DK0579623T3 - Process for cleaning exhaust air - Google Patents

Process for cleaning exhaust air

Info

Publication number
DK0579623T3
DK0579623T3 DK92906671T DK92906671T DK0579623T3 DK 0579623 T3 DK0579623 T3 DK 0579623T3 DK 92906671 T DK92906671 T DK 92906671T DK 92906671 T DK92906671 T DK 92906671T DK 0579623 T3 DK0579623 T3 DK 0579623T3
Authority
DK
Denmark
Prior art keywords
washing liquid
contaminants
separated
activated sludge
exhaust air
Prior art date
Application number
DK92906671T
Other languages
Danish (da)
Inventor
Gunther Kratz
Levent M Yueksel
Stefan Blum
Original Assignee
Henkel Kgaa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6428138&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0579623(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel Kgaa filed Critical Henkel Kgaa
Application granted granted Critical
Publication of DK0579623T3 publication Critical patent/DK0579623T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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
    • B01D53/22—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 by diffusion
    • B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • 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
    • 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
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • 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
    • C02F3/02—Aerobic processes
    • C02F3/025—Biological purification using sources of oxygen other than air, oxygen or ozone
    • 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
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1231—Treatments of toxic 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
    • 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
    • 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
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Toxicology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treating Waste Gases (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Activated Sludge Processes (AREA)
  • Glass Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention concerns a process for cleaning exhaust air containing biodegradable contaminants which are only slightly soluble in water. The contaminants are absorbed by a washing liquid containing activated sludge and at least one high-boiling solvent for the contaminants and are decomposed by the activated sludge. The solvent and the activated sludge are separated from at least part of the remaining washing liquid which is then drained off. In order to reduce significantly the amount of substances which are dangerous to the environment or to health in the washing liquid separated off, without making it necessary to take costly additional measures, it is proposed that the part of the remaining washing liquid be separated off by membrane filtration using inorganic or hydrophilated organic membranes. Silicone oil is a particularly suitable solvent for use in the process.
DK92906671T 1991-03-25 1992-03-16 Process for cleaning exhaust air DK0579623T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4109732A DE4109732A1 (en) 1991-03-25 1991-03-25 EXHAUST AIR PROCESS

Publications (1)

Publication Number Publication Date
DK0579623T3 true DK0579623T3 (en) 1995-08-07

Family

ID=6428138

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92906671T DK0579623T3 (en) 1991-03-25 1992-03-16 Process for cleaning exhaust air

Country Status (8)

Country Link
EP (1) EP0579623B1 (en)
AT (1) ATE119799T1 (en)
CA (1) CA2106983A1 (en)
DE (2) DE4109732A1 (en)
DK (1) DK0579623T3 (en)
ES (1) ES2069419T3 (en)
GR (1) GR3015755T3 (en)
WO (1) WO1992016283A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2116089C (en) * 1994-02-21 2004-05-04 Fuelmaker Corporation Method and apparatus for dewatering gas stream resulting in a clean water effluent
AT401891B (en) * 1995-02-17 1996-12-27 Krems Chemie Ag FILLING MATERIALS FOR BIOLOGICAL EXHAUST AIR PURIFICATION
BE1009472A3 (en) * 1995-07-03 1997-04-01 Applic Of Cleaning Tech On Soi Method for thermo-biological cleansing of soil contaminated by organic compounds and device for the application of this method
AT405250B (en) * 1996-12-17 1999-06-25 Gottfried Dipl Ing Klaushofer Waste air purification
EP0955352A1 (en) * 1998-05-03 1999-11-10 Haase Energietechnik GmbH Reduction of silicon compounds in fuel gases
US7247210B2 (en) 2004-02-23 2007-07-24 Ecolab Inc. Methods for treating CIP equipment and equipment for treating CIP equipment
US7392811B2 (en) 2004-02-23 2008-07-01 Ecolab Inc. Delivery head for multiple phase treatment composition, vessel including a delivery head, and method for treating a vessel interior surface
US7220358B2 (en) 2004-02-23 2007-05-22 Ecolab Inc. Methods for treating membranes and separation facilities and membrane treatment composition
US20130064745A1 (en) * 2010-06-03 2013-03-14 I.D.E. Technologies Ltd. Flue gas treatment and permeate hardening
EP2433700A1 (en) * 2010-09-23 2012-03-28 Alstom Technology Ltd Trace component removal in CO2 removal processes by means of a semipermeable membrane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542599A1 (en) * 1985-12-03 1987-06-04 Ulrich Dipl Ing Baeuerle Process and apparatus for eliminating sparingly water-soluble and readily volatile impurities from an exhaust air stream or exhaust gas stream by biological oxidation
US4976751A (en) * 1986-12-04 1990-12-11 Keramchemie Gmbh Method for purification of exhaust air
DE3709174A1 (en) * 1987-03-20 1988-09-29 Wehrle Werk Ag Process and apparatus for the biological purification of organically polluted waste waters
SE9000379L (en) * 1989-06-05 1990-12-06 Ivl Inst Vatten Luftvardsforsk PROCEDURES FOR BIOLOGICAL CLEANING OF WASTE WATER CONDUCTING POLLUTANTS WITH HARDWARDABLE ORGANIC SUBSTANCES

Also Published As

Publication number Publication date
ATE119799T1 (en) 1995-04-15
EP0579623B1 (en) 1995-03-15
ES2069419T3 (en) 1995-05-01
CA2106983A1 (en) 1992-09-26
EP0579623A1 (en) 1994-01-26
GR3015755T3 (en) 1995-07-31
WO1992016283A1 (en) 1992-10-01
DE59201674D1 (en) 1995-04-20
DE4109732A1 (en) 1992-10-01

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