DE68904760T2 - Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd. - Google Patents

Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd.

Info

Publication number
DE68904760T2
DE68904760T2 DE1989604760 DE68904760T DE68904760T2 DE 68904760 T2 DE68904760 T2 DE 68904760T2 DE 1989604760 DE1989604760 DE 1989604760 DE 68904760 T DE68904760 T DE 68904760T DE 68904760 T2 DE68904760 T2 DE 68904760T2
Authority
DE
Germany
Prior art keywords
peroxyd
regeneration
hydrogen
sulfuric acids
exhausted sulfuric
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 - Fee Related
Application number
DE1989604760
Other languages
English (en)
Other versions
DE68904760D1 (de
Inventor
Alberto Villanti
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.)
Tessenderlo Italia SRL
Original Assignee
Enichem Sintesi SpA
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 IT8822988A external-priority patent/IT1228048B/it
Priority claimed from IT02200689A external-priority patent/IT1236935B/it
Application filed by Enichem Sintesi SpA filed Critical Enichem Sintesi SpA
Application granted granted Critical
Publication of DE68904760D1 publication Critical patent/DE68904760D1/de
Publication of DE68904760T2 publication Critical patent/DE68904760T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C01B17/905—Removal of organic impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1989604760 1988-12-16 1989-12-13 Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd. Expired - Fee Related DE68904760T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8822988A IT1228048B (it) 1988-12-16 1988-12-16 Procedimento per il trattamento di acido solforico spento
IT02200689A IT1236935B (it) 1989-10-12 1989-10-12 Impiego di anidride solforica o di oleum nella rigenerazione con acqua ossigenata di acido solforico spento.

Publications (2)

Publication Number Publication Date
DE68904760D1 DE68904760D1 (de) 1993-03-18
DE68904760T2 true DE68904760T2 (de) 1993-07-01

Family

ID=26328064

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989604760 Expired - Fee Related DE68904760T2 (de) 1988-12-16 1989-12-13 Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd.

Country Status (3)

Country Link
EP (1) EP0378873B1 (de)
DE (1) DE68904760T2 (de)
GR (1) GR3007179T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2105969B1 (es) * 1995-07-14 1998-07-01 Gen Quimica S A Procedimiento para la recuperacion de acido sulfurico a partir de corrientes residuales de sulfurico de mediana concentracion contaminadas con materia organica.
FR2772014B1 (fr) * 1997-12-08 2000-01-07 Atochem Elf Sa Generation de trifluorure de bore et d'acide sulfurique a partir d'hydrate de trifluorure de bore
DE102005049084A1 (de) 2005-10-13 2007-04-26 Wacker Chemie Ag Verfahren zur Regenerierung von Schwefelsäure
CN103172035A (zh) * 2013-03-27 2013-06-26 刘立文 一种利用双氧水对硫酸进行脱色的方法
CN104876193A (zh) * 2015-06-02 2015-09-02 南京鹳山化工科技有限公司 一种1,4-丁二醇生产过程中产生的废硫酸的处理方法
CN108622863A (zh) * 2018-05-06 2018-10-09 山东聊城鲁西化工第六化肥有限公司 一种含有机物废硫酸处理方法
CN111517289A (zh) * 2020-06-11 2020-08-11 常州清立环能化工科技有限公司 一种废硫酸处理系统及处理方法
CN115321491A (zh) * 2022-07-06 2022-11-11 宜宾海丰和锐有限公司 连续处理乙炔清净废硫酸臭味的方法
CN115260073A (zh) * 2022-08-31 2022-11-01 中国天辰工程有限公司 一种无硫酸铵副产重排工艺制备月桂精内酰胺的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856673A (en) * 1973-04-02 1974-12-24 Air Prod & Chem Purification of spent sulfuric acid
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.
GB2110681B (en) * 1981-11-25 1985-08-07 Exxon Research Engineering Co Process for treating spent sulfuric acid streams from the olefin hydration reaction
CH654282A5 (de) * 1983-02-09 1986-02-14 Bertrams Ag Verfahren und einrichtung zum konzentrieren und reinigen von organische verunreinigungen enthaltender schwefelsaeure.

Also Published As

Publication number Publication date
EP0378873B1 (de) 1993-02-03
EP0378873A1 (de) 1990-07-25
DE68904760D1 (de) 1993-03-18
GR3007179T3 (de) 1993-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TESSENDERLO ITALIA S.R.L., MAILAND, MILANO, IT

8339 Ceased/non-payment of the annual fee