GB1378044A - Process for purifying sulphuric acid for use in the catalytic synthesis of hydroxylammonium sulphate - Google Patents

Process for purifying sulphuric acid for use in the catalytic synthesis of hydroxylammonium sulphate

Info

Publication number
GB1378044A
GB1378044A GB1070872A GB1070872A GB1378044A GB 1378044 A GB1378044 A GB 1378044A GB 1070872 A GB1070872 A GB 1070872A GB 1070872 A GB1070872 A GB 1070872A GB 1378044 A GB1378044 A GB 1378044A
Authority
GB
United Kingdom
Prior art keywords
acid
active carbon
sulphuric acid
march
purified
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
GB1070872A
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1378044A publication Critical patent/GB1378044A/en
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
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14—Hydroxylamine; Salts thereof
    • C01B21/1409—Preparation
    • C01B21/1418—Preparation by catalytic reduction of nitrogen oxides or nitrates with hydrogen
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1070872A 1971-03-09 1972-03-08 Process for purifying sulphuric acid for use in the catalytic synthesis of hydroxylammonium sulphate Expired GB1378044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2111118A DE2111118C3 (de) 1971-03-09 1971-03-09 Verfahren zur Reinigung von Schwefelsäure für die katalytische Synthese von Hydroxylammoniumsulfat

Publications (1)

Publication Number Publication Date
GB1378044A true GB1378044A (en) 1974-12-18

Family

ID=5800919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1070872A Expired GB1378044A (en) 1971-03-09 1972-03-08 Process for purifying sulphuric acid for use in the catalytic synthesis of hydroxylammonium sulphate

Country Status (10)

Country Link
US (1) US3787563A (https=)
BE (1) BE780103A (https=)
BR (1) BR7200742D0 (https=)
CA (1) CA967722A (https=)
CH (1) CH586161A5 (https=)
DE (1) DE2111118C3 (https=)
FR (1) FR2128662B1 (https=)
GB (1) GB1378044A (https=)
IT (1) IT954344B (https=)
NL (1) NL7203074A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3339067B2 (ja) * 1991-12-25 2002-10-28 住友化学工業株式会社 硫酸アルミニウムの製造方法
US5549833A (en) * 1992-06-11 1996-08-27 Toshin Chemical Industry Co., Ltd. Method of decomposing hydrogen peroxide
JPH0763703B2 (ja) * 1992-06-11 1995-07-12 東信化学工業株式会社 過酸化水素の分解方法
US20200299850A1 (en) * 2019-03-22 2020-09-24 Eco-Tec Limited Processes for treating electrolyte from an electrorefining process

Also Published As

Publication number Publication date
DE2111118B2 (de) 1974-05-02
DE2111118A1 (de) 1972-09-14
CH586161A5 (https=) 1977-03-31
BR7200742D0 (pt) 1973-05-31
NL7203074A (https=) 1972-09-12
FR2128662B1 (https=) 1975-10-24
IT954344B (it) 1973-08-30
DE2111118C3 (de) 1975-01-16
BE780103A (fr) 1972-09-04
FR2128662A1 (https=) 1972-10-20
CA967722A (en) 1975-05-20
US3787563A (en) 1974-01-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee