GB356759A - Process for the production of mixed salts containing ammoniacal and nitrate-nitrogen jointly - Google Patents

Process for the production of mixed salts containing ammoniacal and nitrate-nitrogen jointly

Info

Publication number
GB356759A
GB356759A GB7003/30A GB700330A GB356759A GB 356759 A GB356759 A GB 356759A GB 7003/30 A GB7003/30 A GB 7003/30A GB 700330 A GB700330 A GB 700330A GB 356759 A GB356759 A GB 356759A
Authority
GB
United Kingdom
Prior art keywords
nitrate
ammonia
ammonium nitrate
solution
ammonium
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
GB7003/30A
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.)
Ruhrchemie AG
Original Assignee
Ruhrchemie 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 Ruhrchemie AG filed Critical Ruhrchemie AG
Publication of GB356759A publication Critical patent/GB356759A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)

Abstract

Mixed salts containing both ammoniacal and nitrate nitrogen are made by treating ammonium nitrate in the solid or hydrated state with liquid or gaseous ammonia to form a solid or liquid solution of the salt therein, and then neutralizing the ammonia with acids such as sulphuric or phosphoric, acid anhydrides, acid salts such as potassium bisulphate, or mixtures thereof. A dry product is obtained from aqueous solutions by controlling the water content so that the heat of neutralization effects a complete evaporation. The ratio of nitrate to ammoniacal nitrogen can be predetermined by varying the pressure and temperature employed and hence the composition of the initial solution. According to examples, a solution of ammonium nitrate in ammonia is led into a suspension of ammonium sulphate in ammonium nitrate melt, aqueous sulphuric acid being supplied simultaneously. Substantially dry ammonium sulphate nitrate is obtained. The same product is made by spraying a solution of ammonium nitrate in ammonia, and aqueous sulphuric acid from concentric nozzles. The Specification as open to inspection under Sect. 91 (3) (a) includes the production of ammonium nitrate by using nitric acid for the neutralization. This subject-matter does not appear in the Specification as accepted.ALSO:Mixed salts containing both ammoniacal and nitrate nitrogen are made by treating ammonium nitrate in the solid or hydrated state with liquid or gaseous ammonia to form a solid or liquid solution of the salt therein, and then neutralizing the ammonia with acids such as sulphuric or phosphoric, acid anhydrides, acid salts such as potassium bisulphate, or mixtures thereof. A dry product is obtained from aqueous solutions by controlling the water content so that the heat of neutralization effects a complete evaporation. The ratio of nitrate to ammoniacal nitrogen can be predetermined by varying the pressure and temperature employed and hence the composition of the initial solution. According to examples, a solution of ammonium nitrate in ammonia is led into a suspension of ammonium sulphate in ammonium nitrate melt, aqueous sulphuric acid being supplied simultaneously. Substantially dry ammonium sulphate nitrate is obtained. The same product is made by spraying a solution of ammonium nitrate in ammonia, and aqueous sulphuric acid from concentric nozzles. The Specification as open to inspection under Sect. 91 (3) (a) includes the production of ammonium nitrate by using nitric acid for the neutralization. This subject-matter does not appear in the Specification as accepted.
GB7003/30A 1929-03-02 1930-03-03 Process for the production of mixed salts containing ammoniacal and nitrate-nitrogen jointly Expired GB356759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE45637X 1929-03-02

Publications (1)

Publication Number Publication Date
GB356759A true GB356759A (en) 1931-09-03

Family

ID=5625056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7003/30A Expired GB356759A (en) 1929-03-02 1930-03-03 Process for the production of mixed salts containing ammoniacal and nitrate-nitrogen jointly

Country Status (3)

Country Link
AT (1) AT126581B (en)
DK (1) DK45637C (en)
GB (1) GB356759A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762699A (en) * 1951-03-27 1956-09-11 Bergwerksgesellschaft Hibernia Process for the production of ammonium sulphate-nitrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762699A (en) * 1951-03-27 1956-09-11 Bergwerksgesellschaft Hibernia Process for the production of ammonium sulphate-nitrate

Also Published As

Publication number Publication date
AT126581B (en) 1932-01-25
DK45637C (en) 1932-05-09

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