BR0213525A - Processo para a purificação parcial de água de reservatório - Google Patents

Processo para a purificação parcial de água de reservatório

Info

Publication number
BR0213525A
BR0213525A BR0213525-6A BR0213525A BR0213525A BR 0213525 A BR0213525 A BR 0213525A BR 0213525 A BR0213525 A BR 0213525A BR 0213525 A BR0213525 A BR 0213525A
Authority
BR
Brazil
Prior art keywords
reservoir water
partial purification
treated
clarified
water
Prior art date
Application number
BR0213525-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Dennis H Michalski
Kenneth J Jardine
Vaughn V Astley
Original Assignee
Imc Global Operations Inc
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
Priority claimed from US10/082,841 external-priority patent/US6758977B2/en
Application filed by Imc Global Operations Inc filed Critical Imc Global Operations Inc
Publication of BR0213525A publication Critical patent/BR0213525A/pt

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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2101/105—Phosphorus 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
    • C02F2101/12—Halogens or halogen-containing compounds
    • C02F2101/14—Fluorine or fluorine-containing compounds

Landscapes

  • Chemical & Material Sciences (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)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
BR0213525-6A 2001-10-25 2002-10-22 Processo para a purificação parcial de água de reservatório BR0213525A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US35335901P 2001-10-25 2001-10-25
US10/082,841 US6758977B2 (en) 2001-10-25 2002-02-21 Purification of phosphoric acid plant pond water
US10/082,564 US6758976B2 (en) 2001-10-25 2002-02-21 Simplified purification of phosphoric acid plant pond water
PCT/US2002/033775 WO2003035557A1 (fr) 2001-10-25 2002-10-22 Purification d'eau de bassin d'installation contenant de l'acide phosphorique

Publications (1)

Publication Number Publication Date
BR0213525A true BR0213525A (pt) 2004-10-19

Family

ID=27374296

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0213525-6A BR0213525A (pt) 2001-10-25 2002-10-22 Processo para a purificação parcial de água de reservatório

Country Status (7)

Country Link
EP (1) EP1438264A1 (fr)
CN (1) CN1608034A (fr)
BR (1) BR0213525A (fr)
CA (1) CA2463361A1 (fr)
IL (1) IL161385A0 (fr)
MA (1) MA26396A1 (fr)
WO (1) WO2003035557A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100383057C (zh) * 2005-08-31 2008-04-23 刘天暘 去除磷酸所含杂质的方法和该方法所用的沉淀净化剂
US8206592B2 (en) 2005-12-15 2012-06-26 Siemens Industry, Inc. Treating acidic water
CN106746088A (zh) * 2016-12-23 2017-05-31 程艳青 一种含氟工业污水的处理系统及处理工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171342A (en) * 1974-04-03 1979-10-16 Occidental Chemical Company Recovery of calcium fluoride from phosphate operation waste water
CA1045258A (fr) * 1974-04-03 1978-12-26 Ronald J. Hirko Recuperation du fluor et des phosphates dans les eaux usees
US5316748A (en) * 1991-03-14 1994-05-31 Palm Gordon F Phosphoric acid manufacturing with converted waters

Also Published As

Publication number Publication date
CN1608034A (zh) 2005-04-20
WO2003035557A1 (fr) 2003-05-01
EP1438264A1 (fr) 2004-07-21
CA2463361A1 (fr) 2003-05-01
MA26396A1 (fr) 2004-12-01
IL161385A0 (en) 2004-09-27

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]