GB830419A - Process for the production of hydroxylamine sulphate solutions - Google Patents

Process for the production of hydroxylamine sulphate solutions

Info

Publication number
GB830419A
GB830419A GB1166456A GB1166456A GB830419A GB 830419 A GB830419 A GB 830419A GB 1166456 A GB1166456 A GB 1166456A GB 1166456 A GB1166456 A GB 1166456A GB 830419 A GB830419 A GB 830419A
Authority
GB
United Kingdom
Prior art keywords
acid
exchanger
hydroxylamine
hydrolysis
solution
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
GB1166456A
Inventor
Alfred Schaffler
Friedrich Bach
Gerhar Meier
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.)
Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
Original Assignee
Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
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 to BE546365D priority Critical patent/BE546365A/xx
Priority to DEV10167A priority patent/DE1041929B/en
Priority to CH339913D priority patent/CH339913A/en
Priority to US575879A priority patent/US2845331A/en
Priority to FR1145055D priority patent/FR1145055A/en
Application filed by Leuna Werke GmbH, Leuna Werke Walter Ulbright Germany VEB filed Critical Leuna Werke GmbH
Priority to GB1166456A priority patent/GB830419A/en
Publication of GB830419A publication Critical patent/GB830419A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

<PICT:0830419/III/1> A continuous process for the production of hydroxylamine sulphate by hydrolysis of aqueous solutions of salts of hydroxylamine disulphonic acid in which the hydrolysis reaction is maintained, without the supply of any additional energy for heating and cooling, by transferring heat liberated in the hydrolysis reaction to the aqueous solution of salts of hydroxylamine disulphonic acid to be hydrolysed, by passing the hydrolysed solution leaving the hydrolysis vessel in heat exchange in an acid-proof heat-exchanger, with the aqueous hydroxylamine disulphonate solution entering. An aqueous solution of an alkali metal or ammonium hydroxylamine disulphonate is pumped by 2 from acid-proof lined tank 1 through heat-exchanger 3 made of graphite impregnated and bonded with synthetic resin and steam heater 4 of the same material to acid-proof lined hydrolysation container 5. The hydrolysed solution flows back through exchanger 3 to acid-proof lined collecting tank 6. When the heat transfer in exchanger 3 is sufficient to maintain the hydrolysis, the heater 4 is by-passed by adjusting valve 8, 9. The container 5 should be large enough to give sufficient residence time for hydrolysis. The piping may be porcelain and polyvinyl chloride. Cooler 7 of the same material as exchanger 3 is provided to cooled solution withdrawn on shut-down.
GB1166456A 1956-02-11 1956-04-17 Process for the production of hydroxylamine sulphate solutions Expired GB830419A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE546365D BE546365A (en) 1956-04-17
DEV10167A DE1041929B (en) 1956-02-11 1956-02-11 Process for the preparation of hydroxylamine sulfate solution by stepwise hydrolysis of solutions of hydroxylamine disulfo-acidic salts
CH339913D CH339913A (en) 1956-04-17 1956-02-17 Method and device for the preparation of hydroxylamine sulfate solutions
US575879A US2845331A (en) 1956-04-03 1956-04-03 Process for the production of hydroxyl amine sulfate solutions
FR1145055D FR1145055A (en) 1956-04-17 1956-04-05 Process for preparing solutions of hydroxylamine sulphate and installation for its implementation
GB1166456A GB830419A (en) 1956-04-17 1956-04-17 Process for the production of hydroxylamine sulphate solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1166456A GB830419A (en) 1956-04-17 1956-04-17 Process for the production of hydroxylamine sulphate solutions

Publications (1)

Publication Number Publication Date
GB830419A true GB830419A (en) 1960-03-16

Family

ID=9990409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1166456A Expired GB830419A (en) 1956-02-11 1956-04-17 Process for the production of hydroxylamine sulphate solutions

Country Status (4)

Country Link
BE (1) BE546365A (en)
CH (1) CH339913A (en)
FR (1) FR1145055A (en)
GB (1) GB830419A (en)

Also Published As

Publication number Publication date
CH339913A (en) 1959-07-31
FR1145055A (en) 1957-10-22
BE546365A (en)

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