FR2236791A1 - Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon - Google Patents

Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon

Info

Publication number
FR2236791A1
FR2236791A1 FR7324127A FR7324127A FR2236791A1 FR 2236791 A1 FR2236791 A1 FR 2236791A1 FR 7324127 A FR7324127 A FR 7324127A FR 7324127 A FR7324127 A FR 7324127A FR 2236791 A1 FR2236791 A1 FR 2236791A1
Authority
FR
France
Prior art keywords
barium sulphide
carbon
sulphuric acid
sulphate
solid
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.)
Granted
Application number
FR7324127A
Other languages
English (en)
Other versions
FR2236791B1 (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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7324127A priority Critical patent/FR2236791A1/fr
Priority to BE1006016A priority patent/BE816152A/fr
Priority to CH807174A priority patent/CH584658A5/xx
Priority to DE2429994A priority patent/DE2429994A1/de
Priority to NL7408714A priority patent/NL7408714A/xx
Priority to CA203,678A priority patent/CA1033083A/fr
Priority to IT7424535A priority patent/IT1030587B/it
Priority to JP49074900A priority patent/JPS5049865A/ja
Priority to US05/484,228 priority patent/US3935100A/en
Publication of FR2236791A1 publication Critical patent/FR2236791A1/fr
Application granted granted Critical
Publication of FR2236791B1 publication Critical patent/FR2236791B1/fr
Granted 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7324127A 1973-06-29 1973-06-29 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon Granted FR2236791A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7324127A FR2236791A1 (en) 1973-06-29 1973-06-29 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon
BE1006016A BE816152A (fr) 1973-06-29 1974-06-11 Procede de traitement des eaux residuaires contenant de l'acide sulfurique et/ou du sulfate d'ammonium
CH807174A CH584658A5 (fr) 1973-06-29 1974-06-13
DE2429994A DE2429994A1 (de) 1973-06-29 1974-06-22 Verfahren zur behandlung von abwaessern, die schwefelsaeure und/oder ammoniumsulfat enthalten
NL7408714A NL7408714A (fr) 1973-06-29 1974-06-27
CA203,678A CA1033083A (fr) 1973-06-29 1974-06-28 Traitement des eaux contenant de l'acide sulfurique et/ou du sulfate d'ammonium par le sulfure de baryum
IT7424535A IT1030587B (it) 1973-06-29 1974-06-28 Procedimento di trattamento delle acque residue contenenti acido so forico e.o solfato d ammonio
JP49074900A JPS5049865A (fr) 1973-06-29 1974-06-28
US05/484,228 US3935100A (en) 1973-06-29 1974-06-28 Process for the treatment of waste waters containing sulfuric acid and/or ammonium sulfate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7324127A FR2236791A1 (en) 1973-06-29 1973-06-29 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon

Publications (2)

Publication Number Publication Date
FR2236791A1 true FR2236791A1 (en) 1975-02-07
FR2236791B1 FR2236791B1 (fr) 1978-03-24

Family

ID=9121866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324127A Granted FR2236791A1 (en) 1973-06-29 1973-06-29 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon

Country Status (2)

Country Link
BE (1) BE816152A (fr)
FR (1) FR2236791A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115676868A (zh) * 2022-10-25 2023-02-03 河北誉东涂料有限公司 从固废含钡盐泥中回收硫酸钡的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394470A (en) * 1944-06-08 1946-02-05 Nat Lead Co Recovery of waste sulphuric acid liquors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394470A (en) * 1944-06-08 1946-02-05 Nat Lead Co Recovery of waste sulphuric acid liquors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115676868A (zh) * 2022-10-25 2023-02-03 河北誉东涂料有限公司 从固废含钡盐泥中回收硫酸钡的方法

Also Published As

Publication number Publication date
FR2236791B1 (fr) 1978-03-24
BE816152A (fr) 1974-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse