FR2447347A1 - Procede de traitement d'un acide phosphorique impur - Google Patents
Procede de traitement d'un acide phosphorique impurInfo
- 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
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)
- Extraction Or Liquid Replacement (AREA)
- Water Treatment By Sorption (AREA)
- Chemical Treatment Of Metals (AREA)
- Fuel Cell (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.
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 | |
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 |
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 |
IL59186A IL59186A (en) | 1979-01-24 | 1980-01-22 | Process for treating crude wet-process phosphoric acid |
FI800183A FI67205C (fi) | 1979-01-24 | 1980-01-22 | Foerfarande foer behandling av foerorenad fosforsyra |
US06/114,204 US4369169A (en) | 1979-01-24 | 1980-01-22 | Pretreatment of crude wet process phosphoric acid |
GR61010A GR73131B (fr) | 1979-01-24 | 1980-01-22 | |
SU802869458A SU1181529A3 (ru) | 1979-01-24 | 1980-01-23 | Способ очистки фосфорной кислоты от органических примесей |
BE0/199080A BE881307A (fr) | 1979-01-24 | 1980-01-23 | Procede de traitement d'un acide phosphorique impur |
DE3002359A DE3002359C2 (de) | 1979-01-24 | 1980-01-23 | Verfahren zum Entfernen von Verunreinigungen aus einer rohen Naßverfahrensphosphorsäure |
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 |
GB8002246A GB2039869B (en) | 1979-01-24 | 1980-01-23 | Treatment of impure phosphoric acid |
NL8000439A NL8000439A (nl) | 1979-01-24 | 1980-01-23 | Werkwijze voor het behandelen van een onzuiver fosfor- zuur. |
CA344,245A CA1134119A (fr) | 1979-01-24 | 1980-01-23 | Procede de traitement d'un acide phosphorique impur |
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 |
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)
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)
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)
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)
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 |
-
1979
- 1979-01-24 FR FR7901752A patent/FR2447347A1/fr active Granted
-
1980
- 1980-01-21 IN IN81/CAL/80A patent/IN151181B/en unknown
- 1980-01-22 GR GR61010A patent/GR73131B/el unknown
- 1980-01-22 JP JP625980A patent/JPS55104908A/ja active Pending
- 1980-01-22 IL IL59186A patent/IL59186A/xx unknown
- 1980-01-22 IT IT47673/80A patent/IT1188894B/it active
- 1980-01-22 MX MX808600U patent/MX7288E/es unknown
- 1980-01-22 US US06/114,204 patent/US4369169A/en not_active Expired - Lifetime
- 1980-01-22 FI FI800183A patent/FI67205C/fi not_active IP Right Cessation
- 1980-01-23 GB GB8002246A patent/GB2039869B/en not_active Expired
- 1980-01-23 ES ES487930A patent/ES487930A1/es not_active Expired
- 1980-01-23 MA MA18908A patent/MA18711A1/fr unknown
- 1980-01-23 DE DE3002359A patent/DE3002359C2/de not_active Expired
- 1980-01-23 SU SU802869458A patent/SU1181529A3/ru active
- 1980-01-23 BR BR8000411A patent/BR8000411A/pt unknown
- 1980-01-23 EG EG39/80A patent/EG14670A/xx active
- 1980-01-23 ZA ZA00800411A patent/ZA80411B/xx unknown
- 1980-01-23 CA CA344,245A patent/CA1134119A/fr not_active Expired
- 1980-01-23 BE BE0/199080A patent/BE881307A/fr unknown
- 1980-01-23 NL NL8000439A patent/NL8000439A/nl not_active Application Discontinuation
- 1980-01-29 AT AT380/80A patent/ATA38080A/de not_active IP Right Cessation
Patent Citations (4)
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)
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 |
---|---|
GB2039869A (en) | 1980-08-20 |
FI800183A (fi) | 1980-07-25 |
DE3002359A1 (de) | 1980-07-31 |
ATA38080A (de) | 1991-05-15 |
FI67205C (fi) | 1985-02-11 |
EG14670A (en) | 1984-06-30 |
GR73131B (fr) | 1984-02-07 |
IL59186A0 (en) | 1980-05-30 |
IL59186A (en) | 1983-12-30 |
JPS55104908A (en) | 1980-08-11 |
ZA80411B (en) | 1981-01-28 |
DE3002359C2 (de) | 1982-05-19 |
ES487930A1 (es) | 1980-07-16 |
IT8047673A1 (it) | 1981-07-22 |
CA1134119A (fr) | 1982-10-26 |
NL8000439A (nl) | 1980-07-28 |
FI67205B (fi) | 1984-10-31 |
BR8000411A (pt) | 1980-10-21 |
BE881307A (fr) | 1980-07-23 |
MA18711A1 (fr) | 1980-10-01 |
IN151181B (fr) | 1983-03-05 |
MX7288E (es) | 1988-04-15 |
GB2039869B (en) | 1983-01-26 |
IT1188894B (it) | 1988-01-28 |
FR2447347B1 (fr) | 1983-02-04 |
US4369169A (en) | 1983-01-18 |
IT8047673A0 (it) | 1980-01-22 |
SU1181529A3 (ru) | 1985-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |