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FR2348149A1 - Procede de regeneration d'acide sulfurique residuaire - Google Patents

Procede de regeneration d'acide sulfurique residuaire

Info

Publication number
FR2348149A1
FR2348149A1 FR7711389A FR7711389A FR2348149A1 FR 2348149 A1 FR2348149 A1 FR 2348149A1 FR 7711389 A FR7711389 A FR 7711389A FR 7711389 A FR7711389 A FR 7711389A FR 2348149 A1 FR2348149 A1 FR 2348149A1
Authority
FR
France
Prior art keywords
sulfuric acid
regeneration process
acid regeneration
residual sulfuric
residual
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.)
Withdrawn
Application number
FR7711389A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2348149A1 publication Critical patent/FR2348149A1/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7711389A 1976-04-15 1977-04-15 Procede de regeneration d'acide sulfurique residuaire Withdrawn FR2348149A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762616768 DE2616768C3 (de) 1976-04-15 1976-04-15 Verfahren zur Regeneration von Abfallschwefelsäure

Publications (1)

Publication Number Publication Date
FR2348149A1 true FR2348149A1 (fr) 1977-11-10

Family

ID=5975511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711389A Withdrawn FR2348149A1 (fr) 1976-04-15 1977-04-15 Procede de regeneration d'acide sulfurique residuaire

Country Status (4)

Country Link
JP (1) JPS52126693A (fr)
DE (1) DE2616768C3 (fr)
FR (1) FR2348149A1 (fr)
GB (1) GB1561604A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740405A1 (de) * 1977-09-08 1979-03-29 Hoechst Ag Vorrichtung zum bestimmen des redoxpotentials beim regenerieren von verunreinigter wasserhaltiger abfallschwefelsaeure in pauling-apparaturen
DE2942545A1 (de) * 1979-10-20 1981-06-04 Riedel-De Haen Ag, 3016 Seelze Verfahren zur herstellung einer gereinigten oxidationsbestaendigen anorganischen saeure und danach erhaltene saeure
JP2013095640A (ja) * 2011-11-01 2013-05-20 Mitsubishi Gas Chemical Co Inc 有機物を含有する硫酸を連続的に再生する方法
IL236365A0 (en) * 2014-12-21 2015-04-30 Melodea Ltd Recycling of acid from acid-rich aqueous solutions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR708882A (fr) * 1930-01-06 1931-07-29 Wacker Chemie Gmbh Concentration et régénération simultanée des solutions, déchets acides, etc., contenant des acides oxygénés de soufre
DE1079606B (de) * 1956-11-27 1960-04-14 Harry Pauling Dipl Ing Verfahren zur Regenerierung verduennter Schwefelsaeuren
FR2233280A1 (fr) * 1973-06-14 1975-01-10 Hoechst Ag
FR2253707A1 (fr) * 1973-12-06 1975-07-04 Hoechst Ag
FR2267980A1 (en) * 1974-04-16 1975-11-14 Ici Ltd Purifying sulphuric acid contg. org. sulphonic acids - as contaminants by concn., reaction with nitric acid and distn.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR708882A (fr) * 1930-01-06 1931-07-29 Wacker Chemie Gmbh Concentration et régénération simultanée des solutions, déchets acides, etc., contenant des acides oxygénés de soufre
DE1079606B (de) * 1956-11-27 1960-04-14 Harry Pauling Dipl Ing Verfahren zur Regenerierung verduennter Schwefelsaeuren
FR2233280A1 (fr) * 1973-06-14 1975-01-10 Hoechst Ag
FR2253707A1 (fr) * 1973-12-06 1975-07-04 Hoechst Ag
FR2267980A1 (en) * 1974-04-16 1975-11-14 Ici Ltd Purifying sulphuric acid contg. org. sulphonic acids - as contaminants by concn., reaction with nitric acid and distn.

Also Published As

Publication number Publication date
DE2616768C3 (de) 1978-12-07
DE2616768A1 (de) 1977-10-20
GB1561604A (en) 1980-02-27
JPS52126693A (en) 1977-10-24
DE2616768B2 (de) 1978-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse