NL8204593A - Werkwijze voor het stabiliseren van verbruikte zwavelzuurstromen. - Google Patents

Werkwijze voor het stabiliseren van verbruikte zwavelzuurstromen. Download PDF

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Publication number
NL8204593A
NL8204593A NL8204593A NL8204593A NL8204593A NL 8204593 A NL8204593 A NL 8204593A NL 8204593 A NL8204593 A NL 8204593A NL 8204593 A NL8204593 A NL 8204593A NL 8204593 A NL8204593 A NL 8204593A
Authority
NL
Netherlands
Prior art keywords
acid
sulfuric acid
electrolysis
zone
spent
Prior art date
Application number
NL8204593A
Other languages
English (en)
Dutch (nl)
Original Assignee
Exxon Research Engineering Co
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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of NL8204593A publication Critical patent/NL8204593A/nl

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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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
NL8204593A 1981-11-25 1982-11-25 Werkwijze voor het stabiliseren van verbruikte zwavelzuurstromen. NL8204593A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32500281 1981-11-25
US06/325,002 US4406760A (en) 1981-11-25 1981-11-25 Electrolytic process for treating sulfuric acid streams

Publications (1)

Publication Number Publication Date
NL8204593A true NL8204593A (nl) 1983-06-16

Family

ID=23266024

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8204593A NL8204593A (nl) 1981-11-25 1982-11-25 Werkwijze voor het stabiliseren van verbruikte zwavelzuurstromen.

Country Status (5)

Country Link
US (1) US4406760A (https=)
JP (1) JPS58104004A (https=)
DE (1) DE3243008C2 (https=)
GB (1) GB2109818B (https=)
NL (1) NL8204593A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534280A (en) * 1987-12-04 1996-07-09 Welch; George Method for dehydration of solid foods
US6818799B2 (en) * 2003-04-17 2004-11-16 Rhodia, Inc. Process for removing tar from spent acid
DE602004019517D1 (de) * 2003-04-17 2009-04-02 Rhodia Verfahren zur reinigung verbrauchter säure
CN110981766B (zh) * 2019-11-22 2023-10-13 湖北广富林生物制剂有限公司 一种处理硝磺草酮生产中废硫酸的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA586878A (en) 1959-11-10 L. Jezl James Regeneration of catalysts
US2390316A (en) * 1942-10-07 1945-12-04 Standard Oil Dev Co Acid recovery process
US2744861A (en) * 1951-12-06 1956-05-08 Charles L Thomas Regeneration of catalysts
US2793181A (en) * 1953-07-16 1957-05-21 Standard Oil Co Electrolytic regeneration of alkylation sulfuric acid
US2793180A (en) * 1953-07-16 1957-05-21 Standard Oil Co Electrolytic regeneration of spent alkylation sulfuric acid
US2793182A (en) * 1953-08-21 1957-05-21 Standard Oil Co Process for the regeneration of spent alkylation sulfuric acid
US2961472A (en) * 1957-12-05 1960-11-22 Polymer Corp Olefin extraction process using vacuum reconcentrated sulfuric acid
US3616337A (en) * 1968-08-22 1971-10-26 Texaco Inc Electrochemical recovery of sulfuric acid
US3856673A (en) * 1973-04-02 1974-12-24 Air Prod & Chem Purification of spent sulfuric acid
US3917521A (en) * 1974-10-23 1975-11-04 Dow Chemical Co Sulfurless electrolytic concentration of aqueous sulfuric acid solutions
CA1059943A (en) * 1976-07-20 1979-08-07 Noranda Mines Limited Electrolytically forming peroxosulfuric acid to oxidize organic material in sulfuric acid
DE2632989A1 (de) * 1976-07-22 1978-02-02 Hoechst Ag Verfahren zum regenerieren von schwefelsaeure

Also Published As

Publication number Publication date
GB2109818B (en) 1985-07-03
JPH0357885B2 (https=) 1991-09-03
JPS58104004A (ja) 1983-06-21
DE3243008A1 (de) 1983-07-07
DE3243008C2 (de) 1995-03-23
GB2109818A (en) 1983-06-08
US4406760A (en) 1983-09-27

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable