FR682423A - Process for converting natural phosphates into soluble compounds and for separating the lime and phosphoric acid contained therein - Google Patents

Process for converting natural phosphates into soluble compounds and for separating the lime and phosphoric acid contained therein

Info

Publication number
FR682423A
FR682423A FR682423DA FR682423A FR 682423 A FR682423 A FR 682423A FR 682423D A FR682423D A FR 682423DA FR 682423 A FR682423 A FR 682423A
Authority
FR
France
Prior art keywords
lime
separating
phosphoric acid
acid contained
soluble compounds
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
Other languages
French (fr)
Inventor
Erling Johnson
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.)
Odda Smelteverk AS
Original Assignee
Odda Smelteverk AS
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 Odda Smelteverk AS filed Critical Odda Smelteverk AS
Application granted granted Critical
Publication of FR682423A publication Critical patent/FR682423A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
FR682423D 1928-10-27 1929-09-28 Process for converting natural phosphates into soluble compounds and for separating the lime and phosphoric acid contained therein Expired FR682423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO682423X 1928-10-27

Publications (1)

Publication Number Publication Date
FR682423A true FR682423A (en) 1930-05-27

Family

ID=19906630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682423D Expired FR682423A (en) 1928-10-27 1929-09-28 Process for converting natural phosphates into soluble compounds and for separating the lime and phosphoric acid contained therein

Country Status (1)

Country Link
FR (1) FR682423A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749059C (en) * 1941-01-13 1944-11-18 Bataafsche Petroleum Process for the production of monocalcium phosphate by digesting rock phosphates with nitric acid
DE953977C (en) * 1953-11-05 1956-12-13 Norsk Hydro Elek Sk Kvaelstofa Process for the production of pure nitrates from nitric acid solutions of calcium phosphates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749059C (en) * 1941-01-13 1944-11-18 Bataafsche Petroleum Process for the production of monocalcium phosphate by digesting rock phosphates with nitric acid
DE953977C (en) * 1953-11-05 1956-12-13 Norsk Hydro Elek Sk Kvaelstofa Process for the production of pure nitrates from nitric acid solutions of calcium phosphates

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