FR2447347A1 - Procede de traitement d'un acide phosphorique impur - Google Patents

Procede de traitement d'un acide phosphorique impur

Info

Publication number
FR2447347A1
FR2447347A1 FR7901752A FR7901752A FR2447347A1 FR 2447347 A1 FR2447347 A1 FR 2447347A1 FR 7901752 A FR7901752 A FR 7901752A FR 7901752 A FR7901752 A FR 7901752A FR 2447347 A1 FR2447347 A1 FR 2447347A1
Authority
FR
France
Prior art keywords
treatment
phosphoric acid
acid
agent
suspension
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.)
Granted
Application number
FR7901752A
Other languages
English (en)
Other versions
FR2447347B1 (fr
Inventor
Guy Nineuil
Jean Boutin
Maurice Chambon
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries 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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7901752A priority Critical patent/FR2447347A1/fr
Priority to IN81/CAL/80A priority patent/IN151181B/en
Priority to US06/114,204 priority patent/US4369169A/en
Priority to IL59186A priority patent/IL59186A/xx
Priority to MX808600U priority patent/MX7288E/es
Priority to FI800183A priority patent/FI67205C/fi
Priority to IT47673/80A priority patent/IT1188894B/it
Priority to JP625980A priority patent/JPS55104908A/ja
Priority to GR61010A priority patent/GR73131B/el
Priority to ES487930A priority patent/ES487930A1/es
Priority to CA344,245A priority patent/CA1134119A/fr
Priority to ZA00800411A priority patent/ZA80411B/xx
Priority to BR8000411A priority patent/BR8000411A/pt
Priority to GB8002246A priority patent/GB2039869B/en
Priority to DE3002359A priority patent/DE3002359C2/de
Priority to BE0/199080A priority patent/BE881307A/fr
Priority to SU802869458A priority patent/SU1181529A3/ru
Priority to NL8000439A priority patent/NL8000439A/nl
Priority to EG39/80A priority patent/EG14670A/xx
Priority to MA18908A priority patent/MA18711A1/fr
Priority to AT380/80A priority patent/ATA38080A/de
Publication of FR2447347A1 publication Critical patent/FR2447347A1/fr
Application granted granted Critical
Publication of FR2447347B1 publication Critical patent/FR2447347B1/fr
Granted 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
    • C01B25/18—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)
  • Chemical Treatment Of Metals (AREA)
  • Fuel Cell (AREA)
  • Water Treatment By Sorption (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE PRETRAITEMENT D'UN ACIDE PHOSPHORIQUE BRUT DE VOIE HUMIDE. IL COMPORTE LE TRAITEMENT DE L'ACIDE BRUT AU MOYEN D'UN AGENT ADSORBANT DANS DES CONDITIONS TELLES QU'IL Y AIT SUSPENSION DE L'AGENT, PUIS LE TRAITEMENT DE LA SUSPENSION AU MOYEN D'UN AGENT DE FLOCULATION, LE MAINTIEN DU MELANGE RESULTANT SOUS AGITATION NON-CISAILLANTE ET LA SEPARATION DE L'ACIDE PURIFIE ET DU FLOCULAT. APPLICATION A L'OBTENTION D'UN ACIDE PURIFIE APTE A SUBIR DES TRAITEMENTS PAR EXTRACTION LIQUIDE-LIQUIDE.
FR7901752A 1979-01-24 1979-01-24 Procede de traitement d'un acide phosphorique impur Granted FR2447347A1 (fr)

Priority Applications (21)

Application Number Priority Date Filing Date Title
FR7901752A FR2447347A1 (fr) 1979-01-24 1979-01-24 Procede de traitement d'un acide phosphorique impur
IN81/CAL/80A IN151181B (fr) 1979-01-24 1980-01-21
IL59186A IL59186A (en) 1979-01-24 1980-01-22 Process for treating crude wet-process phosphoric acid
MX808600U MX7288E (es) 1979-01-24 1980-01-22 Metodo mejorado para purificar un acido fosforico bruto de via humeda,obtenido por ataque de rocas fosfatadas mediante acido sulfurico
FI800183A FI67205C (fi) 1979-01-24 1980-01-22 Foerfarande foer behandling av foerorenad fosforsyra
IT47673/80A IT1188894B (it) 1979-01-24 1980-01-22 Procedimento di trattamento di un acido fosforico impuro
JP625980A JPS55104908A (en) 1979-01-24 1980-01-22 Method of treating impure phosphoric acid
GR61010A GR73131B (fr) 1979-01-24 1980-01-22
US06/114,204 US4369169A (en) 1979-01-24 1980-01-22 Pretreatment of crude wet process phosphoric acid
SU802869458A SU1181529A3 (ru) 1979-01-24 1980-01-23 Способ очистки фосфорной кислоты от органических примесей
ES487930A ES487930A1 (es) 1979-01-24 1980-01-23 Un procedimiento de tratamiento de un acido fosforico bruto
BR8000411A BR8000411A (pt) 1979-01-24 1980-01-23 Processo para tratamento de um acido fosforico bruto por via umida,e,aplicacao do processo
GB8002246A GB2039869B (en) 1979-01-24 1980-01-23 Treatment of impure phosphoric acid
DE3002359A DE3002359C2 (de) 1979-01-24 1980-01-23 Verfahren zum Entfernen von Verunreinigungen aus einer rohen Naßverfahrensphosphorsäure
BE0/199080A BE881307A (fr) 1979-01-24 1980-01-23 Procede de traitement d'un acide phosphorique impur
CA344,245A CA1134119A (fr) 1979-01-24 1980-01-23 Procede de traitement d'un acide phosphorique impur
NL8000439A NL8000439A (nl) 1979-01-24 1980-01-23 Werkwijze voor het behandelen van een onzuiver fosfor- zuur.
EG39/80A EG14670A (en) 1979-01-24 1980-01-23 A process for treatment impure phosphoric acid
MA18908A MA18711A1 (fr) 1979-01-24 1980-01-23 Procede de traitement d'un acide phosphorique impur
ZA00800411A ZA80411B (en) 1979-01-24 1980-01-23 Treatment of impure phosphoric acid
AT380/80A ATA38080A (de) 1979-01-24 1980-01-29 Verfahren zur behandlung von roher phosphorsaeure

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 (2)

Publication Number Publication Date
FR2447347A1 true FR2447347A1 (fr) 1980-08-22
FR2447347B1 FR2447347B1 (fr) 1983-02-04

Family

ID=9221134

Family Applications (1)

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

Country Status (21)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454996A1 (fr) * 1979-04-23 1980-11-21 American Cyanamid Co Procede de production d'acide phosphorique concentre par decantation des matieres solides en suspension a l'aide d'un agent floculant
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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1336816A (fr) * 1962-07-25 1963-09-06 Progil Clarification de solutions d'acide phosphorique
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
FR1564461A (fr) * 1964-07-28 1969-04-25
FR2255376A1 (en) * 1973-12-21 1975-07-18 Mexican Fertiliz Fosfat Phosphoric acid for detergent phosphates - purified by sedimentation and coagulation then extn of the concd acid

Family Cites Families (7)

* 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
US3099622A (en) * 1960-10-25 1963-07-30 Int Minerals & Chem Corp Production of clarified acidic phosphatic solutions
US3644091A (en) * 1970-03-17 1972-02-22 Exxon Research Engineering Co Clarification of 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
FR1336816A (fr) * 1962-07-25 1963-09-06 Progil Clarification de solutions d'acide phosphorique
FR1564461A (fr) * 1964-07-28 1969-04-25
FR2255376A1 (en) * 1973-12-21 1975-07-18 Mexican Fertiliz Fosfat Phosphoric acid for detergent phosphates - purified by sedimentation and coagulation then extn of the concd acid

Cited By (2)

* 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
FR2454996A1 (fr) * 1979-04-23 1980-11-21 American Cyanamid Co Procede de production d'acide phosphorique concentre par decantation des matieres solides en suspension a l'aide d'un agent floculant

Also Published As

Publication number Publication date
FI800183A (fi) 1980-07-25
SU1181529A3 (ru) 1985-09-23
JPS55104908A (en) 1980-08-11
IL59186A (en) 1983-12-30
ATA38080A (de) 1991-05-15
MX7288E (es) 1988-04-15
DE3002359A1 (de) 1980-07-31
FI67205C (fi) 1985-02-11
IL59186A0 (en) 1980-05-30
GB2039869A (en) 1980-08-20
IT8047673A1 (it) 1981-07-22
GR73131B (fr) 1984-02-07
NL8000439A (nl) 1980-07-28
IN151181B (fr) 1983-03-05
IT1188894B (it) 1988-01-28
ES487930A1 (es) 1980-07-16
US4369169A (en) 1983-01-18
ZA80411B (en) 1981-01-28
FI67205B (fi) 1984-10-31
EG14670A (en) 1984-06-30
CA1134119A (fr) 1982-10-26
GB2039869B (en) 1983-01-26
IT8047673A0 (it) 1980-01-22
DE3002359C2 (de) 1982-05-19
BR8000411A (pt) 1980-10-21
FR2447347B1 (fr) 1983-02-04
BE881307A (fr) 1980-07-23
MA18711A1 (fr) 1980-10-01

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