GB190722957A - Improvements in the Manufacture of Hydrazine. - Google Patents

Improvements in the Manufacture of Hydrazine.

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Publication number
GB190722957A
GB190722957A GB190722957DA GB190722957A GB 190722957 A GB190722957 A GB 190722957A GB 190722957D A GB190722957D A GB 190722957DA GB 190722957 A GB190722957 A GB 190722957A
Authority
GB
United Kingdom
Prior art keywords
hypochlorite
excess
aqueous ammonia
hydrazine
monochloramine
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
Inventor
Friedrich Raschig
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190722957A publication Critical patent/GB190722957A/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

22,957. Raschig, F. Nov. 22, 1906, [date applied for under Patents Act, 1901]. Hydrazine is produced by treating a hypochlorite with excess of aqueous ammonia in the cold and then heating before appreciable decomposition of the monochloramine so formed can take place, or by leading chlorine into aqueous ammonia. In an example, a solution of sodium hypochlorite is treated with excess of aqueous ammonia at a temperature below 15‹ C., and the monochloramine thus produced immediately heated, whereby hydrazine hydrochloride is formed, which can be separated as sulphate, by boiling off the excess of ammonia, and adding sulphuric acid. Any other hypochlorite, such as calcium hypochlorite, may replace the sodium salt used above.
GB190722957D 1906-11-22 1907-10-17 Improvements in the Manufacture of Hydrazine. Expired GB190722957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE190722957X 1906-11-22

Publications (1)

Publication Number Publication Date
GB190722957A true GB190722957A (en) 1907-12-12

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ID=32521059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190722957D Expired GB190722957A (en) 1906-11-22 1907-10-17 Improvements in the Manufacture of Hydrazine.

Country Status (1)

Country Link
GB (1) GB190722957A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675298A (en) * 1950-03-25 1954-04-13 Olin Mathieson Hydrazine manufacture
US2675299A (en) * 1950-04-10 1954-04-13 Olin Mathieson Hydrazine manufacture
US2675300A (en) * 1950-04-10 1954-04-13 Olin Mathieson Hydrazine manufacture
US2710248A (en) * 1950-01-17 1955-06-07 Univ Ohio State Res Found Process of forming hydrazine
US2726935A (en) * 1954-12-22 1955-12-13 Ethyl Corp Manufacture of chloramine
US2837409A (en) * 1954-03-10 1958-06-03 Univ Ohio State Res Found Chloramine process
US2863728A (en) * 1955-10-17 1958-12-09 Univ Ohio State Res Found Production of hydrazine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2710248A (en) * 1950-01-17 1955-06-07 Univ Ohio State Res Found Process of forming hydrazine
US2675298A (en) * 1950-03-25 1954-04-13 Olin Mathieson Hydrazine manufacture
US2675299A (en) * 1950-04-10 1954-04-13 Olin Mathieson Hydrazine manufacture
US2675300A (en) * 1950-04-10 1954-04-13 Olin Mathieson Hydrazine manufacture
US2837409A (en) * 1954-03-10 1958-06-03 Univ Ohio State Res Found Chloramine process
US2726935A (en) * 1954-12-22 1955-12-13 Ethyl Corp Manufacture of chloramine
US2863728A (en) * 1955-10-17 1958-12-09 Univ Ohio State Res Found Production of hydrazine

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