EG14670A - A process for treatment impure phosphoric acid - Google Patents

A process for treatment impure phosphoric acid

Info

Publication number
EG14670A
EG14670A EG39/80A EG3980A EG14670A EG 14670 A EG14670 A EG 14670A EG 39/80 A EG39/80 A EG 39/80A EG 3980 A EG3980 A EG 3980A EG 14670 A EG14670 A EG 14670A
Authority
EG
Egypt
Prior art keywords
treatment
phosphoric acid
impure phosphoric
impure
acid
Prior art date
Application number
EG39/80A
Other languages
English (en)
Inventor
Guy Nineuil
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
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Application granted granted Critical
Publication of EG14670A publication Critical patent/EG14670A/xx

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
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Fuel Cell (AREA)
EG39/80A 1979-01-24 1980-01-23 A process for treatment impure phosphoric acid EG14670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901752A FR2447347A1 (fr) 1979-01-24 1979-01-24 Procede de traitement d'un acide phosphorique impur

Publications (1)

Publication Number Publication Date
EG14670A true EG14670A (en) 1984-06-30

Family

ID=9221134

Family Applications (1)

Application Number Title Priority Date Filing Date
EG39/80A EG14670A (en) 1979-01-24 1980-01-23 A process for treatment impure phosphoric acid

Country Status (21)

Country Link
US (1) US4369169A (fi)
JP (1) JPS55104908A (fi)
AT (1) ATA38080A (fi)
BE (1) BE881307A (fi)
BR (1) BR8000411A (fi)
CA (1) CA1134119A (fi)
DE (1) DE3002359C2 (fi)
EG (1) EG14670A (fi)
ES (1) ES487930A1 (fi)
FI (1) FI67205C (fi)
FR (1) FR2447347A1 (fi)
GB (1) GB2039869B (fi)
GR (1) GR73131B (fi)
IL (1) IL59186A (fi)
IN (1) IN151181B (fi)
IT (1) IT1188894B (fi)
MA (1) MA18711A1 (fi)
MX (1) MX7288E (fi)
NL (1) NL8000439A (fi)
SU (1) SU1181529A3 (fi)
ZA (1) ZA80411B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507170A2 (fr) * 1976-02-26 1982-12-10 Ind Chimiques Maghrebines Procede de clarification et de defluoration simultanees de l'acide phosphorique et acide obtenu par ledit procede
US4291005A (en) * 1979-04-23 1981-09-22 American Cyanamid Company Settling out suspended solids in phosphoric acid product solutions
DE3212675A1 (de) * 1982-04-05 1983-10-06 Hoechst Ag Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln
US4585636A (en) * 1984-10-17 1986-04-29 Negev Phosphates Ltd. Process for the manufacture of purified phosphoric acid
US4643883A (en) * 1986-01-22 1987-02-17 International Minerals & Chemical Corp. Method of decolorizing wet process phosphoric acid
DE3806822A1 (de) * 1988-03-03 1989-09-14 Hoechst Ag Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
DE3913853A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur aufarbeitung von phosphorsaeure
US9187327B2 (en) * 2011-01-04 2015-11-17 Nalco Company Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
JP6060398B2 (ja) * 2014-03-31 2017-01-18 日本碍子株式会社 排水中のリン除去方法および排水中のリン除去装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968528A (en) * 1957-07-01 1961-01-17 Int Minerals & Chem Corp Process for producing clarified phosphoric acid
US2936888A (en) * 1958-07-07 1960-05-17 Int Minerals & Chem Corp Production of clarified acidic phosphatic solutions
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
US3099622A (en) * 1960-10-25 1963-07-30 Int Minerals & Chem Corp Production of clarified acidic phosphatic solutions
NL295743A (fi) * 1962-07-25
GB1103224A (en) * 1964-07-28 1968-02-14 Marchon Products Ltd Improvements in the manufacture of phosphoric acid
US3644091A (en) * 1970-03-17 1972-02-22 Exxon Research Engineering Co Clarification of phosphoric acid
AU7108374A (en) * 1973-12-21 1976-01-15 Fertiliazantes Fosfatados Mexi Phosphoric acid
DE2447390C3 (de) * 1974-10-04 1983-11-17 Hoechst Ag, 6230 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
UST971006I4 (en) 1977-09-14 1978-06-06 Tennessee Valley Authority Purification of phosphoric acid solutions
US4256570A (en) * 1979-03-19 1981-03-17 International Minerals & Chemical Corporation Purification of phosphoric acid

Also Published As

Publication number Publication date
FI800183A (fi) 1980-07-25
DE3002359A1 (de) 1980-07-31
FR2447347B1 (fi) 1983-02-04
SU1181529A3 (ru) 1985-09-23
MA18711A1 (fr) 1980-10-01
JPS55104908A (en) 1980-08-11
GB2039869A (en) 1980-08-20
ES487930A1 (es) 1980-07-16
IN151181B (fi) 1983-03-05
FR2447347A1 (fr) 1980-08-22
ZA80411B (en) 1981-01-28
FI67205C (fi) 1985-02-11
ATA38080A (de) 1991-05-15
MX7288E (es) 1988-04-15
CA1134119A (fr) 1982-10-26
IT1188894B (it) 1988-01-28
BR8000411A (pt) 1980-10-21
GB2039869B (en) 1983-01-26
DE3002359C2 (de) 1982-05-19
IT8047673A1 (it) 1981-07-22
IT8047673A0 (it) 1980-01-22
IL59186A (en) 1983-12-30
GR73131B (fi) 1984-02-07
FI67205B (fi) 1984-10-31
IL59186A0 (en) 1980-05-30
US4369169A (en) 1983-01-18
NL8000439A (nl) 1980-07-28
BE881307A (fr) 1980-07-23

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