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WO2009003369A1 - Procédé pour traiter une liqueur de fermentation épuisée issue de la production de lysine - Google Patents

Procédé pour traiter une liqueur de fermentation épuisée issue de la production de lysine Download PDF

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Publication number
WO2009003369A1
WO2009003369A1 PCT/CN2008/001253 CN2008001253W WO2009003369A1 WO 2009003369 A1 WO2009003369 A1 WO 2009003369A1 CN 2008001253 W CN2008001253 W CN 2008001253W WO 2009003369 A1 WO2009003369 A1 WO 2009003369A1
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WIPO (PCT)
Prior art keywords
waste liquid
compound fertilizer
lysine
concentration
amino acids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2008/001253
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English (en)
Chinese (zh)
Inventor
Dehui Wang
Dongshu Jia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGCHUN DACHENG INDUSTRIAL GROUP Co Ltd
Original Assignee
CHANGCHUN DACHENG INDUSTRIAL GROUP Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGCHUN DACHENG INDUSTRIAL GROUP Co Ltd filed Critical CHANGCHUN DACHENG INDUSTRIAL GROUP Co Ltd
Publication of WO2009003369A1 publication Critical patent/WO2009003369A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
    • C05F5/006—Waste from chemical processing of material, e.g. diestillation, roasting, cooking
    • C05F5/008—Waste from biochemical processing of material, e.g. fermentation, breweries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/18—Evaporating by spraying to obtain dry solids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/06—Pressure conditions
    • C02F2301/063—Underpressure, vacuum
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

Definitions

  • the invention relates to the technical field of treatment and/or reuse of industrial and agricultural production emissions. Specifically, the invention relates to amino acid fermentation, in particular to a treatment and comprehensive utilization method of fermentation waste liquid in the lysine fermentation industry, and also provides a method. A method for preparing an amino acid compound fertilizer by using a lysine fermentation waste liquid, and an amino acid compound fertilizer prepared by the method. Background technique
  • the lysine fermentation waste liquid includes a waste liquid obtained by removing the lysine fermentation liquid and extracting lysine, which is also called EF liquid, and is a high-concentration waste water. It features high COD CT , BOD 5 , SOD 2 - and NH 3 -N and low pH.
  • EF liquid a waste liquid obtained by removing the lysine fermentation liquid and extracting lysine
  • It features high COD CT , BOD 5 , SOD 2 - and NH 3 -N and low pH.
  • anaerobic treatment cannot be performed, and aerobic treatment is difficult to meet the treatment standard.
  • the cost of physical and chemical methods is too high for companies to bear. There has been no good solution at home and abroad.
  • Li Yuezhong, Liu Kanghuai ["Experimental study on high-load aerobic biological treatment of monosodium glutamate wastewater", Journal of Guilin Institute of Technology 2001, 21 (1): 77 ⁇ 80] was invented in the 1980s by the Institute of Phase Transfer of the University of Engineering, Clausthal, Germany.
  • the HCR process High Performance Compact Reactor
  • the HCR process has a certain effect on the treatment of glutamic acid fermentation waste liquid, but it is not ideal for the treatment of lysine fermentation waste liquid.
  • the HCR process consumes a lot of power and there is no profit.
  • the development of organic agriculture has expanded the demand for highly efficient and pollution-free organic fertilizers.
  • the present inventors conducted a large number of experiments on this subject, and by spraying and granulating the fermentation waste liquid, the granular compound fertilizer having a lysine content of 7.0% or more was successfully produced, and the main component thereof is a plurality of amino acids. Sulfate, the total amino acid content is above 40%. Thereby, the pollutants in the wastewater are reduced, and the obtained wastewater can be treated by conventional biochemical treatment to achieve the wastewater treatment standard; at the same time, the fermentation waste liquid is processed to form a composite with higher economic value. Fat, real The present invention has been accomplished by the goal of comprehensively utilizing resources while protecting the environment, which is conducive to the continued development of the lysine industry. Summary of the invention
  • the invention provides a process for treating lysine fermentation waste liquid, and also provides a method for preparing amino acid compound fertilizer by using lysine fermentation waste liquid and the amino acid compound fertilizer prepared by the method, and realizes protection At the same time of the environment, the goal of comprehensive utilization of lysine fermentation waste liquid is also achieved. It is an object of the present invention to provide a method for treating a lysine fermentation waste liquid, the method comprising:
  • Steps of the method of the present invention (1) While preparing the amino acid compound fertilizer, the by-product ammonium sulfate crystal is also obtained, and the product can be used as a raw material for the lysine fermentation process for the lysine fermentation vehicle.
  • the lysine fermentation waste liquid is not particularly limited in the above method, and there is no particular requirement for the lysine concentration therein.
  • the lysine fermentation waste liquid is a fermentation waste liquid for producing lysine by a fermentation method
  • the fermentation waste liquid is a waste liquid obtained by removing a lysine fermentation liquid and extracting lysine
  • the EF solution is a high-concentration wastewater, and sometimes the lysine concentration thereof can reach 7% by weight or more.
  • the conventional wastewater, exhaust gas treatment methods include, but are not limited to, methods such as dust washing, electrostatic treatment, and/or conventional organic wastewater treatment.
  • the first step of the lysine fermentation waste liquid treatment method of the present invention is to prepare a granular compound fertilizer containing a plurality of amino acids by using a lysine fermentation waste liquid, and therefore, another object of the present invention is to provide a utilization.
  • a method for preparing an amino acid compound fertilizer by using lysine fermentation waste liquid is to provide a utilization.
  • the method for preparing an amino acid compound fertilizer by using the lysine fermentation waste liquid comprises the steps of: concentrating lysine fermentation waste liquid by concentrating under reduced pressure, crystallization of ammonium sulfate, centrifugal separation and spray granulation to obtain granules and containing more A compound fertilizer of amino acids.
  • the compound fertilizer obtained by the method of the invention contains a plurality of amino acids, and the amino acid may include more than ten kinds of amino acids, among which mainly lysine, alanine, cystine, glutamic acid, proline and glycine, etc.
  • the ingredients are sulfates of various amino acids.
  • the total amount of various amino acids in the compound fertilizer is 40% by weight or more, preferably 44% by weight or more; wherein the weight percentage of lysine is 7.0%.
  • the above is preferably 7.3% or more.
  • the particle diameter of the compound fertilizer can be adjusted as needed, usually about 1 to 4 mm.
  • the method for preparing an amino acid compound fertilizer by using the lysine fermentation waste liquid of the present invention comprises the following steps:
  • the vacuum concentration of the lysine fermentation waste liquid can be carried out by a conventional vacuum concentration technique, preferably using a multi-effect concentration method, more preferably using a four-effect concentration, preferably the four-effect concentration.
  • the conditions are as follows: one effect: 0.04MPa, 99-102 °C; two effects: 0.06 MPa, 88-92 °C ; three effects: 0.08MPa, 75-78 °C; four effects: 0.9MPa, 60 ⁇ 62° C.
  • the concentration of the concentrated solution obtained by subjecting the lysine fermentation waste liquid to the above concentration is greater than 20 Be°, preferably about 23 to 30 Be° ; the excessive moisture content in the concentrated liquid may affect the smooth progress of the spray granulation process, and thus
  • the solid content should be 48% by weight or more, preferably 50% by weight or more, more preferably 55% by weight or more.
  • the crystallization step of the lysine fermentation waste liquid concentrate is carried out by natural crystallization, preferably at 60 to 80 ° C, more preferably at 60 to 70 ° C, and is naturally precipitated (NH 4 ) 2 SO 4 crystals.
  • the decompression concentration step also produces condensed water
  • the COD CT of the condensed water is about 1000 mg / L ("CODcr" is the COD value measured by the potassium dichromate method)
  • the NH 3 -N is about 80 mg / L .
