CH584658A5 - - Google Patents

Info

Publication number
CH584658A5
CH584658A5 CH807174A CH807174A CH584658A5 CH 584658 A5 CH584658 A5 CH 584658A5 CH 807174 A CH807174 A CH 807174A CH 807174 A CH807174 A CH 807174A CH 584658 A5 CH584658 A5 CH 584658A5
Authority
CH
Switzerland
Application number
CH807174A
Original Assignee
Inst Francais Du Petrole
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 FR7324127A external-priority patent/FR2236791A1/fr
Priority claimed from FR7343318A external-priority patent/FR2252986A2/fr
Priority claimed from FR7408095A external-priority patent/FR2263200A2/fr
Application filed by Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of CH584658A5 publication Critical patent/CH584658A5/xx

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
    • 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
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treating Waste Gases (AREA)
CH807174A 1973-06-29 1974-06-13 CH584658A5 (it)

Applications Claiming Priority (3)

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
FR7343318A FR2252986A2 (en) 1973-12-04 1973-12-04 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon
FR7408095A FR2263200A2 (en) 1974-03-06 1974-03-06 Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon

Publications (1)

Publication Number Publication Date
CH584658A5 true CH584658A5 (it) 1977-02-15

Family

ID=27250142

Family Applications (1)

Application Number Title Priority Date Filing Date
CH807174A CH584658A5 (it) 1973-06-29 1974-06-13

Country Status (7)

Country Link
US (1) US3935100A (it)
JP (1) JPS5049865A (it)
CA (1) CA1033083A (it)
CH (1) CH584658A5 (it)
DE (1) DE2429994A1 (it)
IT (1) IT1030587B (it)
NL (1) NL7408714A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289245A (en) * 1976-01-22 1977-07-26 Nittetsu Kakoki Kk Method of treating organic waste solution containing ammonium groups and sulfuric acid groups
US4078048A (en) * 1977-02-16 1978-03-07 Combustion Equipment Associates, Inc. Process and apparatus for removing sulfur from stack gases in the form of elemental sulfur
JPS56110372U (it) * 1980-01-25 1981-08-26
US5035807A (en) * 1989-03-15 1991-07-30 Csir Water treatment for sulfate ion removal
DE4130676A1 (de) * 1991-09-14 1993-04-08 Solvay Barium Strontium Gmbh Aufarbeitung von rueckstaenden der barium- oder strontiumsulfid-laugerei
DE4325803A1 (de) * 1993-07-31 1995-02-02 Bruno Bachhofer Verfahren zur Aufbereitung von organisch belastetem Wasser
FR2722773B1 (fr) * 1994-07-25 1996-10-04 Rhone Poulenc Chimie Utilisation du sulfure de baryum ou du sulfure de strontium pour l'elimination de metaux lourds dans les solutions sulfuriques industrielles et procede d'elimination employant ces reactifs
WO1999043619A1 (de) * 1998-02-28 1999-09-02 Klein Schell Hans Peter Verfahren zur behandlung von goldminenabwässern mit dem ziel der trinkwassergewinnung
DE50014560D1 (de) 1999-08-27 2007-09-27 Lanxess Deutschland Gmbh Verfahren zur Herstellung von monodispersen, vernetzten Perlpolymerisaten mit Thioharnstoffgruppen und ihre Verwendung zur Adsorption von Metallverbindungen
DE102010063325A1 (de) * 2010-12-17 2012-06-21 Sachtleben Chemie Gmbh Verfahren zur Herstellung von Bariumsulfat
US9505639B2 (en) 2010-12-22 2016-11-29 Schlumberger Technology Corporation Sulfate molecule removal through inorganic or divalent ion nuclei seeding
CN111825238B (zh) * 2020-07-07 2022-05-06 山东绿知源环保工程有限公司 膜法资源化处理稀硫酸的方法及其装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US624041A (en) * 1899-05-02 Charles b
US1557188A (en) * 1921-01-19 1925-10-13 James A Newlands Process of purifying waste waters
US1959305A (en) * 1932-07-08 1934-05-15 William R Jeavons Process and apparatus for recovering barium sulphate from barytes
US2094902A (en) * 1935-02-25 1937-10-05 Firm Sachtleben Ag Fur Bergbau Process of producing barium sulphate from barium sulphide
US2863732A (en) * 1955-02-04 1958-12-09 Sun Oil Co Water treatment
US3784680A (en) * 1971-12-01 1974-01-08 Basic Inc Cyclical process for recovery of elemental sulfur from waste gases

Also Published As

Publication number Publication date
JPS5049865A (it) 1975-05-02
DE2429994A1 (de) 1975-01-09
NL7408714A (it) 1974-12-31
US3935100A (en) 1976-01-27
IT1030587B (it) 1979-04-10
CA1033083A (fr) 1978-06-13

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Legal Events

Date Code Title Description
PL Patent ceased