FI942185A - Immobilisering av metallföroreningar från en vätska till ett fast medium - Google Patents

Immobilisering av metallföroreningar från en vätska till ett fast medium Download PDF

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Publication number
FI942185A
FI942185A FI942185A FI942185A FI942185A FI 942185 A FI942185 A FI 942185A FI 942185 A FI942185 A FI 942185A FI 942185 A FI942185 A FI 942185A FI 942185 A FI942185 A FI 942185A
Authority
FI
Finland
Prior art keywords
pct
date
immobilization
sec
liquid
Prior art date
Application number
FI942185A
Other languages
English (en)
Finnish (fi)
Other versions
FI942185A0 (sv
FI107884B (sv
Inventor
Michael Leslie James
Mark Anthony Rose
Original Assignee
Albright & Wilson
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 Albright & Wilson filed Critical Albright & Wilson
Publication of FI942185A publication Critical patent/FI942185A/sv
Publication of FI942185A0 publication Critical patent/FI942185A0/sv
Application granted granted Critical
Publication of FI107884B publication Critical patent/FI107884B/sv

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/36—Detoxification by using acid or alkaline reagents
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities
    • C01B25/238—Cationic impurities, e.g. arsenic compounds
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Filtering Materials (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatment Of Sludge (AREA)
FI942185A 1991-11-15 1994-05-11 Immobilisering av metallföroreningar från en vätska till ett fast medium FI107884B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB919124353A GB9124353D0 (en) 1991-11-15 1991-11-15 Immobilisation of metal contaminants from a liquid to a solid metal
GB9124353 1991-11-15
PCT/GB1992/002086 WO1993009849A1 (en) 1991-11-15 1992-11-11 Immobilisation of metal contaminants from a liquid to a solid medium
GB9202086 1992-11-11

Publications (3)

Publication Number Publication Date
FI942185A true FI942185A (sv) 1994-05-11
FI942185A0 FI942185A0 (sv) 1994-05-11
FI107884B FI107884B (sv) 2001-10-31

Family

ID=10704728

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942185A FI107884B (sv) 1991-11-15 1994-05-11 Immobilisering av metallföroreningar från en vätska till ett fast medium

Country Status (15)

Country Link
US (1) US5495064A (sv)
EP (1) EP0613391B1 (sv)
JP (1) JPH07504116A (sv)
KR (1) KR100239916B1 (sv)
AT (1) ATE149366T1 (sv)
AU (1) AU661518B2 (sv)
CA (1) CA2123309A1 (sv)
DE (1) DE69217985T2 (sv)
DK (1) DK0613391T3 (sv)
ES (1) ES2101127T3 (sv)
FI (1) FI107884B (sv)
GB (1) GB9124353D0 (sv)
NO (1) NO305060B1 (sv)
OA (1) OA09923A (sv)
WO (1) WO1993009849A1 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722929A (en) * 1994-08-26 1998-03-03 Southwind Enterprises Inc. Particle agglomeration with acidic sulphate
US5678233A (en) * 1994-09-14 1997-10-14 Brown; Paul W. Method of immobilizing toxic or radioactive inorganic wastes and associated products
US5994609A (en) * 1996-12-16 1999-11-30 Luo; Ping Methods of treating nuclear hydroxyapatite materials
FR2761679B1 (fr) * 1997-04-08 1999-06-18 Carrieres Du Boulonnais Procede pour l'elimination d'acides sulfureux residuaires de traitement industriel et pour l'obtention de produits stables
TWI648571B (zh) 2010-07-30 2019-01-21 諾華公司 水合隱形鏡片
SG11201603699SA (en) 2013-12-17 2016-07-28 Novartis Ag A silicone hydrogel lens with a crosslinked hydrophilic coating
KR102366047B1 (ko) 2014-08-26 2022-02-23 알콘 인코포레이티드 실리콘 히드로겔 콘택트 렌즈 상에 안정한 코팅을 적용하는 방법
US10449090B2 (en) 2015-07-31 2019-10-22 Allotex, Inc. Corneal implant systems and methods
CN108369291B (zh) 2015-12-15 2021-07-20 爱尔康公司 用于将稳定的涂层施加在硅酮水凝胶接触镜片上的方法
BR112020009607A2 (pt) 2017-12-13 2020-10-13 Alcon Inc. lentes de contato com gradiente aquoso descartáveis semanal e mensalmente
JP7467161B2 (ja) * 2020-02-27 2024-04-15 太平洋セメント株式会社 廃液の処理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE189062C (sv) *
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE2909572A1 (de) * 1979-03-12 1980-09-25 Hoechst Ag Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte
DE3135801A1 (de) * 1981-09-10 1983-03-24 Hoechst Ag, 6000 Frankfurt Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung
US4671882A (en) * 1983-08-31 1987-06-09 Deere & Company Phosphoric acid/lime hazardous waste detoxification treatment process
DE3502215A1 (de) * 1985-01-24 1986-07-24 Hoechst Ag Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte
US4737356A (en) * 1985-11-18 1988-04-12 Wheelabrator Environmental Systems Inc. Immobilization of lead and cadmium in solid residues from the combustion of refuse using lime and phosphate

Also Published As

Publication number Publication date
EP0613391A1 (en) 1994-09-07
OA09923A (en) 1994-09-15
DK0613391T3 (da) 1997-03-24
KR100239916B1 (ko) 2000-03-02
ES2101127T3 (es) 1997-07-01
CA2123309A1 (en) 1993-05-27
EP0613391B1 (en) 1997-03-05
ATE149366T1 (de) 1997-03-15
NO941627D0 (no) 1994-05-03
NO305060B1 (no) 1999-03-29
NO941627L (no) 1994-05-03
AU661518B2 (en) 1995-07-27
US5495064A (en) 1996-02-27
DE69217985T2 (de) 1997-07-10
GB9124353D0 (en) 1992-01-08
DE69217985D1 (de) 1997-04-10
WO1993009849A1 (en) 1993-05-27
FI942185A0 (sv) 1994-05-11
JPH07504116A (ja) 1995-05-11
FI107884B (sv) 2001-10-31
AU2903992A (en) 1993-06-15

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: ALBRIGHT & WILSON UK LIMITED