WO2008131034A3 - Hydrogen sulfide scrubber - Google Patents

Hydrogen sulfide scrubber Download PDF

Info

Publication number
WO2008131034A3
WO2008131034A3 PCT/US2008/060524 US2008060524W WO2008131034A3 WO 2008131034 A3 WO2008131034 A3 WO 2008131034A3 US 2008060524 W US2008060524 W US 2008060524W WO 2008131034 A3 WO2008131034 A3 WO 2008131034A3
Authority
WO
WIPO (PCT)
Prior art keywords
scrubber
tank
filter
media
gas
Prior art date
Application number
PCT/US2008/060524
Other languages
French (fr)
Other versions
WO2008131034A2 (en
Inventor
Mark A Moser
Original Assignee
Mark A Moser
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 Mark A Moser filed Critical Mark A Moser
Publication of WO2008131034A2 publication Critical patent/WO2008131034A2/en
Publication of WO2008131034A3 publication Critical patent/WO2008131034A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/95—Specific microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/05—Biogas
    • 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
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Sustainable Development (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

A trickling filter removes hydrogen sulfide from gas, preferably using heated digester effluent for nutrients and neutralization. Biogas produced from an anaerobic digester, and containing H2S, is pumped or sucked through the trickling filter tank, which comprises at least a portion that is packed with media(s) and sealed to prevent unplanned entry of air. In said system, gas flows up through the filter as a preferably heated digester effluent solution trickles down. A further feature of the preferred embodiments may be that digested manure is used to neutralize acidic scrubber by¬ product, for example, by mixing of excess filter tank nutrient flow with digested manure prior to its return to the anaerobic digester outfall. The preferred embodiments may comprise nitrifying the scrubber, as the scrubber may also provide a home for nitrifying bacteria that will convert a portion of the circulating ammonia to nitrate. A preferred cleaning technique comprises filling the filter/tank with water, allowing floatable media to float, and aggressively/rigorously agitating the media, for example, by injecting liquid or gas through nozzles mounted in the tank to loosen bacteria and sulfur.
PCT/US2008/060524 2007-04-16 2008-04-16 Hydrogen sulfide scrubber WO2008131034A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91216607P 2007-04-16 2007-04-16
US60/912,166 2007-04-16

Publications (2)

Publication Number Publication Date
WO2008131034A2 WO2008131034A2 (en) 2008-10-30
WO2008131034A3 true WO2008131034A3 (en) 2009-01-08

Family

ID=39876153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/060524 WO2008131034A2 (en) 2007-04-16 2008-04-16 Hydrogen sulfide scrubber

Country Status (1)

Country Link
WO (1) WO2008131034A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012031622A1 (en) * 2010-09-07 2012-03-15 Green Energy Technologies Cv Method for the acidification of manure
EP2767585A1 (en) 2013-02-18 2014-08-20 Politechnika Lódzka Microbiological method of H2S removal from biogas
PL2767584T3 (en) 2013-02-18 2017-02-28 Politechnika Łódzka Method for reduction of carbon dioxide in biogas
EP2968635B1 (en) * 2013-03-15 2020-08-12 Dvo, Inc. Method and apparatus for removal of hydrogen sulfide and carbon dioxide from biogas
NO20131255A1 (en) * 2013-09-18 2015-03-19 Yara Int Asa Process and biofilter system for removal of H2S from an H2S-contaminated energy production gas stream containing methane and use of such a biofilter system
US20150352487A1 (en) * 2014-06-06 2015-12-10 Mark A. Moser Method and Device for Removal of Hydrogen Sulfide from a Gas
EP3000891A1 (en) 2014-09-26 2016-03-30 Politechnika Lódzka Microbiological consortium for the purification of biogas
EP3000892A1 (en) 2014-09-26 2016-03-30 Politechnika Lódzka Use of a microbiological consortium and a microbiological medium for the production of biomethane
EP3000872B1 (en) 2014-09-26 2019-09-18 Politechnika Lódzka Microbiological medium for a microbiological consortium applied in the technology of biological purification of biogas

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824570A (en) * 1994-07-22 1996-01-30 Kurita Water Ind Ltd Desulfurizing device for anaerobic biological reaction gas
JPH0852491A (en) * 1994-08-12 1996-02-27 Kurita Water Ind Ltd Treatment of anaerobic biological reaction gas
JP2001232142A (en) * 2000-02-21 2001-08-28 Ebara Corp Biological deodorizing method
US6500237B2 (en) * 1997-08-12 2002-12-31 Adi International Inc. Removing hydrogen sulfide from a gaseous mixture using ferric ions bonded to calcined diatomite
JP2004033934A (en) * 2002-07-04 2004-02-05 Ebara Corp Desulfurization method and equipment therefor
JP2005095783A (en) * 2003-09-25 2005-04-14 Mitsui Eng & Shipbuild Co Ltd Method and system for desulfurization
US7153427B2 (en) * 2002-07-22 2006-12-26 Environmental Energy & Engineering Co. Nitrogen recovery system and method using heated air as stripping gas

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824570A (en) * 1994-07-22 1996-01-30 Kurita Water Ind Ltd Desulfurizing device for anaerobic biological reaction gas
JPH0852491A (en) * 1994-08-12 1996-02-27 Kurita Water Ind Ltd Treatment of anaerobic biological reaction gas
US6500237B2 (en) * 1997-08-12 2002-12-31 Adi International Inc. Removing hydrogen sulfide from a gaseous mixture using ferric ions bonded to calcined diatomite
JP2001232142A (en) * 2000-02-21 2001-08-28 Ebara Corp Biological deodorizing method
JP2004033934A (en) * 2002-07-04 2004-02-05 Ebara Corp Desulfurization method and equipment therefor
US7153427B2 (en) * 2002-07-22 2006-12-26 Environmental Energy & Engineering Co. Nitrogen recovery system and method using heated air as stripping gas
JP2005095783A (en) * 2003-09-25 2005-04-14 Mitsui Eng & Shipbuild Co Ltd Method and system for desulfurization

Also Published As

Publication number Publication date
WO2008131034A2 (en) 2008-10-30

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