FR2058618A5 - Boron removal from alkali solutions - Google Patents

Boron removal from alkali solutions

Info

Publication number
FR2058618A5
FR2058618A5 FR6931762A FR6931762A FR2058618A5 FR 2058618 A5 FR2058618 A5 FR 2058618A5 FR 6931762 A FR6931762 A FR 6931762A FR 6931762 A FR6931762 A FR 6931762A FR 2058618 A5 FR2058618 A5 FR 2058618A5
Authority
FR
France
Prior art keywords
alkali solutions
boron removal
separation
boron
ppt
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
Application number
FR6931762A
Other languages
French (fr)
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR6931762A priority Critical patent/FR2058618A5/en
Application granted granted Critical
Publication of FR2058618A5 publication Critical patent/FR2058618A5/en
Expired 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
    • C02F1/66—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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

Boron is removed from alkaline solutions by adjustment to pH 9.5, separation of the ppt formed, addition of a calcium salt and oxygenated water (the pH being maintained at 9.5) and separation of the ppt from the purified solution, which is suitable for discharge into public waters.
FR6931762A 1969-09-18 1969-09-18 Boron removal from alkali solutions Expired FR2058618A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6931762A FR2058618A5 (en) 1969-09-18 1969-09-18 Boron removal from alkali solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6931762A FR2058618A5 (en) 1969-09-18 1969-09-18 Boron removal from alkali solutions

Publications (1)

Publication Number Publication Date
FR2058618A5 true FR2058618A5 (en) 1971-05-28

Family

ID=9040260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6931762A Expired FR2058618A5 (en) 1969-09-18 1969-09-18 Boron removal from alkali solutions

Country Status (1)

Country Link
FR (1) FR2058618A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052496A1 (en) * 1980-11-13 1982-05-26 ISTITUTO GUIDO DONEGANI S.p.A. Process for removing soluble boron compounds from aqueous effluents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052496A1 (en) * 1980-11-13 1982-05-26 ISTITUTO GUIDO DONEGANI S.p.A. Process for removing soluble boron compounds from aqueous effluents
US4402835A (en) * 1980-11-13 1983-09-06 Istituto Guido Donegani S.P.A. Process for removing soluble boron compounds from aqueous effluents

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Legal Events

Date Code Title Description
ST Notification of lapse