NO139475C - PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES - Google Patents

PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES

Info

Publication number
NO139475C
NO139475C NO770827A NO770827A NO139475C NO 139475 C NO139475 C NO 139475C NO 770827 A NO770827 A NO 770827A NO 770827 A NO770827 A NO 770827A NO 139475 C NO139475 C NO 139475C
Authority
NO
Norway
Prior art keywords
phosphates
chlorous
procedures
preparation
phosphoric acid
Prior art date
Application number
NO770827A
Other languages
Norwegian (no)
Other versions
NO770827L (en
NO139475B (en
Inventor
Torkjell Berge
Leif Hjoernevik
Rolf Berg Johannessen
Gloer Thorvald Mejdell
Reidar Johan Ringbakken
Original Assignee
Norsk Hydro 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 Norsk Hydro As filed Critical Norsk Hydro As
Priority to NO770827A priority Critical patent/NO139475C/en
Priority to SE7802444A priority patent/SE430979B/en
Priority to YU00524/78A priority patent/YU52478A/en
Priority to BR7801431A priority patent/BR7801431A/en
Priority to DE19782810254 priority patent/DE2810254A1/en
Publication of NO770827L publication Critical patent/NO770827L/en
Publication of NO139475B publication Critical patent/NO139475B/en
Publication of NO139475C publication Critical patent/NO139475C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
NO770827A 1977-03-09 1977-03-09 PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES NO139475C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO770827A NO139475C (en) 1977-03-09 1977-03-09 PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES
SE7802444A SE430979B (en) 1977-03-09 1978-03-03 PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATE FROM CHLORINE ROSE PHOSPHATE
YU00524/78A YU52478A (en) 1977-03-09 1978-03-06 Process for producing phosphoric acid and/or phosphates from chlorine containing rock phosphates or apatite
BR7801431A BR7801431A (en) 1977-03-09 1978-03-08 PROCESS FOR THE MANUFACTURE OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM A PHOSPHATED OR APATITE ROCK WITH HIGH CHLORINE CONTENT
DE19782810254 DE2810254A1 (en) 1977-03-09 1978-03-09 Phosphoric acid or phosphate(s) prodn. - from chlorine-contg. rock phosphate or apatite by acid digestion followed by oxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO770827A NO139475C (en) 1977-03-09 1977-03-09 PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES

Publications (3)

Publication Number Publication Date
NO770827L NO770827L (en) 1978-09-12
NO139475B NO139475B (en) 1978-12-11
NO139475C true NO139475C (en) 1979-03-21

Family

ID=19883403

Family Applications (1)

Application Number Title Priority Date Filing Date
NO770827A NO139475C (en) 1977-03-09 1977-03-09 PROCEDURES FOR THE PREPARATION OF PHOSPHORIC ACID AND / OR PHOSPHATES FROM CHLOROUS RAW PHOSPHATES

Country Status (5)

Country Link
BR (1) BR7801431A (en)
DE (1) DE2810254A1 (en)
NO (1) NO139475C (en)
SE (1) SE430979B (en)
YU (1) YU52478A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933526B2 (en) * 1980-07-28 1984-08-16 セントラル硝子株式会社 Method for producing wet phosphoric acid with high uranium content

Also Published As

Publication number Publication date
NO770827L (en) 1978-09-12
BR7801431A (en) 1978-11-28
SE7802444L (en) 1978-09-10
SE430979B (en) 1983-12-27
DE2810254A1 (en) 1978-09-14
YU52478A (en) 1982-06-30
NO139475B (en) 1978-12-11

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