NL7805497A - METHOD FOR PURIFYING PHOSPHORIC ACID. - Google Patents

METHOD FOR PURIFYING PHOSPHORIC ACID.

Info

Publication number
NL7805497A
NL7805497A NL7805497A NL7805497A NL7805497A NL 7805497 A NL7805497 A NL 7805497A NL 7805497 A NL7805497 A NL 7805497A NL 7805497 A NL7805497 A NL 7805497A NL 7805497 A NL7805497 A NL 7805497A
Authority
NL
Netherlands
Prior art keywords
phosphoric acid
purifying phosphoric
purifying
acid
phosphoric
Prior art date
Application number
NL7805497A
Other languages
Dutch (nl)
Original Assignee
Rhone Poulenc Ind
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
Priority claimed from FR7715623A external-priority patent/FR2391954A2/en
Priority claimed from FR7800771A external-priority patent/FR2421845A2/en
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of NL7805497A publication Critical patent/NL7805497A/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
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)
NL7805497A 1977-05-23 1978-05-22 METHOD FOR PURIFYING PHOSPHORIC ACID. NL7805497A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7715623A FR2391954A2 (en) 1977-05-23 1977-05-23 WET PHOSPHORIC ACID PURIFICATION PROCESS
FR7800771A FR2421845A2 (en) 1978-01-12 1978-01-12 PROCESS FOR PURIFYING A WET PHOSPHORIC ACID

Publications (1)

Publication Number Publication Date
NL7805497A true NL7805497A (en) 1978-11-27

Family

ID=26220035

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7805497A NL7805497A (en) 1977-05-23 1978-05-22 METHOD FOR PURIFYING PHOSPHORIC ACID.

Country Status (9)

Country Link
JP (1) JPS5413497A (en)
BR (1) BR7803244A (en)
CA (1) CA1109635A (en)
DE (1) DE2822303B2 (en)
ES (1) ES470068A1 (en)
GB (1) GB1601428A (en)
IT (1) IT1105409B (en)
NL (1) NL7805497A (en)
PH (1) PH13509A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325121A1 (en) * 1983-07-12 1985-01-24 Hoechst Ag, 6230 Frankfurt METHOD AND DEVICE FOR REMOVING FLUOR AND ORGANIC COMPOUNDS FROM PRE-PREPARED WET METAL PHOSPHORIC ACID
JPS60121733A (en) * 1984-07-31 1985-06-29 Shinkawa Ltd Inner lead bonder
CN111874884B (en) * 2020-07-23 2023-08-04 湖北祥云(集团)化工股份有限公司 Defluorination method and system for wet-process phosphoric acid
CN116374971A (en) * 2023-03-07 2023-07-04 湖北鄂中生态农业科技有限公司 Method for purifying phosphoric acid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037158A (en) * 1973-08-10 1975-04-07

Also Published As

Publication number Publication date
IT1105409B (en) 1985-11-04
JPS5413497A (en) 1979-01-31
PH13509A (en) 1980-06-03
IT7849488A0 (en) 1978-05-22
DE2822303B2 (en) 1980-07-03
CA1109635A (en) 1981-09-29
GB1601428A (en) 1981-10-28
ES470068A1 (en) 1979-09-16
BR7803244A (en) 1978-12-19
DE2822303A1 (en) 1978-11-30

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Legal Events

Date Code Title Description
BV The patent application has lapsed
A85 Still pending on 85-01-01
BV The patent application has lapsed