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RU2012128544A - APPLICATION OF THE MEMBRANE SOLID WASTE PROCESSING PROCESS - LIME FOR SODIUM HYDROXIDE - Google Patents

APPLICATION OF THE MEMBRANE SOLID WASTE PROCESSING PROCESS - LIME FOR SODIUM HYDROXIDE Download PDF

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RU2012128544A
RU2012128544A RU2012128544/05A RU2012128544A RU2012128544A RU 2012128544 A RU2012128544 A RU 2012128544A RU 2012128544/05 A RU2012128544/05 A RU 2012128544/05A RU 2012128544 A RU2012128544 A RU 2012128544A RU 2012128544 A RU2012128544 A RU 2012128544A
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solution
sodium carbonate
calcium hydroxide
acidic
concentration
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RU2012128544/05A
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Russian (ru)
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RU2538843C2 (en
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Мохаммед ОЛФИ
Тарек Р. ФАРХАТ
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Мохаммед ОЛФИ
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10—Obtaining alkali metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/07—Preparation from the hydroxides
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treating Waste Gases (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

1. Способ получения разбавленного раствора каустической соды из твердых отходов, гидроксида кальция и хлорида натрия посредством ионообменного процесса, в котором осуществляют реакцию соленой воды или кислой соленой воды с диоксидом углерода (CO) и гидроксидом кальция в комплексной мембранной системе с получением карбоната натрия, затем полученный карбонат натрия подвергают реакции с гидроксидом кальция с получением гидроксида натрия, в котором для проведения реакции между карбонатом натрия и гидроксидом кальция используют энергию от сжигания твердых отходов.2. Способ по п.1, в котором раствор карбоната натрия концентрируют до 6-7% посредством многократного обратного осмоса и барботирования кислого CO, и полученный концентрированный раствор обрабатывают с помощью нагревания с получением твердого карбоната натрия.3. Способ по п.1, в котором раствор карбоната натрия концентрируют до 6-7% посредством многократного обратного осмоса и барботирования кислого СO, и полученный концентрированный раствор карбоната натрия подвергают реакции с гидроксидом кальция с получением 6-7% раствора гидроксида натрия NaOH.4. Способ по п.1, в котором указанный кислый соленый раствор получают путем подкисления соленой воды кислым отходящим газом, содержащим HCl или SO.5. Способ по п.1, в котором указанный раствор карбоната натрия превращают в раствор с концентрацией 50% или в твердый NaOH.6. Способ по п.1, в котором соленая вода представляет собой морскую воду.7. Способ по п.1, в котором указанный раствор гидроксида кальция имеет концентрацию 0,5 г/л.8. Способ по п.1, в котором исходная концентрация выходящей каустической соды составляет 1000 м.д. или вы1. A method of obtaining a diluted solution of caustic soda from solid waste, calcium hydroxide and sodium chloride by means of an ion exchange process, in which salt water or acidic salt water is reacted with carbon dioxide (CO) and calcium hydroxide in a complex membrane system to obtain sodium carbonate, then the obtained sodium carbonate is reacted with calcium hydroxide to obtain sodium hydroxide, in which energy from the incineration of solid waste is used to carry out the reaction between sodium carbonate and calcium hydroxide. The process according to claim 1, wherein the sodium carbonate solution is concentrated to 6-7% by repeated reverse osmosis and acidic CO bubbling, and the resulting concentrated solution is treated by heating to obtain solid sodium carbonate. The method according to claim 1, in which the sodium carbonate solution is concentrated to 6-7% by means of multiple reverse osmosis and bubbling of acidic CO, and the resulting concentrated sodium carbonate solution is reacted with calcium hydroxide to obtain a 6-7% sodium hydroxide NaOH solution. The method of claim 1, wherein said acidic brine solution is obtained by acidifying the salt water with an acidic off-gas containing HCl or SO. The method of claim 1, wherein said sodium carbonate solution is converted to a 50% solution or solid NaOH. The method of claim 1, wherein the salt water is seawater. The method of claim 1, wherein said calcium hydroxide solution has a concentration of 0.5 g / L. The method according to claim 1, wherein the initial concentration of the effluent caustic soda is 1000 ppm. or you

Claims (13)

1. Способ получения разбавленного раствора каустической соды из твердых отходов, гидроксида кальция и хлорида натрия посредством ионообменного процесса, в котором осуществляют реакцию соленой воды или кислой соленой воды с диоксидом углерода (CO2) и гидроксидом кальция в комплексной мембранной системе с получением карбоната натрия, затем полученный карбонат натрия подвергают реакции с гидроксидом кальция с получением гидроксида натрия, в котором для проведения реакции между карбонатом натрия и гидроксидом кальция используют энергию от сжигания твердых отходов.1. A method of obtaining a dilute solution of caustic soda from solid waste, calcium hydroxide and sodium chloride by means of an ion exchange process in which salt water or acidic salt water are reacted with carbon dioxide (CO 2 ) and calcium hydroxide in a complex membrane system to produce sodium carbonate, then, the resulting sodium carbonate is reacted with calcium hydroxide to produce sodium hydroxide, in which the energy o t solid waste incineration. 2. Способ по п.1, в котором раствор карбоната натрия концентрируют до 6-7% посредством многократного обратного осмоса и барботирования кислого CO2, и полученный концентрированный раствор обрабатывают с помощью нагревания с получением твердого карбоната натрия.2. The method according to claim 1, in which the sodium carbonate solution is concentrated to 6-7% by repeated reverse osmosis and bubbling acidic CO 2 , and the resulting concentrated solution is treated by heating to obtain solid sodium carbonate. 3. Способ по п.1, в котором раствор карбоната натрия концентрируют до 6-7% посредством многократного обратного осмоса и барботирования кислого СO2, и полученный концентрированный раствор карбоната натрия подвергают реакции с гидроксидом кальция с получением 6-7% раствора гидроксида натрия NaOH.3. The method according to claim 1, in which the sodium carbonate solution is concentrated to 6-7% by repeated reverse osmosis and bubbling acidic CO 2 , and the resulting concentrated sodium carbonate solution is reacted with calcium hydroxide to obtain a 6-7% sodium hydroxide solution NaOH . 4. Способ по п.1, в котором указанный кислый соленый раствор получают путем подкисления соленой воды кислым отходящим газом, содержащим HCl или SO2.4. The method according to claim 1, wherein said acidic saline solution is obtained by acidifying salt water with an acidic exhaust gas containing HCl or SO 2 . 5. Способ по п.1, в котором указанный раствор карбоната натрия превращают в раствор с концентрацией 50% или в твердый NaOH.5. The method according to claim 1, wherein said sodium carbonate solution is converted into a solution with a concentration of 50% or into solid NaOH. 6. Способ по п.1, в котором соленая вода представляет собой морскую воду.6. The method according to claim 1, in which salt water is sea water. 7. Способ по п.1, в котором указанный раствор гидроксида кальция имеет концентрацию 0,5 г/л.7. The method according to claim 1, wherein said calcium hydroxide solution has a concentration of 0.5 g / L. 8. Способ по п.1, в котором исходная концентрация выходящей каустической соды составляет 1000 м.д. или выше.8. The method according to claim 1, in which the initial concentration of the output caustic soda is 1000 ppm or higher. 9. Способ по п.1, в котором указанный раствор карбоната натрия имеет концентрацию приблизительно 700 м.д., каустическую соду получают с концентрацией приблизительно 300 м.д. NaOH, указанный раствор карбоната натрия концентрируют до концентрации приблизительно 2400 м.д., исходная концентрация выходящей каустической соды составляет приблизительно 1000 м.д.9. The method according to claim 1, wherein said sodium carbonate solution has a concentration of approximately 700 ppm, caustic soda is obtained with a concentration of approximately 300 ppm. NaOH, said sodium carbonate solution is concentrated to a concentration of approximately 2400 ppm, the initial concentration of the caustic soda is approximately 1000 ppm. 10. Способ по п.1, в котором концентрацию каустической соды поддерживают ниже 300 м.д. при повышении концентрации вводимого карбоната натрия.10. The method according to claim 1, in which the concentration of caustic soda is maintained below 300 ppm. with an increase in the concentration of sodium carbonate introduced. 11. Установка для осуществления способа по любому из пп.1-7, включающая элементы (i)-(iv):11. Installation for implementing the method according to any one of claims 1 to 7, including elements (i) - (iv): (i) барботер, обеспечивающий барботаж кислых отходящих газов под давлением для растворения кислого газа в соленой воде с образованием кислого раствора, который используется в ионообменной системе (и);(i) a bubbler providing pressure bubbling of acidic exhaust gases to dissolve the acid gas in salt water to form an acid solution that is used in the ion exchange system (s); (ii) ионообменную систему, в которую вводят раствор гидроксида кальция для получения каустической соды (NaOH);(ii) an ion exchange system into which a calcium hydroxide solution is introduced to produce caustic soda (NaOH); (iii) барботажный реактор для барботирования газообразного диоксида углерода через каустическую соду NaOH с образованием разбавленного раствора карбоната натрия;(iii) a bubbler reactor for sparging carbon dioxide gas through caustic soda NaOH to form a dilute sodium carbonate solution; (iv) установку обратного осмоса, объединенную с расположенными каскадом реакторами диоксид углерода-каустическая сода.(iv) a reverse osmosis unit combined with cascaded carbon dioxide-caustic soda reactors. 12. Установка по п.11, где барботажный реактор (iii) дополнительно содержит систему фильтрации для удаления частиц примесей перед введением указанного раствора в установку обратного осмоса (iv).12. The apparatus of claim 11, wherein the bubbler reactor (iii) further comprises a filtration system for removing impurity particles before introducing said solution into the reverse osmosis unit (iv). 13. Установка по п.11 или 12, где барботажный реактор (iii) дополнительно содержит средство для контроля pH реакционного раствора. 13. The apparatus of claim 11 or 12, wherein the bubbler reactor (iii) further comprises means for controlling the pH of the reaction solution.
RU2012128544/05A 2009-12-09 2009-12-09 Using solid waste-quicklime membrane treatment process to produce sodium hydroxide RU2538843C2 (en)

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PCT/IB2009/007713 WO2011070384A1 (en) 2009-12-09 2009-12-09 Using the solid waste-quicklime membrane swqm process for the production of sodium hydroxide

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US (1) US20130272934A1 (en)
EP (1) EP2509919A1 (en)
KR (1) KR20120105504A (en)
AP (1) AP2012006365A0 (en)
AU (1) AU2009356416B2 (en)
RU (1) RU2538843C2 (en)
WO (1) WO2011070384A1 (en)

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US20130323143A1 (en) * 2010-12-08 2013-12-05 Mohammed Olfi Using alkaline fly ash and similar byproducts in an ion-exchange/reverse osmosis process for the production of sodium carbonate

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FR2729133A1 (en) * 1995-01-11 1996-07-12 Solvay PROCESS FOR COPRODUCTION OF CALCIUM CARBONATE AND SODIUM HYDROXIDE
AUPN105395A0 (en) * 1995-02-10 1995-03-09 Penrice Pty Ltd Production of alkali metal bicarbonates and carbonates
RU2274604C2 (en) * 2004-07-19 2006-04-20 Общество с ограниченной ответственностью Научно-технический центр "Химмодуль-XXI" (ООО НТЦ "Химмодуль-XXI") Sodium hydroxide production process
WO2009039655A1 (en) * 2007-09-26 2009-04-02 Bioteq Environmental Technologies Inc. Selective sulphate removal by exclusive anion exchange from hard water waste streams
EP2373583A1 (en) * 2008-07-23 2011-10-12 Fze Engsl A combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals
RU91530U1 (en) * 2009-09-23 2010-02-20 Закрытое акционерное общество Научно-производственное предприятие "Машпром" (ЗАО НПП "Машпром") PLANT FOR PRODUCING CAUSTIC SODA FROM ELECTROLYTIC ALKALI

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AU2009356416B2 (en) 2014-11-20
RU2538843C2 (en) 2015-01-10
WO2011070384A1 (en) 2011-06-16
AP2012006365A0 (en) 2012-08-31
US20130272934A1 (en) 2013-10-17
AU2009356416A1 (en) 2012-07-26
KR20120105504A (en) 2012-09-25

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