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EP2501662A1 - Procédé de production d'additifs pour sols destinés à améliorer la capacité d'échange cationique, l'aptitude à la rétention d'éléments nutritifs et d'eau des sols - Google Patents

Procédé de production d'additifs pour sols destinés à améliorer la capacité d'échange cationique, l'aptitude à la rétention d'éléments nutritifs et d'eau des sols

Info

Publication number
EP2501662A1
EP2501662A1 EP10778878A EP10778878A EP2501662A1 EP 2501662 A1 EP2501662 A1 EP 2501662A1 EP 10778878 A EP10778878 A EP 10778878A EP 10778878 A EP10778878 A EP 10778878A EP 2501662 A1 EP2501662 A1 EP 2501662A1
Authority
EP
European Patent Office
Prior art keywords
biomass
soil
sludge
reaction
hydrothermal
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.)
Withdrawn
Application number
EP10778878A
Other languages
German (de)
English (en)
Inventor
Marc Buttmann
Jürgen Fillbach
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.)
anthea associates Filmgesellschaft mbH
Original Assignee
anthea associates Filmgesellschaft mbH
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
Priority claimed from DE102009053867A external-priority patent/DE102009053867A1/de
Priority claimed from DE102010006263A external-priority patent/DE102010006263A1/de
Priority claimed from DE201010013050 external-priority patent/DE102010013050A1/de
Priority claimed from DE102010020712A external-priority patent/DE102010020712A1/de
Application filed by anthea associates Filmgesellschaft mbH filed Critical anthea associates Filmgesellschaft mbH
Publication of EP2501662A1 publication Critical patent/EP2501662A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00—Other organic fertilisers
    • C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/40—Treatment of liquids or slurries
    • 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
    • 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
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Definitions

  • the invention relates to a process for the preparation of additives for
  • hydrothermal carbonation is treated. Furthermore, the invention relates to an apparatus for carrying out the method.
  • EP0168556A2 uses as raw material for the fermentation a sand-carbon clay part such as foundry sand. This is characterized by its content of coal and its porous structure, which has an advantageous effect on the fermentation conditions.
  • the disadvantage here is that the availability of suitable sand-carbon clay parts is limited and thus the process, especially in a worldwide use, given further
  • WO2009 / 021528 also mentions hydrothermal carbonization as a process for producing pyrogenic carbon.
  • the disadvantage of using this carbon is the amount of volatile carbon present in
  • Carbonization is a significant growth inhibition.
  • WO2009 / 021528A1 points to the positive climate effect of the invention.
  • the object of the invention is to improve the process for producing a soil additive in such a way that as a precursor of the fermentation process a
  • Carbonous substance is produced, which does not have to be crushed or sieved and is easily miscible with biomass.
  • the process aims to reduce heavy metals and toxic substances in the soil additive.
  • carbon from hydrothermal carbonation this should be pretreated in a suitable manner that by the proportion of volatile carbons no
  • coal is produced in the form of a liquid and / or flowable coal slurry of small particle size, which can be easily mixed with the processed biomass, which also has a high water content, and then fed to the fermentation;
  • coal sludge is produced by hydrothermal carbonization (HTC) of biomass in such a way that it has small particle size.
  • HTC hydrothermal carbonization
  • coal sludge is produced by hydrothermal carbonization (HTC) of biomass in such a way that hydrocolloid structures are broken by disintegration at temperatures between 180 ° C and 240 ° C and pH values in the acidic range and the coal sludge is easily flowable and easily miscible ;
  • HTC hydrothermal carbonization
  • Carbonation is supplied and the resulting reaction mixture of finished carbonated biomass shares and not yet carbonated
  • Reaction water is carried out by precipitation reaction or ultrafiltration
  • Soil additive is determined and registered by appropriate means and thus the total amount of soil applied via the soil additive in the soil
  • the hydrothermal carbonization of sewage sludge takes place in a pressure reactor at temperatures between 180 ° C and 240 ° C and pressures of over 16 bar.
  • a pH of pH 4 By setting a pH of pH 4 to the beginning of the reaction, a
  • the organic components of the sewage sludge are broken up by the carbonization to particle sizes smaller than 0.2 mm.
  • the calorific value of coal produced is between 11,000 J / g and 24,000 J / g for sewage sludge, depending on the use of digested sewage sludge or biologically active sewage sludge.
  • the mineral content of coal is between 20% and 60%, depending on the sewage sludge treated.
  • green waste can also be carbonated.
  • the coal produced contains only a mineral content of less than 5%.
  • the calorific values are between 23,000J / g and 30,000J / g.
  • an agitator is used during the reaction, which also aids in the homogenization of the coal slurry.
  • the particles of coal sludge have a maximum size of 0.4mm after 4 hours.
  • the production of the carbon substance is done under aqueous conditions, which is maintained until mixed with the biomass also hydrous.
  • the coal sludge can be used directly as a soil additive due to its good miscibility, its good flowability and its small particle size either with or without addition of other organic biomass or is fed to a fermentation.
  • the reaction mixture of ready carbonated biomass fractions and not yet finished carbonated biomass fractions in a continuous hydrothermal carbonation reactor may be used as a bottom feed without an additional mixing step or may be fed to a subsequent fermentation.
  • the nutrients such as phosphorus
  • the waste heat generated during hydrothermal carbonation can be used to set a suitable temperature level during fermentation.
  • sewage sludge is passed from a feed tank into a reactor for hydrothermal carbonization.
  • This reactor can be both cyclically filled and emptied or fed continuously with sewage sludge and the reaction mixture can be removed.
  • the product is fed to a subsequent fermentation 3.
  • part of the sewage sludge is added to the carbonated sewage sludge in a mixing device 4 untreated.
  • the resulting mixture is then fermented 5 and analyzed for carbon content before being applied to the soils 6 and weighed 7.
  • green waste 8 is added in a mixer to the coal slurry from the HTC reactor.
  • the mixture is without
  • sewage sludge and green waste are carbonized in the HTC reactor.
  • an agitator 10 is used during carbonation. Subsequently, the carbonated mixture is analyzed, weighed and discharged to the soil.
  • FIG. 5 shows the separation of pollutants such as heavy metals from the process.
  • the reaction water of the HTC reactor 11 enriched with the pollutants is fed to a container 12 in which precipitating agent 13 is added.
  • the failed, pollutant-rich sludge 14 is disposed of and the remaining residual water 15 is discharged to the soil.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

L'invention concerne un procédé de production d'additifs pour améliorer la fertilité de sols, selon lequel de la biomasse est traitée par carbonisation hydrothermale. L'invention porte également sur un dispositif permettant de réaliser ce procédé.
EP10778878A 2009-11-20 2010-11-12 Procédé de production d'additifs pour sols destinés à améliorer la capacité d'échange cationique, l'aptitude à la rétention d'éléments nutritifs et d'eau des sols Withdrawn EP2501662A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102009053867A DE102009053867A1 (de) 2009-11-20 2009-11-20 Verfahren zur Herstellung von Bodenzusatzstoffen zur Verbesserung der Kationenaustauschkapazität, der Nährstoff- und der Wasserhaltefähigkeit von Böden
DE102010006263A DE102010006263A1 (de) 2010-01-28 2010-01-28 Verfahren zur thermischen Verwertung von durch hydrothermale Karbonisierung hergestellte Brennstoffen, insbesondere Kohlestaub
DE201010013050 DE102010013050A1 (de) 2010-03-27 2010-03-27 Additiv zur Verbesserung der Hydrothermalen Karbonisierung von Biomasse
DE102010020712A DE102010020712A1 (de) 2010-05-17 2010-05-17 Verfahren zur Erwärmung und Trocknung der Stoffströme bei der Hydrothermalen Karbonisierung
PCT/EP2010/006905 WO2011060904A1 (fr) 2009-11-20 2010-11-12 Procédé de production d'additifs pour sols destinés à améliorer la capacité d'échange cationique, l'aptitude à la rétention d'éléments nutritifs et d'eau des sols

Publications (1)

Publication Number Publication Date
EP2501662A1 true EP2501662A1 (fr) 2012-09-26

Family

ID=44059215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10778878A Withdrawn EP2501662A1 (fr) 2009-11-20 2010-11-12 Procédé de production d'additifs pour sols destinés à améliorer la capacité d'échange cationique, l'aptitude à la rétention d'éléments nutritifs et d'eau des sols

Country Status (3)

Country Link
EP (1) EP2501662A1 (fr)
MA (1) MA33759B1 (fr)
WO (1) WO2011060904A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019659A1 (de) * 2012-10-08 2014-04-10 Terranova Energy Gmbh Verfahren zur Herstellung von Düngemittel
DE102015016194A1 (de) * 2015-12-15 2017-06-22 Terranova Energy Gmbh Verfahren zur Faulung und hydrothermalen Karbonisierung von Klärschlamm
EP3348539B1 (fr) * 2017-01-11 2022-04-20 Ingo Bode Procede de fabrication d'un engrais carboné organique
CN110745974B (zh) * 2019-11-01 2022-03-22 湖南三五二环保科技有限公司 一种餐厨垃圾无害化处理方法
CN114920608B (zh) * 2022-05-18 2023-06-02 同济大学 一种利用污泥稳定化产物改良碱性土壤并强化碳捕集的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1152349A (fr) * 1982-01-04 1983-08-23 Cyril T. Jones Produit commercial polyvalent a base de charbon
EP2188230B2 (fr) * 2007-08-10 2020-11-18 Palaterra Betriebs-und Beteiligungsgesellschaft mbH Procédé de production de sols ou de substrats pédologiques riches en humus et en nutriments et retenant l'eau pour des systèmes durables d'aménagement foncier et urbain
EP2130893A3 (fr) * 2008-06-05 2012-05-09 TerraNova Energy GmbH Procédé de fabrication de charbon, notamment de boue de charbon
MX2010013712A (es) * 2008-06-13 2011-02-24 Joachim Boettcher Instalacion ecotecnica y metodo para produccion de sustrato de cultivo, de materiales para tratamiento de suelo, y de fertilzantes organicos teniendo propiedades de terra preta antropogenica.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011060904A1 *

Also Published As

Publication number Publication date
WO2011060904A1 (fr) 2011-05-26
MA33759B1 (fr) 2012-11-01

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