GB306046A - - Google Patents

Info

Publication number
GB306046A
GB306046A GB5006/29A GB500629A GB306046A GB 306046 A GB306046 A GB 306046A GB 5006/29 A GB5006/29 A GB 5006/29A GB 500629 A GB500629 A GB 500629A GB 306046 A GB306046 A GB 306046A
Authority
GB
United Kingdom
Prior art keywords
calcium
alkali
nitrate
treated
nitrates
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
GB5006/29A
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
Publication of GB306046A publication Critical patent/GB306046A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C5/00—Fertilisers containing other nitrates
    • C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B3/00—Fertilisers based essentially on di-calcium phosphate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

306,046. Jost, F. Feb. 14, 1928, [Conven. tion date]. Manures.-Alkali chlorides, for instance sodium chloride, are treated with phosphoric acid to obtain alkali phosphates and the latter treated with calcium nitrate to produce alkali nitrates and calcium phosphate, which are separately recovered. lf excess of calcium nitrate is used a mixture of alkali and calcium nitrates for use as a fertilizer may be obtained. The c calcium phosphate may be treated with sulphuric acid to obtain the phosphoric acid used in the process and the calcium sulphate also formed be converted first to calcium carbonate with ammonia and carbon dioxide and then to nitrate, for use in the process, with nitric acid with recovery of carbon dioxide ; alternatively the calcium phosphate may be treated with nitric acid, and the mixed solution of phosphoric acid and calcium nitrate obtained be used to obtain alkali nitrate from the chloride in a single treatment. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter :-a fertilizer consisting of a mixture of alkali and calcium nitrates with alkali phosphate. This subject-matter does not appear in the Specification as accepted.
GB5006/29A 1928-02-14 1929-02-14 Expired GB306046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE306046T 1928-02-14

Publications (1)

Publication Number Publication Date
GB306046A true GB306046A (en) 1930-04-17

Family

ID=31894439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5006/29A Expired GB306046A (en) 1928-02-14 1929-02-14

Country Status (1)

Country Link
GB (1) GB306046A (en)

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