CA1106571A - Procede pour la concentration de solutions diluees d'acide sulfurique - Google Patents

Procede pour la concentration de solutions diluees d'acide sulfurique

Info

Publication number
CA1106571A
CA1106571A CA276,967A CA276967A CA1106571A CA 1106571 A CA1106571 A CA 1106571A CA 276967 A CA276967 A CA 276967A CA 1106571 A CA1106571 A CA 1106571A
Authority
CA
Canada
Prior art keywords
sulfuric acid
solution
concentration
weight
h2so4
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
CA276,967A
Other languages
English (en)
Inventor
Josef Mauer
Hans Steinbach
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.)
Kronos Titan GmbH
Original Assignee
Kronos Titan GmbH
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 Kronos Titan GmbH filed Critical Kronos Titan GmbH
Application granted granted Critical
Publication of CA1106571A publication Critical patent/CA1106571A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Colloid Chemistry (AREA)
  • Catalysts (AREA)
  • Chemically Coating (AREA)
CA276,967A 1976-04-26 1977-04-26 Procede pour la concentration de solutions diluees d'acide sulfurique Expired CA1106571A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2618122.6 1976-04-26
DE2618122A DE2618122C2 (de) 1976-04-26 1976-04-26 Verfahren zur Aufarbeitung verdünnter eisen(II)-sulfathaltiger Schwefelsäurelösungen

Publications (1)

Publication Number Publication Date
CA1106571A true CA1106571A (fr) 1981-08-11

Family

ID=5976225

Family Applications (1)

Application Number Title Priority Date Filing Date
CA276,967A Expired CA1106571A (fr) 1976-04-26 1977-04-26 Procede pour la concentration de solutions diluees d'acide sulfurique

Country Status (4)

Country Link
BE (1) BE853975A (fr)
CA (1) CA1106571A (fr)
DE (1) DE2618122C2 (fr)
NO (1) NO149169C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2311341C1 (ru) * 2006-05-10 2007-11-27 Юрий Борисович Данилов Способ регенерации отработанной серной кислоты
CN104192850A (zh) * 2014-08-18 2014-12-10 连云港正道新能源有限公司 一种蛇纹石处理石墨烯废硫酸液的方法
CN114933284A (zh) * 2022-07-07 2022-08-23 华东理工大学 一种钛白粉生产废酸的浓缩方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736111A1 (de) * 1987-10-26 1989-05-03 Kronos Titan Gmbh Verfahren zur energie- und materialsparenden aufarbeitung der bei der titandioxidherstellung nach dem sulfatverfahren anfallenden duennsaeure
FR2634751B1 (fr) * 1988-07-29 1991-02-08 Metaleurop Sa
CH677921A5 (fr) * 1988-09-26 1991-07-15 Escher Wyss Ag
EP0362428B1 (fr) * 1988-10-06 1992-12-23 KRONOS TITAN-Gesellschaft mbH Procédé et dispositif pour le traitement d'une solution d'acide sulfurique diluée contenant du sulfate ferreux
DE3922105A1 (de) * 1989-07-05 1991-01-17 Bayer Ag Verfahren und vorrichtung zum konzentrieren metallsulfathaltiger schwefelsaeure
GB9816464D0 (en) * 1998-07-30 1998-09-23 Tioxide Group Services Ltd Process for the concentration of dilute sulphuric acid solutions
EP1227098B1 (fr) 1999-09-28 2004-04-28 Otsuka Pharmaceutical Factory, Inc. Derives de triazolopurine, compositions medicamenteuses les contenant et agents a affinite pour le recepteur de l'adenosine a3

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957473C (de) * 1953-06-02 1957-02-07 Bayer Ag Verfahren zum Kristallisieren von Stoffen, die mit verschiedenen Mengen Kristallwasser kristallisieren koennen, in kristallwasserfreier oder kristallwasserarmer Form
DE1131193B (de) * 1960-10-14 1962-06-14 Bayer Ag Verfahren zum Einengen und Entsalzen verduennter, salzhaltiger Schwefelsaeure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2311341C1 (ru) * 2006-05-10 2007-11-27 Юрий Борисович Данилов Способ регенерации отработанной серной кислоты
CN104192850A (zh) * 2014-08-18 2014-12-10 连云港正道新能源有限公司 一种蛇纹石处理石墨烯废硫酸液的方法
CN114933284A (zh) * 2022-07-07 2022-08-23 华东理工大学 一种钛白粉生产废酸的浓缩方法

Also Published As

Publication number Publication date
BE853975A (fr) 1977-08-16
NO770863L (no) 1977-10-27
NO149169C (no) 1984-02-29
DE2618122C2 (de) 1984-10-04
DE2618122A1 (de) 1977-11-10
NO149169B (no) 1983-11-21

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Legal Events

Date Code Title Description
MKEX Expiry