DE69407810D1 - Verfahren zur aufbereitung von säurehaltigen flüssigkeiten zur herstellung eines handelsprodukts - Google Patents

Verfahren zur aufbereitung von säurehaltigen flüssigkeiten zur herstellung eines handelsprodukts

Info

Publication number
DE69407810D1
DE69407810D1 DE69407810T DE69407810T DE69407810D1 DE 69407810 D1 DE69407810 D1 DE 69407810D1 DE 69407810 T DE69407810 T DE 69407810T DE 69407810 T DE69407810 T DE 69407810T DE 69407810 D1 DE69407810 D1 DE 69407810D1
Authority
DE
Germany
Prior art keywords
producing
commercial product
treating acid
acid liquids
liquids
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69407810T
Other languages
English (en)
Other versions
DE69407810T2 (de
Inventor
Neil Clarke
John Newton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik LIL Ltd
Original Assignee
Laporte Industries Ltd
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 Laporte Industries Ltd filed Critical Laporte Industries Ltd
Application granted granted Critical
Publication of DE69407810D1 publication Critical patent/DE69407810D1/de
Publication of DE69407810T2 publication Critical patent/DE69407810T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/01—Waste acid containing iron
    • Y10S423/02—Sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Alcoholic Beverages (AREA)
  • Removal Of Specific Substances (AREA)
DE69407810T 1993-10-21 1994-10-11 Verfahren zur aufbereitung von säurehaltigen flüssigkeiten zur herstellung eines handelsprodukts Expired - Fee Related DE69407810T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939321732A GB9321732D0 (en) 1993-10-21 1993-10-21 Treatment of waste liquors
PCT/GB1994/002216 WO1995011199A1 (en) 1993-10-21 1994-10-11 Processes for the treatment of acidic liquors and for the production of commercial products thereby

Publications (2)

Publication Number Publication Date
DE69407810D1 true DE69407810D1 (de) 1998-02-12
DE69407810T2 DE69407810T2 (de) 1998-08-27

Family

ID=10743913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407810T Expired - Fee Related DE69407810T2 (de) 1993-10-21 1994-10-11 Verfahren zur aufbereitung von säurehaltigen flüssigkeiten zur herstellung eines handelsprodukts

Country Status (19)

Country Link
US (1) US5800716A (de)
EP (1) EP0724546B1 (de)
JP (1) JPH09503992A (de)
AU (1) AU681910B2 (de)
BR (1) BR9407883A (de)
CA (1) CA2174667A1 (de)
CZ (1) CZ116096A3 (de)
DE (1) DE69407810T2 (de)
ES (1) ES2114230T3 (de)
GB (1) GB9321732D0 (de)
GR (1) GR3026541T3 (de)
HU (1) HUT77696A (de)
MY (1) MY111805A (de)
PE (1) PE22395A1 (de)
PL (1) PL314172A1 (de)
SK (1) SK50196A3 (de)
TR (1) TR28078A (de)
WO (1) WO1995011199A1 (de)
ZA (1) ZA948158B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308359B (en) * 1995-12-19 1997-11-12 Laporte Industries Ltd Water treatment agents
US6110379A (en) * 1996-03-11 2000-08-29 Overton; James Michael Method for treating water containing sulfate
US6262012B1 (en) * 1999-12-20 2001-07-17 Kurita Water Industries Ltd. Wet paint spray booth treating agent
SE522777C2 (sv) * 2001-06-07 2004-03-09 Feralco Ab Reduktionsprocess
DE10324561A1 (de) * 2003-05-30 2004-12-16 Süd-Chemie AG Semi-synthetische Bleicherde
WO2009058771A2 (en) * 2007-11-01 2009-05-07 Terra Materials, Llc A method for stabilization and/or fixation of leachable metals
AU2015395596B2 (en) * 2015-05-21 2018-01-18 Csir Water treatment using cryptocrystalline magnesite

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1197123A (en) * 1916-07-11 1916-09-05 Charles P Hoover Process of purifying water.
US2177857A (en) * 1934-12-28 1939-10-31 Guggenheim Brothers Treating sewage
US2128569A (en) * 1935-01-18 1938-08-30 Clarence J Velz Treatment of water and sewage
US2433458A (en) * 1943-03-04 1947-12-30 Infilco Inc Treatment of pickle liquor
US2692229A (en) * 1952-05-05 1954-10-19 Smith Corp A O Disposal of waste pickle liquor
DE1933035B2 (de) * 1969-06-30 1971-04-15 Sud Chemie AG, 8000 München Metallsalze und kieselsaeure enthaltende klaerloesung fuer kommunale oder industielle abwaesser sowie fuer vergleich bare anwendungen
US3511777A (en) * 1969-08-11 1970-05-12 United States Steel Corp Method of neutralizing acid waste water
GB1372358A (en) * 1970-11-20 1974-10-30 Albright & Wilson Treatment of sewage or contaminated water
US3738932A (en) * 1971-04-19 1973-06-12 Bethlehem Steel Corp Method for treating acid water containing metallic values
JPS523508B2 (de) * 1973-03-14 1977-01-28
DE2411346A1 (de) * 1974-03-09 1975-09-18 Metallgesellschaft Ag Verfahren zur aufbereitung von waessrigen sauren schlaemmen
GB1551255A (en) * 1977-02-18 1979-08-30 Jackson B J Water purification
US4388195A (en) * 1979-07-05 1983-06-14 Passavant-Werke Michelbacher Hutte Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents
US4415467A (en) * 1981-03-05 1983-11-15 Colloid Piepho Agent for the purification of waste waters and process for its production
US4448696A (en) * 1982-02-23 1984-05-15 U.S. Environmental Products, Inc. Process for recovering and recycling coagulant present in water treatment sludges
ATE82740T1 (de) * 1989-01-13 1992-12-15 Ind Automation Sondertechnik G Verfahren zur vermeidung von schwermetallsondermuell bei der dekontaminierung natuerlicher und technischer schlaemme, thermischer rueckstaende und boeden.

Also Published As

Publication number Publication date
WO1995011199A1 (en) 1995-04-27
DE69407810T2 (de) 1998-08-27
GR3026541T3 (en) 1998-07-31
CZ116096A3 (en) 1996-12-11
AU7818794A (en) 1995-05-08
SK50196A3 (en) 1997-04-09
EP0724546B1 (de) 1998-01-07
JPH09503992A (ja) 1997-04-22
BR9407883A (pt) 1996-10-29
PL314172A1 (en) 1996-08-19
AU681910B2 (en) 1997-09-11
EP0724546A1 (de) 1996-08-07
GB9321732D0 (en) 1993-12-15
US5800716A (en) 1998-09-01
ZA948158B (en) 1995-07-25
PE22395A1 (es) 1995-08-07
HUT77696A (hu) 1998-07-28
ES2114230T3 (es) 1998-05-16
MY111805A (en) 2001-01-31
CA2174667A1 (en) 1995-04-27
TR28078A (tr) 1995-12-19
HU9601021D0 (en) 1996-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee