DE10340307A1 - Biogas and heat production from liquid manure involves separation of the manure into a solid phase biomass and a liquid fraction useful as a fertilizer - Google Patents

Biogas and heat production from liquid manure involves separation of the manure into a solid phase biomass and a liquid fraction useful as a fertilizer Download PDF

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Publication number
DE10340307A1
DE10340307A1 DE10340307A DE10340307A DE10340307A1 DE 10340307 A1 DE10340307 A1 DE 10340307A1 DE 10340307 A DE10340307 A DE 10340307A DE 10340307 A DE10340307 A DE 10340307A DE 10340307 A1 DE10340307 A1 DE 10340307A1
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Prior art keywords
manure
biogas
liquid
fertilizer
heat
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DE10340307A
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German (de)
Inventor
Arno Fudel
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SY DUK GmbH
Syduk GmbH
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SY DUK GmbH
Syduk GmbH
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Priority to DE10340307A priority Critical patent/DE10340307A1/en
Publication of DE10340307A1 publication Critical patent/DE10340307A1/en
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
    • 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
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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

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  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Fertilizers (AREA)

Abstract

Production of a biomass from largely straw-free liquid manure from animal production comprises (1) separation, centrifugation or filtering the manure to give a phase comprising storable solids and residual liquid; and then (2) subjecting the recovered solids to production of heat and biogas.

Description

Die vorliegende Erfindung bezieht sich auf die Herstellung und die Weiterverarbeitung trockensubstanzreicher, cellulosehaltiger Feststoffe in Wärme- und/oder Biogasanlagen.The The present invention relates to the manufacture and further processing dry substance-rich, cellulose-containing solids in heat and / or Biogas plants.

Gülle ist das Kot-Harn-Wassergemisch aus Anlagen der tierischen Produktion, die in der Regel strohlos betrieben wird.Manure is faeces-urine-water mixture from animal production plants, which is usually operated without straw.

Die Gülle wird herkömmlich als Dünger auf Felder verbracht oder in Biogasanlagen zur Ausgasung eingesetzt.The Manure is conventional as a fertilizer spent on fields or used in biogas plants for outgassing.

Die Gülle hat, je nach Herkunft, einen Feststoffanteil zwischen ca. 3 bis 15 %.The Manure has, depending on the origin, a solids content of between about 3 to 15%.

Die Feststoffe sind vor allem zellulosehaltige Faseranteile, die durch den Verdauungsvorgang im Tier kleinstrukturiert, sowie mit Huminsäuren, Aminosäuren, Stickstoff, Phosphor, Kali, Kalk und anderen Inhaltsstoffen ausgeschieden werden.The Above all, solids are cellulose-containing fiber fractions that are caused by the digestion process in the animal is small, and with humic acids, amino acids, nitrogen, Phosphorus, potash, lime and other ingredients are excreted.

Biogasanlagen werden gegenwärtig über die thermische Gewinnung oder über mikrobiellen Abbau betrieben.biogas plants are currently over the thermal Extraction or over operated microbial degradation.

Bekannte Verfahren zur Herstellung von Biogas aus Gülle trennen die Bestandteile der Gülle nicht vor dem eigentlichen Verfahrensprozess.Known Process for the production of biogas from manure separate the constituents the manure is not before the actual process.

Die Gülle besitzt jedoch einen sehr hohen Wasseranteil.The Manure owns but a very high water content.

Deshalb ist beim Einsatz in einem Bioreaktor zum Zwecke der Gasgewinnung ein relativ hoher Aufwand an Behältern, Apparaturen und Prozeßwärme erforderlich.Therefore is when used in a bioreactor for the purpose of gas production a relatively high amount of containers, Equipment and process heat required.

Der Erfindung liegt die Aufgabe zugrunde, eine Biomasse zu schaffen, die mit relativ geringem Aufwand herstellbar und zur Wärme- und/oder Biogaserzeugung eingesetzt werden kann.Of the Invention has for its object to provide a biomass, which can be produced with relatively little effort and for heat and / or Biogas production can be used.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Patentanspruchs 1 gelöst. Weitere Ausgestaltungen sind in den Ansprüchen 2 bis 7 angegeben.According to the invention Problem solved by the features of claim 1. Further embodiments are in the claims 2 to 7 indicated.

Die mit der Erfindung erzielten Vorteile bestehen darin, dass die Phasentrennung einen stapelbaren Feststoff nicht nur zur Biogasgewinnung, sondern zur Wärmegewinnung insgesamt schafft.The achieved with the invention advantages are that the phase separation a stackable solid not only for biogas production, but for heat recovery overall creates.

Die Verminderung der CO2-Immission wird erreicht und die Restflüssigkeit ist gegenüber der Gülle nährstoffentlastet. Somit wird die Gefahr des Grundwassereintrages von Stickstoff und Phosphor reduziert.The reduction of the CO 2 -Immission is achieved and the residual liquid is nutrient-relieved compared to the manure. Thus, the risk of groundwater entry of nitrogen and phosphorus is reduced.

Schwimmschichten, als ein Problem der Güllelagerung, entstehen kaum.Floating layers, as a problem of manure storage, hardly arise.

Die Phasentrennung der Gülle ist stationär und mobil mit bekannter Technik möglich. Die erfindungsgemäße Biomasse ist ein stapelbarer Rohstoff in feinfaseriger, homogener Qualität.The Phase separation of manure is stationary and mobile with known technology possible. The biomass according to the invention is a stackable raw material in fine-grained, homogeneous quality.

Im Ergebnis der Fest-Flüssigkeitstrennung durch Separieren, Zentrifugieren oder Filtern entsteht ein stapelbarer Feststoff mit einem Trockenmasseanteil zwischen ca. 20 bis 40 %. Die so gewonnenen Feststoffe entwickeln schnell Eigenwärme, sind zur Nutzung als Prozeßwärme geeignet und können in Bioreaktoren zur Methanisierung eingesetzt werden.in the Result of solid-liquid separation by Separating, centrifuging or filtering creates a stackable Solid with a dry matter content between about 20 to 40%. The solids thus obtained quickly develop self-heat suitable for use as process heat and can used in bioreactors for methanation.

Die Struktur des separierten Feststoffes ermöglicht diverse Zumischungen von organischen und anorganischen Komponenten zur Biogasproduktion.The Structure of the separated solid allows various admixtures of organic and inorganic components for biogas production.

Die Feststoffe aus der Gülle sind reaktive Stoffe zum Einsatz in der Biogasproduktion. Die Realisierung ist durch dezentrale Feststoffgewinnung und Verarbeitung sowie durch dezentrale Feststoffgewinnung und zentrale Verarbeitung möglich.The Solids from manure are reactive substances for use in biogas production. The realization is by decentralized solids extraction and processing and by Decentralized solids extraction and central processing possible.

Ein Ausführungsbeispiel soll das Verfahren am Beispiel von Rindergülle erläutern:
Rindergülle wird nach einem bekannten Verfahren, z.B. Filtern, in stapelbare Feststoffe und in Restflüssigkeit getrennt.One embodiment is intended to explain the method using the example of cattle slurry:
Cow manure is separated by a known method, eg filtering, into stackable solids and residual liquid.

Damit bilden sich zwei Medien mit unterschiedlichen Aggregatzuständen und Inhaltsstoffen heraus.In order to form two media with different states of aggregation and Ingredients out.

Ausgangstoff ist Rindergülle mit 100 %. Die Inhaltsstoffe teilen sich in folgende Anteile
Der Feststoff enthält Gewichtsanteil mit ca 28 % N-Anteile
ca 35 % P-Anteile
ca 26 % K-Anteile
und ca 31 % Trockensubstanz.The starting material is cattle slurry with 100%. The ingredients are divided into the following proportions
The solid contains weight fraction with about 28% N-shares
about 35% P shares
about 26% K shares
and about 31% dry matter.

Die Restflüssigkeit enthält Gewichtsanteil mit ca 72 % N-Anteile
ca 65 % P-Anteile
ca 74 % K-Anteile
und ca 3 % Trockensubstanz.The residual liquid contains part by weight with about 72% N-shares
about 65% P shares
about 74% K shares
and about 3% dry matter.

Der Feststoff wird gestapelt zu einer Biogasanlage transportiert und in Biogas umgesetzt.Of the Solid is stacked and transported to a biogas plant converted into biogas.

Vorhandene technische Möglichkeiten der Feinstzerkleinerung der erfindungsgemäßen Biomasse erhöhen die Gasausbeute und die Reaktorwirkung.Existing technical possibilities of Fine comminution of the biomass according to the invention increase the gas yield and the reactor effect.

Ein stabiler Anteil eines immer wiederkehrenden Rohstoffs schafft gute Bedingungen für den mikrobiellen Prozeß.One stable share of a recurring commodity creates good Conditions for the microbial process.

Claims (7)

Verfahren zur Herstellung von Biomasse aus der Gülle von Anlagen der Tierpruduktion mit vorwiegend strohloser Haltung, dadurch gekennzeichnet, dass eine Phasentrennung der Gülle in stapelbare Feststoffe und in Restflüssigkeit durch Separieren, Zentrifugieren oder Filtern vor dem Einsatz zur Wärme- und/oder Biogasgewinnung erfolgt und die gewonnenen Feststoffe zur Wärme- und/oder Biogaserzeugung eingesetzt werden.Process for the production of biomass from the manure of plants of animal testing with predominantly straw-less attitude, characterized in that a phase separation of the liquid manure into stackable solids and in residual liquid by separation, centrifuging or filtering before use for heat and / or biogas production takes place and the obtained solids are used for heat and / or biogas production. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der abgetrennte Feststoff einen Trockensubstanzgehalt von 20 bis 50 % sowie einen Feuchtegehalt zwischen 50 bis 80 % enthält.Method according to claim 1, characterized in that that the separated solid has a dry matter content of 20 contains up to 50% and a moisture content between 50 to 80%. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, dass mit einem Zusatz von Impffermentoren Wärme und Gas erzeugt wird.Method according to Claims 1 and 2, characterized that with the addition of Impffermentoren heat and gas is generated. Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass andere organische und anorganische Zuschlagstoffe wahlweise als Co-Fermenter zudosiert werden.Method according to Claims 1 to 3, characterized that other organic and inorganic additives are optional be metered as co-fermenter. Verfahren nach Anspruch 1 bis 4 dadurch gekennzeichnet, dass das Restprodukt für einen neuen Impfansatz verwendet wird.Method according to claims 1 to 4, characterized that the residual product for a new inoculation approach is used. Verfahren nach Anspruch 1 bis 5, dadurch gekennzeichnet, dass die Biomasse stapelbar ist und bereits ohne oder mit geringer Feuchtezugabe reagiert.Method according to Claims 1 to 5, characterized that the biomass is stackable and already without or with less Moisture addition reacts. Verfahren nach Anspruch 1 bis 6, dadurch gekennzeichnet, dass das Restprodukt nach der Vergärung als Düngemittel verwendet wird.Method according to Claims 1 to 6, characterized that the residual product after fermentation is used as fertilizer.
DE10340307A 2003-09-02 2003-09-02 Biogas and heat production from liquid manure involves separation of the manure into a solid phase biomass and a liquid fraction useful as a fertilizer Withdrawn DE10340307A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012152266A2 (en) 2011-05-10 2012-11-15 Dge Dr.-Ing. Günther Engineering Gmbh Process for producing biogas from predominantly animal excrements
CN102875230A (en) * 2012-10-01 2013-01-16 杨天奇 Organic carbon dioxide (CO2) plant nutrition agent and preparation method thereof
CN108456022A (en) * 2018-04-23 2018-08-28 贵州省仁怀市宁兴畜牧养殖有限公司 A method of comprehensive utilization cow dung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101626A1 (en) * 2001-01-16 2002-07-18 Pels Thomas Treatment of (un)fermented slurry involves adding flocculant, coagulating slurry and separating product into liquid and solid fractions, useful as fertilizers
DE10154165A1 (en) * 2001-11-05 2003-05-15 Hopp Vollrath Production of filter cakes from liquid manure, useful as soil improvers, fertilizers or fertilizer additives, comprises treatment of coarse solid-free filtrate with a flocculant, followed by pressing of the resultant sediment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101626A1 (en) * 2001-01-16 2002-07-18 Pels Thomas Treatment of (un)fermented slurry involves adding flocculant, coagulating slurry and separating product into liquid and solid fractions, useful as fertilizers
DE10154165A1 (en) * 2001-11-05 2003-05-15 Hopp Vollrath Production of filter cakes from liquid manure, useful as soil improvers, fertilizers or fertilizer additives, comprises treatment of coarse solid-free filtrate with a flocculant, followed by pressing of the resultant sediment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012152266A2 (en) 2011-05-10 2012-11-15 Dge Dr.-Ing. Günther Engineering Gmbh Process for producing biogas from predominantly animal excrements
DE102011108462A1 (en) 2011-05-10 2012-11-15 Dge Dr.-Ing. Günther Engineering Gmbh Process for the production of biogas from predominantly animal excreta
CN102875230A (en) * 2012-10-01 2013-01-16 杨天奇 Organic carbon dioxide (CO2) plant nutrition agent and preparation method thereof
CN108456022A (en) * 2018-04-23 2018-08-28 贵州省仁怀市宁兴畜牧养殖有限公司 A method of comprehensive utilization cow dung

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