DK37085D0 - Anvendelse af hydrofile, kraftigt fyldte polyurethanmasser til biologisk spildvandsrensning - Google Patents
Anvendelse af hydrofile, kraftigt fyldte polyurethanmasser til biologisk spildvandsrensningInfo
- Publication number
- DK37085D0 DK37085D0 DK37085A DK37085A DK37085D0 DK 37085 D0 DK37085 D0 DK 37085D0 DK 37085 A DK37085 A DK 37085A DK 37085 A DK37085 A DK 37085A DK 37085 D0 DK37085 D0 DK 37085D0
- Authority
- DK
- Denmark
- Prior art keywords
- waste
- polyurethane
- urea
- carriers
- weight
- Prior art date
Links
Classifications
-
- 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
- C02F3/10—Packings; Fillings; Grids
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Biological Treatment Of Waste Water (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fire-Extinguishing Compositions (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- External Artificial Organs (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843402697 DE3402697A1 (de) | 1984-01-26 | 1984-01-26 | Verwendung von hydrophilen, hochgefuellten polyurethanmassen zur biologischen abwasserreinigung |
Publications (2)
Publication Number | Publication Date |
---|---|
DK37085D0 true DK37085D0 (da) | 1985-01-25 |
DK37085A DK37085A (da) | 1985-07-27 |
Family
ID=6225988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK37085A DK37085A (da) | 1984-01-26 | 1985-01-25 | Anvendelse af hydrofile, kraftigt fyldte polyurethanmasser til biologisk spildvandsrensning |
Country Status (10)
Country | Link |
---|---|
US (1) | US4576718A (da) |
EP (1) | EP0150747B1 (da) |
JP (1) | JPS60172399A (da) |
AT (1) | ATE25959T1 (da) |
CA (1) | CA1249674A (da) |
DE (2) | DE3402697A1 (da) |
DK (1) | DK37085A (da) |
ES (1) | ES8601811A1 (da) |
FI (1) | FI91243C (da) |
NO (1) | NO167564C (da) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3520160A1 (de) * | 1985-06-05 | 1986-12-11 | Noell GmbH, 8700 Würzburg | Verfahren und vorrichtung zum entfernen von nitrat aus oberflaechen- und grundwasser, insbesondere trinkwasser |
DE3526183A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Verfahren zur verbesserten trennung der klaerfluessigkeit von der biomasse bei der biologischen abwasserreinigung |
DE3526180A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Waessrige suspensionen von agglomeraten, ihre herstellung und verwendung |
DE3526184A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Verfahren zur herstellung von fuellstoffe enthaltenden, polymer-gebundenen traegermassen, die nach diesem verfahren erhaltenen traegermassen und ihre verwendung |
DE3526185A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Verfahren zur herstellung fuellstoffhaltiger, anionisch modifizierter polyurethan(harnstoff)-massen, entsprechende polyurethan(harnstoff)-massen und ihre verwendung |
GB2181424A (en) * | 1985-09-11 | 1987-04-23 | Malcolm Graham Goodson | Zeolite impregnated open-cell foam |
CH666131A5 (fr) * | 1985-10-31 | 1988-06-30 | Battelle Memorial Institute | Support a phase solide muni d'un composant destine a participer a une reaction dans une phase liquide. |
JPS62146819A (ja) * | 1985-12-19 | 1987-06-30 | Matsushita Electric Ind Co Ltd | マガジンホルダ− |
DE3615103A1 (de) * | 1986-05-03 | 1987-11-05 | Bayer Ag | Verwendung von polymertraegermassen als traeger bei biochmischen umwandlungsprozessen in waessriger phase |
MY103015A (en) * | 1986-09-16 | 1993-04-30 | Commw Scient Ind Res Org | Sewage treatment |
DE3737309A1 (de) * | 1987-09-03 | 1989-03-16 | Tecon Gmbh | Anlage zur aeroben biologischen reinigung von schadstoffhaltigem wasser |
DE3815123A1 (de) * | 1988-05-04 | 1989-11-16 | Bayer Ag | Verfahren zum biologischen abbau von komplexen, langsam abbaubaren organischen abwasserinhaltsstoffen |
US5543052A (en) * | 1988-07-28 | 1996-08-06 | Alliedsignal Inc. | Process for removal of organic pollutants from waste water |
AT392941B (de) * | 1989-01-19 | 1991-07-10 | Hamburger Dietrich | Spendevorrichtung zur dosierten abgabe eines duftstoffes an die luft, insbesondere fuer einen fahrzeuginnenraum |
IE892435L (en) * | 1989-02-10 | 1990-01-29 | Zymogenetics Inc | Translation of polycistronic messages in eucaryotic cells |
US5019512A (en) * | 1989-03-17 | 1991-05-28 | Baxter International Inc. | Spin filter for removing substantially cell-free culture medium from suspension cell culture system |
US5021157A (en) * | 1989-05-03 | 1991-06-04 | Drake Kenneth M | Filtration, drainage, and drying apparatus for deliquification of sludges |
DK0442157T3 (da) * | 1990-02-14 | 1995-05-08 | Tauw Milieu Bv | Indretning og fremgangsmåde til kombineret luft- og vandrensning |
JPH0736919B2 (ja) * | 1990-06-13 | 1995-04-26 | 勝利 大島 | 有機性廃液の浄化方法 |
WO1992006043A1 (en) * | 1990-10-09 | 1992-04-16 | Allied-Signal Inc. | Process for removal of organic pollutants from waste water |
WO1993002971A1 (en) * | 1991-08-07 | 1993-02-18 | Allied-Signal Inc. | Process for removal of organic pollutants from wastewater |
US5126042A (en) * | 1991-10-31 | 1992-06-30 | Malone Ronald F | Floating media biofilter |
JPH0623065A (ja) * | 1992-04-15 | 1994-02-01 | Ebara Infilco Co Ltd | 有機性汚水の生物処理方法および装置 |
US5707513A (en) * | 1992-05-13 | 1998-01-13 | Jowett; E. Craig | Wastewater treatment method and apparatus |
US6153094A (en) * | 1992-05-13 | 2000-11-28 | E. Craig Jowett | Wastewater treatment method and apparatus |
US5432204A (en) * | 1993-01-22 | 1995-07-11 | Woodbridge Foam Corporation | Foamed polymer and process for production thereof |
US5413714A (en) * | 1993-04-16 | 1995-05-09 | Alliedsignal Inc. | Process for biological remediation of vaporous pollutants |
CA2139554C (en) * | 1994-01-06 | 2008-09-09 | E. Craig Jowett | Waste water treatment method and apparatus |
US5573663A (en) * | 1994-01-10 | 1996-11-12 | Junius; John H. | Fluid filter using floating media |
US5945005A (en) * | 1994-01-10 | 1999-08-31 | Junius; John H. | Fluid filter using floating media |
US5486292A (en) * | 1994-03-03 | 1996-01-23 | E. I. Du Pont De Nemours And Company | Adsorbent biocatalyst porous beads |
NL9401169A (nl) * | 1994-07-15 | 1996-02-01 | Tno | Werkwijze en inrichting voor het saneren van een chemisch verontreinigde bodem. |
PL182851B1 (pl) * | 1995-02-13 | 2002-03-29 | Proceff Ltd | Sposób wytwarzania sypkiego drobnoziarnistego materiału |
US5618427A (en) * | 1995-02-13 | 1997-04-08 | W. R. Grace & Co.-Conn. | Composition and method for degradation of nitroaromatic contaminants |
JPH10174990A (ja) * | 1996-12-17 | 1998-06-30 | Nisshinbo Ind Inc | バイオリアクタ−用担体及び方法 |
US5770080A (en) * | 1997-04-23 | 1998-06-23 | Malone; Ronald F. | Air charged backwashing bioclarifier |
US6187183B1 (en) | 1997-05-02 | 2001-02-13 | Septitech, Inc. | Waste water treatment process and system with filtering media |
DE19828175A1 (de) * | 1997-10-30 | 1999-12-30 | Sued Chemie Ag | Verfahren zur Behandlung von mit Ammonium hochbelasteten Prozeßabwässern auf dem Abwassergebiet |
US6881339B1 (en) | 1997-10-30 | 2005-04-19 | Sud-Chemie Ag | Process for treating industrial and municipal waste water highly loaded with ammonium |
GB2334029A (en) * | 1998-02-04 | 1999-08-11 | John James Todd | Media for waste water treatment |
EP1070024B1 (en) * | 1998-03-31 | 2005-11-09 | Samsung Engineering Co., Ltd. | Wastewater treatment method for removing organic matter and nitrogen |
US6517724B1 (en) | 1998-04-16 | 2003-02-11 | Ronald F. Malone | Air charged backwashing bioclarifier |
JP2001300583A (ja) * | 2000-04-25 | 2001-10-30 | Nisshinbo Ind Inc | 有機性排水の硝化脱窒方法 |
AU2002232673A1 (en) * | 2000-12-27 | 2002-07-08 | Stockhausen, Inc. | Method and apparatus using super absorbent polymers for dehydration of oil |
KR20020063098A (ko) * | 2001-01-26 | 2002-08-01 | 히다찌 플랜트 겐세쓰 가부시키가이샤 | 수중의 외인성 내분비교란화학물질의 제거방법 |
US6673258B2 (en) | 2001-10-11 | 2004-01-06 | Tmp Technologies, Inc. | Magnetically responsive foam and manufacturing process therefor |
US7140495B2 (en) * | 2001-12-14 | 2006-11-28 | 3M Innovative Properties Company | Layered sheet construction for wastewater treatment |
US7211206B2 (en) * | 2004-01-23 | 2007-05-01 | Century-Board Usa Llc | Continuous forming system utilizing up to six endless belts |
US7763341B2 (en) * | 2004-01-23 | 2010-07-27 | Century-Board Usa, Llc | Filled polymer composite and synthetic building material compositions |
WO2006012149A2 (en) | 2004-06-24 | 2006-02-02 | Century-Board Usa, Llc | Continuous forming apparatus for three-dimensional foamed products |
US7309434B2 (en) * | 2004-06-28 | 2007-12-18 | Potts David A | Apparatus and method for wastewater treatment |
US7794224B2 (en) | 2004-09-28 | 2010-09-14 | Woodbridge Corporation | Apparatus for the continuous production of plastic composites |
WO2006133139A1 (en) * | 2005-06-07 | 2006-12-14 | Baird William E | A filter assembly, bioreactor catch basin and method of using the same |
US7582474B2 (en) * | 2005-07-11 | 2009-09-01 | Honeywell International Inc. | Process reactor with layered packed bed |
US8138234B2 (en) * | 2006-03-24 | 2012-03-20 | Century-Board Usa, Llc | Polyurethane composite materials |
DE102006050793A1 (de) * | 2006-10-27 | 2008-04-30 | Bayer Materialscience Ag | Neuartige Hydrogele auf Basis aliphatischer NCO-Prepolymere |
US20090295021A1 (en) * | 2008-05-27 | 2009-12-03 | Century-Board Usa, Llc | Extrusion of polyurethane composite materials |
US10258473B2 (en) * | 2008-11-19 | 2019-04-16 | Softjoint Corporation | Device and method for restoring joints with artificial cartilage |
US9481759B2 (en) | 2009-08-14 | 2016-11-01 | Boral Ip Holdings Llc | Polyurethanes derived from highly reactive reactants and coal ash |
US8846776B2 (en) | 2009-08-14 | 2014-09-30 | Boral Ip Holdings Llc | Filled polyurethane composites and methods of making same |
MX2009013966A (es) * | 2009-12-17 | 2011-06-16 | Inst Potosino De Investigacion Cientifica Y Tecnologica A C | Material de empaque para biofiltracion con base en poliuretano modificado con almidon, metodos para la manufactura del mismo y sistema de biofiltracion. |
US8691092B2 (en) * | 2010-07-07 | 2014-04-08 | Biohabitats Incorporated | Treating water using floating wetland made of plastic waste |
CA2851349C (en) | 2011-10-07 | 2020-01-21 | Russell L. Hill | Inorganic polymer/organic polymer composites and methods of making same |
US9932457B2 (en) | 2013-04-12 | 2018-04-03 | Boral Ip Holdings (Australia) Pty Limited | Composites formed from an absorptive filler and a polyurethane |
WO2016018226A1 (en) | 2014-07-28 | 2016-02-04 | Crocco Guy | The use of evaporative coolants to manufacture filled polyurethane composites |
WO2016022103A1 (en) | 2014-08-05 | 2016-02-11 | Amitabha Kumar | Filled polymeric composites including short length fibers |
US9988512B2 (en) | 2015-01-22 | 2018-06-05 | Boral Ip Holdings (Australia) Pty Limited | Highly filled polyurethane composites |
US10030126B2 (en) | 2015-06-05 | 2018-07-24 | Boral Ip Holdings (Australia) Pty Limited | Filled polyurethane composites with lightweight fillers |
WO2017082914A1 (en) | 2015-11-12 | 2017-05-18 | Boral Ip Holdings (Australia) Pty Limited | Filled polyurethane composites with size-graded fillers |
CN110342642A (zh) * | 2018-04-08 | 2019-10-18 | 上海熊猫机械(集团)有限公司 | 一种原位水质净化装置 |
CN108423802B (zh) * | 2018-05-18 | 2024-03-08 | 清华大学深圳研究生院 | 一种用于悬浮快滤池的滤料 |
CN111040115B (zh) * | 2019-12-27 | 2022-01-28 | 陕西科技大学 | 一种复合型腐植酸海绵仿生土壤基质及其制备方法和应用 |
CN113880354B (zh) * | 2021-10-13 | 2023-08-22 | 世纪华扬环境工程有限公司 | 一种高海拔条件下污水处理用工艺 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT248354B (de) * | 1962-06-13 | 1966-07-25 | Purator Klaeranlagen Grosshand | Biologische Reinigungsanlage |
DE1934030B2 (de) * | 1969-07-04 | 1971-02-04 | Kali Chemie Ag | Verfahren zur Herstellung eines Trockenmittelformkoerpers |
CH535184A (fr) * | 1971-08-11 | 1973-03-31 | Techfina S A | Procédé de traitement des eaux usées biodégradables et installation pour la mise en oeuvre de ce procédé |
US4342834A (en) * | 1972-05-03 | 1982-08-03 | W. R. Grace & Co. | Enzymes bound to polyurethane |
US3779906A (en) * | 1972-08-03 | 1973-12-18 | Biospherics Inc | Plastic moving-surface treatment of sewage |
US4137200A (en) * | 1973-10-09 | 1979-01-30 | W. R. Grace & Co. | Crosslinked hydrophilic foams and method |
DE2633259C3 (de) * | 1975-07-23 | 1984-11-15 | Japan Atomic Energy Research Institute, Tokio/Tokyo | Verfahren zum Unbeweglichmachen von Enzymen oder enzymhaltigen Zellen |
DE2550818C3 (de) * | 1975-11-12 | 1978-05-18 | Michael 6600 Saarbruecken Funk | Verfahren und Vorrichtung zur biologischen Abwasserreinigung nach dem Schlammbelebungsverfahren |
JPS5266681A (en) * | 1975-11-26 | 1977-06-02 | Saburo Fukui | Fixing of enzyme or microbial fungus |
JPS5294487A (en) * | 1976-01-31 | 1977-08-09 | Japan Atom Energy Res Inst | Production of compositions containing enzyme or microbial cells |
GB1579623A (en) * | 1976-06-08 | 1980-11-19 | Clough G F G | Filtration medium for the biological treatment of waste water |
JPS5381681A (en) * | 1976-12-25 | 1978-07-19 | Agency Of Ind Science & Technol | Bio-reaction process |
GB2006181B (en) * | 1977-10-20 | 1982-05-19 | Hartley Simon Ltd | Growth of biological material |
DE2839872C3 (de) * | 1978-09-13 | 1981-03-12 | Funk, Michael, Ing.(grad.), 6604 Güdingen | Verfahren und Vorrichtungen zur biologischen Abwasserreinigung nach dem Schlammbelebungsverfahren |
DE2914976A1 (de) * | 1979-04-12 | 1980-10-16 | Kurt Helmut Hofmann | Verfahren und vorrichtung zum entfernen von eiweiss und dessen abbauprodukten aus wasser |
DE2929872C2 (de) * | 1979-07-24 | 1985-10-31 | Joachim Prof. Dr. Klein | Verfahren zur Herstellung von hydrophilen, gelförmig oder geschäumten Biokatalysatoren mit hoher Beladung an enzymatisch aktiver Substanz |
DE3025353A1 (de) * | 1980-07-04 | 1982-01-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur reinigung von organischen verunreinigten abwaessern mit aktivkohle in zwei oder mehreren hintereinandergeschalteten aktivkohlekolonnen |
DE3032869A1 (de) * | 1980-09-01 | 1982-04-15 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur anaeroben biologischen reinigung von abwasser |
DE3032882A1 (de) * | 1980-09-01 | 1982-04-15 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen reinigung von abwasser |
ATE26404T1 (de) * | 1981-10-19 | 1987-04-15 | Linde Ag | Verfahren zum beseitigen von feststoffen aus einer fluessigkeit. |
US4427548A (en) * | 1982-01-06 | 1984-01-24 | The Dow Chemical Company | Filtering method and apparatus |
DE3213074A1 (de) * | 1982-04-07 | 1983-10-20 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen abwasserrreinigung |
-
1984
- 1984-01-26 DE DE19843402697 patent/DE3402697A1/de not_active Withdrawn
- 1984-11-16 US US06/672,441 patent/US4576718A/en not_active Expired - Fee Related
-
1985
- 1985-01-10 NO NO850112A patent/NO167564C/no unknown
- 1985-01-14 DE DE8585100287T patent/DE3560091D1/de not_active Expired
- 1985-01-14 EP EP19850100287 patent/EP0150747B1/de not_active Expired
- 1985-01-14 AT AT85100287T patent/ATE25959T1/de not_active IP Right Cessation
- 1985-01-24 FI FI850318A patent/FI91243C/fi not_active IP Right Cessation
- 1985-01-25 CA CA000472917A patent/CA1249674A/en not_active Expired
- 1985-01-25 DK DK37085A patent/DK37085A/da not_active Application Discontinuation
- 1985-01-25 JP JP60011160A patent/JPS60172399A/ja active Pending
- 1985-01-25 ES ES539857A patent/ES8601811A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0150747A3 (en) | 1985-08-28 |
FI850318L (fi) | 1985-07-27 |
EP0150747A2 (de) | 1985-08-07 |
JPS60172399A (ja) | 1985-09-05 |
FI91243B (fi) | 1994-02-28 |
FI91243C (fi) | 1994-06-10 |
NO167564B (no) | 1991-08-12 |
NO850112L (no) | 1985-07-29 |
ES539857A0 (es) | 1985-11-16 |
DE3560091D1 (en) | 1987-04-23 |
DE3402697A1 (de) | 1985-08-01 |
NO167564C (no) | 1991-11-20 |
DK37085A (da) | 1985-07-27 |
EP0150747B1 (de) | 1987-03-18 |
FI850318A0 (fi) | 1985-01-24 |
ES8601811A1 (es) | 1985-11-16 |
US4576718A (en) | 1986-03-18 |
ATE25959T1 (de) | 1987-04-15 |
CA1249674A (en) | 1989-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK37085A (da) | Anvendelse af hydrofile, kraftigt fyldte polyurethanmasser til biologisk spildvandsrensning | |
CO4410235A1 (es) | Metodo o proceso para estabilizar sedimento de aguas negras tratadas, no tratadas o biorganicas | |
ATE56033T1 (de) | Verfahren zur herstellung von schaumstoffhaltigen polyurethan(harnstoff)-massen, schaumstoffhaltige polyurethan(harnstoff)-massen und ihre verwendung. | |
WO1987007316A1 (en) | Bacterial composition and method for purifying water and soil of oil pollution | |
NZ335921A (en) | Compost decontamination of soil contaminated with chlorinated toxicants | |
US6277279B1 (en) | Method for treating wastewater | |
Luepromchai et al. | Biodegradation of PAHs in petroleum-contaminated soil using tamarind leaves as microbial inoculums | |
Ohmura et al. | Desulfurization of coal by microbial column flotation | |
DE4303842A1 (de) | Verfahren zur Entfernung und Beseitigung nicht gebundener organischer Stoffe | |
ATE53826T1 (de) | Verfahren und anlage zur entsorgung und verwertung von klaerschlamm und biomuell. | |
KR970020996A (ko) | 축산시설에 있어서의 오탁물 처리방법 | |
Uwidia et al. | Effects of time on pH, total bacteria counts, and total hydrocarbon contents in the bioremediation of crude oil contaminated soil using indigenous bio-stimulants | |
RU2584031C1 (ru) | Способ переработки нефтешламов и очистки замазученных грунтов | |
Muratova et al. | New strains of oil-degrading microorganisms for treating contaminated soils and wastes | |
JP4067447B2 (ja) | 汚染土壌の浄化方法 | |
CN110922246A (zh) | 一种诱导水生植物根系快速发育的制剂及其在黑臭水体生态修复中的应用 | |
KR100559166B1 (ko) | 피트모스를 이용한 유류 오염 토양의 생물학적 복원 방법 | |
JP2003010834A (ja) | 汚染土壌のバイオレメディエーション法 | |
RU2564391C1 (ru) | Способ биопреобразования загрязненной почвы | |
SK277881B6 (en) | Agent for biological degradation of petroleum contamination | |
RU2264357C2 (ru) | Биопрепарат для очистки объектов окружающей среды от нефти и нефтепродуктов | |
RU2521707C1 (ru) | Способ биопреобразования нефтяных шламов и отходов добычи и переработки нефти | |
Shimko et al. | Biochemical methods of freeing gas-air mixtures from sulfur containing compounds | |
DE3679913D1 (de) | Abbauverfahren fuer mineraloelderivate in waschwasser und schlaemmen. | |
KR880012747A (ko) | 자유유동성 담체의 회수방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn |