WO2006108195A3 - Process for the removal of cobalt from fischer-tropsch process water - Google Patents

Process for the removal of cobalt from fischer-tropsch process water Download PDF

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Publication number
WO2006108195A3
WO2006108195A3 PCT/ZA2006/000049 ZA2006000049W WO2006108195A3 WO 2006108195 A3 WO2006108195 A3 WO 2006108195A3 ZA 2006000049 W ZA2006000049 W ZA 2006000049W WO 2006108195 A3 WO2006108195 A3 WO 2006108195A3
Authority
WO
WIPO (PCT)
Prior art keywords
cobalt
fischer
removal
tropsch
process water
Prior art date
Application number
PCT/ZA2006/000049
Other languages
French (fr)
Other versions
WO2006108195A2 (en
Inventor
Cyril David Knottenbelt
Johannes Lodewikus Furstenburg
Original Assignee
Pet Oil & Gas Corp S Africa
Statoil Asa
Cyril David Knottenbelt
Johannes Lodewikus Furstenburg
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 Pet Oil & Gas Corp S Africa, Statoil Asa, Cyril David Knottenbelt, Johannes Lodewikus Furstenburg filed Critical Pet Oil & Gas Corp S Africa
Publication of WO2006108195A2 publication Critical patent/WO2006108195A2/en
Publication of WO2006108195A3 publication Critical patent/WO2006108195A3/en

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
    • 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

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)
  • Catalysts (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention provides a process and a plant for reducing cobalt content contained in Low Temperature Fisher-Tropsch process water. The process includes the steps of: adding a hydroxide salt or solution to the Low Temperature Fisher-Tropsch process water to form cobalt hydroxide precipitate; allowing the hydroxide precipitate to settle; and separating the supernatant with reduced cobalt from the precipitate.
PCT/ZA2006/000049 2005-04-04 2006-04-03 Process for the removal of cobalt from fischer-tropsch process water WO2006108195A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66799105P 2005-04-04 2005-04-04
ZA2005/2690 2005-04-04
ZA200502690 2005-04-04
US60/667,991 2005-04-04

Publications (2)

Publication Number Publication Date
WO2006108195A2 WO2006108195A2 (en) 2006-10-12
WO2006108195A3 true WO2006108195A3 (en) 2006-12-07

Family

ID=36968988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2006/000049 WO2006108195A2 (en) 2005-04-04 2006-04-03 Process for the removal of cobalt from fischer-tropsch process water

Country Status (1)

Country Link
WO (1) WO2006108195A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1392803B1 (en) * 2009-01-30 2012-03-23 Eni Spa PROCESS FOR THE PURIFICATION OF AN AQUEOUS CURRENT COMING FROM THE FISCHER-TROPSCH REACTION

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354478A (en) * 1993-06-09 1994-10-11 Morton International, Inc. Alkali metal borohydride/anionic polymer solutions
EP0666108A1 (en) * 1994-02-07 1995-08-09 Novaol S.r.l. Process for recovering and re-using cobalt and tungsten from reaction liquors
US6340420B1 (en) * 1998-07-06 2002-01-22 Rpc Inc. Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids
WO2002022897A1 (en) * 2000-09-15 2002-03-21 Commonwealth Scientific And Industrial Research Organisation Recovery of nickel and cobalt from leach solutions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354478A (en) * 1993-06-09 1994-10-11 Morton International, Inc. Alkali metal borohydride/anionic polymer solutions
EP0666108A1 (en) * 1994-02-07 1995-08-09 Novaol S.r.l. Process for recovering and re-using cobalt and tungsten from reaction liquors
US6340420B1 (en) * 1998-07-06 2002-01-22 Rpc Inc. Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids
WO2002022897A1 (en) * 2000-09-15 2002-03-21 Commonwealth Scientific And Industrial Research Organisation Recovery of nickel and cobalt from leach solutions

Also Published As

Publication number Publication date
WO2006108195A2 (en) 2006-10-12

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