  • the spray granulation process can be carried out by using conventional granulation technology and equipment, for example, by a rotary spray granulator, and the rotation speed of the granulator is preferably about 4 to 5 rpm. It is more preferable to use a rotary spray granulator which internally sets a copy board.
  • the spray granulation process conditions are as follows: the waste liquid generated by separating the ammonium sulfate crystal is sprayed into a mist by using compressed air of 0.3 to 0.5 MPa, and the mash is instantaneously dried at a high temperature of 300 to 500 ° C.
  • a liquid film forms a granular compound fertilizer containing a plurality of amino acids having a diameter of l to 4 mm.
  • the spray granulation process uses a compressed air of 0.3 to 0.5 MPa to spray the waste liquid generated by the above separation of ammonium sulfate crystals into a mist, and adheres to small particles of a tomb formed in the granulator.
  • the hot air in the hot blast stove is mixed in a granulator, and the liquid film is instantaneously dried at a high temperature of 300 500 ° C to form a granular compound fertilizer containing a plurality of amino acids having a diameter of l to 4 mm.
  • the unqualified product can be returned to the granulator for regranulation after being crushed.
  • the present invention provides a method for preparing an amino acid compound fertilizer by using a lysine fermentation waste liquid, the method comprising the following steps:
  • the lysine fermentation waste liquid is concentrated under reduced pressure by four-effect concentration, and the concentration of the waste liquid after evaporation and concentration is about 23 to 30 Be°, wherein the solid content is more than 55% by weight;
  • the concentrated solution of the lysine fermentation waste liquid obtained in the previous step is naturally crystallized at 60 to 70 ° C to precipitate (NH 4 ) 2 SO 4 crystal; then centrifuged to obtain (NH 4 ) 2 S0 4 crystal and waste liquid. ;
  • the waste liquid obtained by separating the ammonium sulfate is sprayed and granulated, and the waste liquid is sprayed into a mist by using compressed air of 0.3 to 0.5 MPa, and is dried by a liquid film of 300 to 50 (TC at a high temperature).
  • a granular compound fertilizer containing a variety of amino acids is sprayed and granulated, and the waste liquid is sprayed into a mist by using compressed air of 0.3 to 0.5 MPa, and is dried by a liquid film of 300 to 50 (TC at a high temperature).
  • the conditions of the four-effect concentration are as follows: one effect: 0.04 MPa, 99-102 ° C; two effects: 0.06 MPa, 88-92 ° C; three effects: 0.08 MPa, 75-78 ° C ⁇ 'Four effects: 0.9MPa, 60-62 °C.
  • the ammonium sulfate crystal obtained in the step 2 can be used as a raw material for lysine fermentation for the lysine fermentation workshop.
  • the compound fertilizer obtained by the above method of the present invention contains a plurality of amino acids having a particle diameter of about 1 to 4 mm, and its main component is a sulfate of various amino acids.
  • the compound fertilizer There are more than a dozen amino acids included in the compound fertilizer, among which lysine, alanine, cystine, glutamic acid, proline and glycine are mainly included. Based on the total weight of the compound fertilizer (dry basis), the total amount of various amino acids in the compound fertilizer is 40% by weight or more, preferably 44% by weight or more; wherein the weight percentage of lysine is 7.0%. The above is preferably 7.3% or more.
  • the method for treating lysine fermentation waste liquid as described above in the present invention comprises the following steps: (1) using a lysine fermentation waste liquid as a raw material, and preparing a granular compound fertilizer containing a plurality of amino acids and a by-product ammonium sulfate crystal by the method described above;
  • the wastewater and waste gas obtained after the production of the above composite fertilizer are treated by a conventional treatment method.
  • the second step of the treatment process of the lysine fermentation waste liquid of the present invention comprises treating the waste gas and waste water produced after the production of the compound fertilizer.
  • the treatment may be carried out by a conventional method including, but not limited to, methods such as dust washing, electrostatic treatment, and/or conventional organic wastewater treatment.
  • the COD e r of the condensed water produced by the vacuum concentration step is about 1000 mg/L ("CODcr" is a COD value measured by the potassium dichromate method), NH 3 -N It is about 80mg/L.
  • the condensed water can be treated by conventional methods, preferably together with other wastewater produced in the process of the invention, into an aerobic treatment system for treatment.
  • the wastewater and waste gas treatment steps include:
  • Dust washing The large amount of exhaust gas generated in the spray granulation process is sent to the washing tower, and the water or lysine fermentation waste liquid is subjected to dust washing, preferably by using the raw material of the method of the present invention, that is, lysine fermentation waste liquid for dust removal. Washing; and/or
  • Electrostatic treatment The washed exhaust gas is passed through a high-voltage electric field of a plate line with a pitch of 200 to 300 mm at the same pole, and electrostatic treatment is performed to obtain clean gas and organic waste water;
  • Organic wastewater treatment The organic wastewater enriched by the electrostatic treatment is subjected to aerobic biochemical treatment together with the condensed water produced by the vacuum concentration step to obtain clean water that meets the biochemical treatment standard.
  • the lysine fermentation waste liquid treatment method of the present invention comprises the steps of concentrating, crystallizing, centrifuging, spray granulating, dusting washing, electrostatic treatment and organic wastewater treatment of lysine fermentation waste liquid.
  • the method for treating the lysine fermentation waste liquid of the present invention comprises the following steps:
  • Dust washing send a large amount of waste gas generated by the spray granulation process to the washing tower, with water or Lysine fermentation waste liquid for dust removal and washing;
  • Electrostatic treatment The washed exhaust gas is passed through a high-voltage electric field of a plate line with a pitch of 200 to 300 mm at the same pole, and electrostatically treated to obtain clean gas and organic wastewater;
  • Organic wastewater treatment The organic wastewater enriched by the electrostatic treatment is subjected to aerobic biochemical treatment together with the effluent water produced by the above-mentioned various processes, including the condensed water produced by the vacuum concentration step, to obtain clean water which meets the biochemical treatment standard.
  • the method for treating lysine fermentation waste liquid of the present invention comprises the following steps -
  • the lysine fermentation waste liquid is concentrated under reduced pressure by four-concentration concentration, and the concentration of the waste liquid after evaporation and concentration is about 23 to 30 Be°, wherein the solid content is more than 50% by weight, and condensed water is generated at the same time;
  • the concentrated lysine fermentation waste liquid is naturally crystallized at 60 to 80 ° C to precipitate (NH 4 ) 2 S0 4 crystal; then centrifuged to obtain (NH 4 ) 2 SO 4 crystal and waste liquid;
  • the waste liquid after separating the ammonium sulfate is sprayed and granulated, and the waste liquid is sprayed into a mist by using compressed air of 0.3 to 0.5 MPa, and the liquid film is instantaneously dried at a temperature of 300 to 500 Torr to form a plurality of amino acids.
  • Granular compound fertilizer
  • the large amount of exhaust gas generated in the spray granulation step is introduced into the washing tower, washed with lysine fermentation waste liquid, and the large particulate matter is removed, and heat exchange is performed at the same time to reduce the temperature of the exhaust gas;
  • the washed exhaust gas is treated by a conventional electrostatic treatment device, for example, a high-voltage electric field of a plate line with a pitch of 200 to 300 mm is applied to perform electrostatic treatment to obtain a clean gas and an organic waste water;
  • a conventional electrostatic treatment device for example, a high-voltage electric field of a plate line with a pitch of 200 to 300 mm is applied to perform electrostatic treatment to obtain a clean gas and an organic waste water;
  • the wastewater enriched by the electrostatic treatment is combined with the wastewater generated in the above processes, including the condensed water produced by the decompression concentration step, and subjected to aerobic biochemical treatment to obtain clean water in accordance with the biochemical treatment standard.
  • the method for treating lysine fermentation waste liquid of the present invention comprises the following steps:
  • the lysine acid fermentation waste liquid is subjected to four-effect concentration, and the conditions of the four-effect concentration are preferably as follows:
  • the generated condensed water enters the aerobic treatment system for treatment; the condensed water has a temperature of about 1000 mg/L and a N3 ⁇ 4-N of about 80 mg/L;
  • the concentrated EF solution is naturally crystallized at 60-80 ° C, preferably at 60-70 ° C, and precipitates (NH 4 ) 2 SO 4 crystal; then it is centrifuged and separated by a conventional centrifugal separation device.
  • NH 4 ) 2 SO 4 crystal and waste liquid the obtained ammonium sulfate crystal can be used as a raw material for lysine fermentation for the fermentation workshop, and the obtained waste liquid proceeds to the next step;
  • the above-mentioned waste liquid after separating ammonium sulfate was spray-granulated.
  • the compressed air of 0.3 ⁇ 0.5MPa can be sprayed into a mist, adhered to the small particles of the gravel formed in the granulator, and mixed with the hot air in the hot blast furnace in the granulator, using 300 500
  • the liquid film is dried at a high temperature of °C to form a granular compound fertilizer with a diameter of l ⁇ 4 mm, and the main component thereof is a sulfate of various amino acids;
  • the spray granulation step of this step can be carried out using a granulator.
  • a granulator Preferably, it can be carried out by a rotary spray granulator equipped with a copying plate.
  • the rpm of the granulator is preferably about 4 to 5 ⁇ m;
  • the unqualified product portion can be returned to the granulator for regranulation after being crushed;
  • the exhaust gas temperature is preferably washed using the raw material of the present invention, that is, a lysine fermentation waste liquid;
  • the exhaust gas after the washing in the previous step is passed into a high-voltage electric field of a plate line having a pitch of 200 to 300 mm, and is subjected to electrostatic treatment to obtain clean gas and organic wastewater; in the electric field, it is not washed away.
  • the particulate dust and aerosol particles are charged under the action of ionized gas, the different plates move, aggregate into large particles, flow to the sump under gravity, and enter the organic wastewater treatment process; 6.
  • the wastewater enriched by the above electrostatic treatment contains a large amount of organic matter, and is combined with the wastewater generated in the above steps, including the condensed water produced by the vacuum concentration step, and after aerobic biochemical treatment, forms H 2 O and CO 2 . Get clean water that meets biochemical standards.
  • the granulation step of the spray pad described in the method of the present invention can be carried out by a granulator, and the granulator used can be a conventional device which can be used for spray granulation, preferably a rotary spray granulator, particularly preferably used.
  • the rotary paddle granulator with internal copying board for example, the manufacturer is Sanmenxia Chemical Machinery Factory, the type 04250X 14 rotary spray granulator, which is characterized in that three kinds of copying plates are arranged inside the granulator: With the plate, the zigzag plate and the lift plate, with the rotation of the granulator, the plate can lift the material to form a curtain, which is beneficial to granulation and drying.
  • Figure 1 Another object of the present invention is to provide an amino acid compound fertilizer prepared by using the lysine fermentation waste liquid as a raw material and preparing the amino acid compound fertilizer according to the present invention.
  • the amino acid compound fertilizer prepared according to the method of the present invention is a granular compound fertilizer containing a plurality of amino acids, and the particle diameter thereof is about 1-4 mm.
  • the amino acid compound fertilizer contains a plurality of amino acids, and the amino acid includes a dozen amino acids, mainly lysine, alanine, cystine, glutamic acid, proline and glycine;
  • the main component is the sulfate of the various amino acids.
  • the weight percentage of the plurality of amino acids is 40% or more, preferably 44% or more, based on the total weight of the compound fertilizer (dry basis); wherein the weight percentage of lysine is 7.0% or more, preferably 7.3% or more. .
  • the amino acid compound fertilizer of the invention is a multi-purpose, high-efficiency and pollution-free high-quality organic fertilizer, which has high amino acid content and a granular solid state, and is convenient for use and convenient for transportation. Since lysine is an essential nutrient for humans and animals, the amino acid compound fertilizer product of the present invention can also be used as a ruminant feed or feed additive.
  • the invention is an ideal method for treating lysine fermentation waste liquid, and the lysine fermentation waste liquid solves the environmental pollution problem after being treated by the invention, the wastewater treatment can reach the national standard, and at the same time, the economic value is high.
  • the compound fertilizer has obvious economic, environmental and social benefits.
  • the obtained by-product ammonium sulfate crystal can be used as a fermentation raw material for the fermentation plant, the cost of lysine production is also saved.
  • the invention embodies the economic development mode of comprehensive utilization of resource recycling, and conforms to the development law of circular economy. If the lysine producer adopts this treatment method, it will reduce considerable pollutant emissions and create considerable economic benefits, which is conducive to the sustainable development of the lysine industry. It can be understood that, using the common knowledge in the art, the skilled person can easily extend the method for treating lysine fermentation waste liquid of the present invention to the treatment of other amino acid fermentation waste liquid, and can also achieve the purpose of protecting the environment and comprehensive utilization.
  • the technology of the present invention has completed the production scale experiment in Changchun Dacheng Biochemical Technology Co., Ltd.
  • the fermentation waste liquid could not be handled reasonably, forcing the factory to limit production.
  • the fermentation waste liquid is thoroughly treated, the production is guaranteed, and the production scale can be expanded without any hindrance.
  • Fig. 1 is a flow chart showing the treatment and comprehensive utilization of the lysine fermentation liquid waste liquid of the present invention.
  • the bold part shows the process of producing amino acid granule compound fertilizer. detailed description
  • This example treats lysine fermentation waste liquid according to the method of the present invention, and the steps and processes are as shown in FIG.
  • the process for producing the amino acid compound fertilizer is basically carried out according to the process flow shown in the bold part of Figure 1.
  • the specific process is:
  • Concentration of lysine waste liquid The 300m 3 lysine fermentation waste liquid is evaporated by four effects, and the conditions for evaporation of each effect are: one effect: 0.04Mpa, 99-102 °C; two effects: 0.06Mpa, 88 -92 °C ; three effects: 0.08Mpa, 75-78 °C; four effects: 0.9Mpa, 60-62 0 C o
  • the concentrate is 40 m 3 , the concentration is 23 ⁇ 25Be°, solid content
  • condensed water is produced at 260 m 3 , and the condensed water enters an aerobic treatment system for conventional biochemical treatment to obtain clean water that meets biochemical treatment standards.
  • Ammonium sulfate crystal The concentrated lysine fermentation waste liquid is at a temperature of about 65 ⁇ 70 °C. Under the condition, ammonium sulfate is naturally crystallized, and then separated by a conventional centrifugal separation device to obtain 12 tons of ammonium sulfate crystals, the purity of ammonium sulfate is above 90%, and the lysine waste liquid 28 after extracting ammonium sulfate is obtained. m 3 .
  • Shotcrete granulation The waste liquid after extracting the above ammonium sulfate is sprayed and granulated by a rotary spray granulator of model No. 04250X 14 produced by Sanmenxia Chemical Machinery Factory to obtain a compound fertilizer containing various amino acids. 14 tons.
  • the specific conditions of spray granulation are: Spraying 0.4 MPa of compressed air into a mist, and drying it at a high temperature of 350 ° C to form a film, forming a granular compound fertilizer with a diameter of l ⁇ 4 mm, and various amino acids contained therein
  • the weight percentage is shown in the table below:
  • Exhaust gas treatment Spraying granulation and a large amount of waste gas generated in other production processes are sent to the washing tower for dust washing and washing with lysine fermentation waste liquid as washing liquid.
  • the washed exhaust gas is passed through an electrostatic treatment device for electrostatic treatment, and the device has a high-voltage electric field of a plate line with a pitch of 200 to 300 mm.
  • a clean gas is obtained after electrostatic treatment.
  • Wastewater treatment The organic wastewater obtained from the above steps is combined with the condensed water obtained in the evaporation concentration step, and enters the conventional aerobic treatment system for conventional biochemical treatment to obtain clean water that meets the requirements of environmental protection standards. Third, the benefit analysis
  • a factory with an annual output of 300,000 tons of lysine can obtain 30,000 tons of compound fertilizer per year, and the net profit per ton is about 300 yuan. This alone can earn a net profit of about 9 million yuan per year.
  • Ammonium sulfate crystal obtained from lysine fermentation waste liquid is used as a raw material for amino acid fermentation, which can reduce the production cost of amino acid;
  • the lysine production enterprises will gradually develop towards environmentally friendly enterprises; and they can promote the current flourishing organic agriculture to meet people's demand for organic food as much as possible.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'invention concerne un procédé de traitement d'une liqueur de fermentation épuisée issue de la production de lysine, qui comprend les étapes suivantes : concentration sous pression réduite de la liqueur de fermentation épuisée issue de la production de lysine, cristallisation de la liqueur concentrée, séparation des cristaux en utilisant une centrifugation pour obtenir du (NH4)2SO4, et pulvérisation de la suspension épaisse à granuler. Un engrais composite granulaire comprenant de nombreux types d'acides aminés est obtenu. Le procédé comprend également un lavage, un dépoussiérage et un traitement électrostatique du gaz d'échappement issu du procédé de pulvérisation de la suspension épaisse et un traitement biologique aérobie de l'eau de chaque étape.
PCT/CN2008/001253 2007-07-03 2008-07-01 Procédé pour traiter une liqueur de fermentation épuisée issue de la production de lysine Ceased WO2009003369A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007101275891A CN101337729B (zh) 2007-07-03 2007-07-03 赖氨酸发酵废液的处理工艺
CN200710127589.1 2007-07-03

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WO2009003369A1 true WO2009003369A1 (fr) 2009-01-08

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CN (1) CN101337729B (fr)
WO (1) WO2009003369A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390906A (zh) * 2011-08-04 2012-03-28 中粮生物化学（安徽）股份有限公司 一种赖氨酸发酵废水的处理方法和发酵制柠檬酸的方法
CN109971650A (zh) * 2017-12-27 2019-07-05 许传高 一种用于去除喷浆造粒尾气异味的生物制剂
CN109988724A (zh) * 2017-12-31 2019-07-09 许传高 一种氨基酸发酵废液的资源化利用组合工艺
CN111377779A (zh) * 2020-04-15 2020-07-07 宝鸡阜丰生物科技有限公司 一种含有谷氨酸发酵废液的肥料生产方法及系统
CN111733106A (zh) * 2020-07-06 2020-10-02 山东卓苒生物科技有限公司 松鼠葡萄球菌f-e8-1的培养方法及应用
CN113373184A (zh) * 2021-08-02 2021-09-10 齐齐哈尔龙江阜丰生物科技有限公司 一种节能减排的氨基酸发酵、提取工艺

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102060341B (zh) * 2009-11-12 2012-10-31 安琪酵母股份有限公司 酵母废水处理方法及由该方法所获得的饲料添加剂和饲料产品
CN102070360A (zh) * 2009-11-25 2011-05-25 菱花集团有限公司 一种利用谷氨酸发酵废液生产肥料的方法
CN101899483B (zh) * 2010-07-28 2011-07-27 无锡晶海氨基酸有限公司 一种降低l-缬氨酸发酵废液中铵氮含量的方法
CN102334589B (zh) * 2011-08-03 2013-02-13 上海创博生态工程有限公司 一种用芽孢杆菌发酵废液制备发酵饲料的方法
CN103045668A (zh) * 2012-12-21 2013-04-17 菱花集团有限公司 以赖氨酸发酵液代替赖氨酸的谷氨酸发酵培养基
CN104118954B (zh) * 2014-07-25 2016-02-17 贵港市芭田生态有限公司 一种利用复混肥废气处理废水的方法及装置
CN104311337B (zh) * 2014-10-19 2016-05-25 内蒙古阜丰生物科技有限公司 一种利用谷氨酸废水生产液体肥料的方法
CN109867398A (zh) * 2017-12-04 2019-06-11 许传高 一种氨基酸发酵废液的高效处理集成方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069033A (en) * 1974-09-30 1978-01-17 Reggiane Officine Meccaniche Italiane S.P.A. Extraction of fertilizer salts and organic substances of high nutritive value from industrial waste waters
WO1991013835A2 (fr) * 1990-03-16 1991-09-19 Memon B.V. Procedes et dispositif de traitement du fumier
EP0794246A1 (fr) * 1996-03-08 1997-09-10 Gist-Brocades B.V. Procédé pour la récupération de composés de valeur à partir de vinasses de fermentation
JP2004338974A (ja) * 2003-05-13 2004-12-02 Shinkyo Sangyo Kk 液体肥料およびその製造方法
CN1810731A (zh) * 2005-10-24 2006-08-02 山东省轻工业学院 氨基酸发酵废液处理工艺
CN1880241A (zh) * 2005-06-13 2006-12-20 山东西王糖业有限公司 赖氨酸生产中硫酸铵的利用方法
CN1880235A (zh) * 2005-06-13 2006-12-20 山东西王糖业有限公司 赖氨酸生产中污水处理回收利用方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2571749Y (zh) * 2002-09-13 2003-09-10 吕兆军 赖氨酸废水净化装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069033A (en) * 1974-09-30 1978-01-17 Reggiane Officine Meccaniche Italiane S.P.A. Extraction of fertilizer salts and organic substances of high nutritive value from industrial waste waters
WO1991013835A2 (fr) * 1990-03-16 1991-09-19 Memon B.V. Procedes et dispositif de traitement du fumier
EP0794246A1 (fr) * 1996-03-08 1997-09-10 Gist-Brocades B.V. Procédé pour la récupération de composés de valeur à partir de vinasses de fermentation
JP2004338974A (ja) * 2003-05-13 2004-12-02 Shinkyo Sangyo Kk 液体肥料およびその製造方法
CN1880241A (zh) * 2005-06-13 2006-12-20 山东西王糖业有限公司 赖氨酸生产中硫酸铵的利用方法
CN1880235A (zh) * 2005-06-13 2006-12-20 山东西王糖业有限公司 赖氨酸生产中污水处理回收利用方法
CN1810731A (zh) * 2005-10-24 2006-08-02 山东省轻工业学院 氨基酸发酵废液处理工艺

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390906A (zh) * 2011-08-04 2012-03-28 中粮生物化学（安徽）股份有限公司 一种赖氨酸发酵废水的处理方法和发酵制柠檬酸的方法
CN102390906B (zh) * 2011-08-04 2013-01-16 中粮生物化学（安徽）股份有限公司 一种赖氨酸发酵废水的处理方法和发酵制柠檬酸的方法
CN109971650A (zh) * 2017-12-27 2019-07-05 许传高 一种用于去除喷浆造粒尾气异味的生物制剂
CN109988724A (zh) * 2017-12-31 2019-07-09 许传高 一种氨基酸发酵废液的资源化利用组合工艺
CN111377779A (zh) * 2020-04-15 2020-07-07 宝鸡阜丰生物科技有限公司 一种含有谷氨酸发酵废液的肥料生产方法及系统
CN111733106A (zh) * 2020-07-06 2020-10-02 山东卓苒生物科技有限公司 松鼠葡萄球菌f-e8-1的培养方法及应用
CN113373184A (zh) * 2021-08-02 2021-09-10 齐齐哈尔龙江阜丰生物科技有限公司 一种节能减排的氨基酸发酵、提取工艺

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