FR2550180B1 - Procede perfectionne de fabrication d'acide phosphorique - Google Patents

Procede perfectionne de fabrication d'acide phosphorique

Info

Publication number
FR2550180B1
FR2550180B1 FR8312952A FR8312952A FR2550180B1 FR 2550180 B1 FR2550180 B1 FR 2550180B1 FR 8312952 A FR8312952 A FR 8312952A FR 8312952 A FR8312952 A FR 8312952A FR 2550180 B1 FR2550180 B1 FR 2550180B1
Authority
FR
France
Prior art keywords
manufacture
phosphoric acid
improved process
improved
phosphoric
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
FR8312952A
Other languages
English (en)
Other versions
FR2550180A1 (fr
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.)
GENERALE ENGRAIS SA
Original Assignee
GENERALE ENGRAIS SA
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 GENERALE ENGRAIS SA filed Critical GENERALE ENGRAIS SA
Priority to FR8312952A priority Critical patent/FR2550180B1/fr
Priority to MA20141A priority patent/MA19921A1/fr
Priority to FR8411154A priority patent/FR2567503B2/fr
Priority to SU843781149A priority patent/SU1549474A3/ru
Priority to US06/637,732 priority patent/US4551319A/en
Publication of FR2550180A1 publication Critical patent/FR2550180A1/fr
Application granted granted Critical
Publication of FR2550180B1 publication Critical patent/FR2550180B1/fr
Expired legal-status Critical Current

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
    • C01B25/24—Condensed phosphoric acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR8312952A 1983-08-05 1983-08-05 Procede perfectionne de fabrication d'acide phosphorique Expired FR2550180B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8312952A FR2550180B1 (fr) 1983-08-05 1983-08-05 Procede perfectionne de fabrication d'acide phosphorique
MA20141A MA19921A1 (fr) 1983-08-05 1983-10-03 Procede perfectionne de fabrication d'acide phosphorique.
FR8411154A FR2567503B2 (fr) 1983-08-05 1984-07-13 Procede perfectionne de fabrication d'acide phosphorique
SU843781149A SU1549474A3 (ru) 1983-08-05 1984-08-03 Способ получени суперфосфорной кислоты
US06/637,732 US4551319A (en) 1983-08-05 1984-08-06 Two-stage concentration for superphosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8312952A FR2550180B1 (fr) 1983-08-05 1983-08-05 Procede perfectionne de fabrication d'acide phosphorique

Publications (2)

Publication Number Publication Date
FR2550180A1 FR2550180A1 (fr) 1985-02-08
FR2550180B1 true FR2550180B1 (fr) 1985-10-04

Family

ID=9291437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8312952A Expired FR2550180B1 (fr) 1983-08-05 1983-08-05 Procede perfectionne de fabrication d'acide phosphorique

Country Status (4)

Country Link
US (1) US4551319A (fr)
FR (1) FR2550180B1 (fr)
MA (1) MA19921A1 (fr)
SU (1) SU1549474A3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5824132A (en) * 1997-02-12 1998-10-20 Kopyleva; Bronislava Method of phosphoric acid concentration
CN110562943A (zh) * 2019-09-05 2019-12-13 云南云天化以化磷业研究技术有限公司 一种连续化制备过磷酸的方法
CN113830744B (zh) * 2021-09-14 2023-05-23 成都市科隆化学品有限公司 一种高效率浓缩和除氯磷酸的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298783A (en) * 1959-10-23 1967-01-17 Stauffer Chemical Co Phosphoric acid concentration
NL292590A (fr) * 1963-01-07
US3440010A (en) * 1965-12-23 1969-04-22 Whiting Corp Method and apparatus for making superphosphoric acid
US3457036A (en) * 1967-10-13 1969-07-22 Union Oil Co Vacuum concentration of phosphoric acid
ZA711015B (en) * 1970-03-10 1971-12-29 Parkson Corp Process for preparing superphosphoric acid

Also Published As

Publication number Publication date
SU1549474A3 (ru) 1990-03-07
US4551319A (en) 1985-11-05
FR2550180A1 (fr) 1985-02-08
MA19921A1 (fr) 1984-07-01

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse