GB676956A - Improvements relating to the manufacture of ammonium nitrilosulphonate - Google Patents

Improvements relating to the manufacture of ammonium nitrilosulphonate

Info

Publication number
GB676956A
GB676956A GB4816/51A GB481651A GB676956A GB 676956 A GB676956 A GB 676956A GB 4816/51 A GB4816/51 A GB 4816/51A GB 481651 A GB481651 A GB 481651A GB 676956 A GB676956 A GB 676956A
Authority
GB
United Kingdom
Prior art keywords
ammonium
nitrilosulphonate
reactor
sulphur dioxide
liquor
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
GB4816/51A
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.)
Directie van de Staatsmijnen in Limburg
Original Assignee
Directie van de Staatsmijnen in Limburg
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 Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Publication of GB676956A publication Critical patent/GB676956A/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
    • C01B21/1427—Preparation by reduction of nitrogen oxides or nitrites with bisulfite or sulfur dioxide, e.g. by the Raschig process
    • 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
    • C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
    • C01B21/093—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms containing also one or more sulfur atoms
    • C01B21/0935—Imidodisulfonic acid; Nitrilotrisulfonic acid; Salts thereof
    • 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
    • C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
    • C01B21/093—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms containing also one or more sulfur atoms
    • C01B21/096—Amidosulfonic acid; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
GB4816/51A 1950-03-04 1951-02-28 Improvements relating to the manufacture of ammonium nitrilosulphonate Expired GB676956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL292070X 1950-03-04

Publications (1)

Publication Number Publication Date
GB676956A true GB676956A (en) 1952-08-06

Family

ID=19782806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4816/51A Expired GB676956A (en) 1950-03-04 1951-02-28 Improvements relating to the manufacture of ammonium nitrilosulphonate

Country Status (6)

Country Link
US (1) US2686106A (en:Method)
BE (1) BE501649A (en:Method)
CH (1) CH292070A (en:Method)
DE (1) DE852843C (en:Method)
FR (1) FR1042759A (en:Method)
GB (1) GB676956A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374818A (en) * 1980-10-16 1983-02-22 Hoechst Aktiengesellschaft Process for the preparation of alkali metal salts of imidodisulfonic acid
US4378341A (en) * 1980-05-05 1983-03-29 Hoechst Aktiengesellschaft Process for the manufacture of ammonium nitrilotrisulfonate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113526643B (zh) * 2021-07-05 2023-03-17 上海交通大学 一种亚硝酸盐废水的脱氮方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458404A (en) * 1945-06-05 1949-01-04 Du Pont Manufacture of sodium hydroxylamine sulfonates
NL68685C (en:Method) * 1948-11-01 1951-09-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378341A (en) * 1980-05-05 1983-03-29 Hoechst Aktiengesellschaft Process for the manufacture of ammonium nitrilotrisulfonate
US4374818A (en) * 1980-10-16 1983-02-22 Hoechst Aktiengesellschaft Process for the preparation of alkali metal salts of imidodisulfonic acid

Also Published As

Publication number Publication date
BE501649A (en:Method)
CH292070A (de) 1953-07-31
DE852843C (de) 1952-10-20
US2686106A (en) 1954-08-10
FR1042759A (fr) 1953-11-03

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