IT9020552A0 - - Google Patents

Info

Publication number
IT9020552A0
IT9020552A0 IT20552A IT2055290A IT9020552A0 IT 9020552 A0 IT9020552 A0 IT 9020552A0 IT 20552 A IT20552 A IT 20552A IT 2055290 A IT2055290 A IT 2055290A IT 9020552 A0 IT9020552 A0 IT 9020552A0
Authority
IT
Italy
Application number
IT20552A
Other languages
Italian (it)
Other versions
IT1248696B (it
IT9020552A1 (it
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 filed Critical
Priority to IT02055290A priority Critical patent/IT1248696B/it
Publication of IT9020552A0 publication Critical patent/IT9020552A0/it
Priority to EP91201325A priority patent/EP0460745A1/en
Publication of IT9020552A1 publication Critical patent/IT9020552A1/it
Application granted granted Critical
Publication of IT1248696B publication Critical patent/IT1248696B/it

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
    • C01B17/94—Recovery from nitration acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT02055290A 1990-06-05 1990-06-05 Procedimento per la rigenerazione mediante acqua ossigenata di acido solforico spento da reazioni di nitrazione IT1248696B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT02055290A IT1248696B (it) 1990-06-05 1990-06-05 Procedimento per la rigenerazione mediante acqua ossigenata di acido solforico spento da reazioni di nitrazione
EP91201325A EP0460745A1 (en) 1990-06-05 1991-05-31 Process for regenerating, by means of hydrogen peroxide, spent sulphuric acid from nitration reactions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02055290A IT1248696B (it) 1990-06-05 1990-06-05 Procedimento per la rigenerazione mediante acqua ossigenata di acido solforico spento da reazioni di nitrazione

Publications (3)

Publication Number Publication Date
IT9020552A0 true IT9020552A0 (en, 2012) 1990-06-05
IT9020552A1 IT9020552A1 (it) 1991-12-05
IT1248696B IT1248696B (it) 1995-01-26

Family

ID=11168674

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02055290A IT1248696B (it) 1990-06-05 1990-06-05 Procedimento per la rigenerazione mediante acqua ossigenata di acido solforico spento da reazioni di nitrazione

Country Status (2)

Country Link
EP (1) EP0460745A1 (en, 2012)
IT (1) IT1248696B (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2134270C (en) * 1994-10-25 2005-07-26 Drew John Drexler Nox destruction in sulphuric acid
DE19963509A1 (de) * 1999-12-28 2001-07-05 Merck Patent Gmbh Verfahren zur Herstellung hochreiner Schwefelsäure
CN115260073B (zh) * 2022-08-31 2024-09-20 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2020867C3 (de) * 1970-04-29 1979-07-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung reiner verdünnter Schwefelsäure aus Abfallsäuren
US3856673A (en) * 1973-04-02 1974-12-24 Air Prod & Chem Purification of spent sulfuric acid

Also Published As

Publication number Publication date
IT1248696B (it) 1995-01-26
EP0460745A1 (en) 1991-12-11
IT9020552A1 (it) 1991-12-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530