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GB1106934A - Improved process for the treatment of residual acid liquors - Google Patents

Improved process for the treatment of residual acid liquors

Info

Publication number
GB1106934A
GB1106934A GB3001165A GB3001165A GB1106934A GB 1106934 A GB1106934 A GB 1106934A GB 3001165 A GB3001165 A GB 3001165A GB 3001165 A GB3001165 A GB 3001165A GB 1106934 A GB1106934 A GB 1106934A
Authority
GB
United Kingdom
Prior art keywords
treatment
improved process
residual acid
liquors
acid liquors
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
GB3001165A
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.)
Omya SAS
Original Assignee
Omya SAS
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 Omya SAS filed Critical Omya SAS
Publication of GB1106934A publication Critical patent/GB1106934A/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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • C02F1/645—Devices for iron precipitation and treatment by air
    • 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
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

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)
  • Paper (AREA)

Abstract

Acid liquors are neutralized by simultaneous treatment with calcium carbonate and a substance more basic than the carbonate, e.g. lime, caustic soda, caustic potash or sodium carbonate. Iron which may be present in the liquors may be oxidized with air.
GB3001165A 1964-07-16 1965-07-15 Improved process for the treatment of residual acid liquors Expired GB1106934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981813A FR1409390A (en) 1964-07-16 1964-07-16 Advanced process for treating acidic wastewater

Publications (1)

Publication Number Publication Date
GB1106934A true GB1106934A (en) 1968-03-20

Family

ID=8834620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3001165A Expired GB1106934A (en) 1964-07-16 1965-07-15 Improved process for the treatment of residual acid liquors

Country Status (3)

Country Link
DE (1) DE1517476A1 (en)
FR (1) FR1409390A (en)
GB (1) GB1106934A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396227B (en) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag Neutralizing agent having depot effect

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT348947B (en) * 1977-03-02 1979-03-12 Voest Ag PROCEDURE FOR NEUTRALIZING ACID RINSING WATERS OR USED PICKLING ACIDS FROM METAL PICKLING
CN113666388B (en) * 2021-08-25 2023-04-07 浙江闰土股份有限公司 Treatment method of dye wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396227B (en) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag Neutralizing agent having depot effect

Also Published As

Publication number Publication date
DE1517476A1 (en) 1969-12-11
FR1409390A (en) 1965-08-27

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