FR2277031A1 - Procede de purification de l'acide phosphorique - Google Patents

Procede de purification de l'acide phosphorique

Info

Publication number
FR2277031A1
FR2277031A1 FR7521153A FR7521153A FR2277031A1 FR 2277031 A1 FR2277031 A1 FR 2277031A1 FR 7521153 A FR7521153 A FR 7521153A FR 7521153 A FR7521153 A FR 7521153A FR 2277031 A1 FR2277031 A1 FR 2277031A1
Authority
FR
France
Prior art keywords
phosphoric acid
purification process
acid purification
phosphoric
purification
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
FR7521153A
Other languages
English (en)
French (fr)
Other versions
FR2277031B1 (US06229276-20010508-P00081.png
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 DE2432472A external-priority patent/DE2432472C3/de
Priority claimed from DE19742435789 external-priority patent/DE2435789C3/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of FR2277031A1 publication Critical patent/FR2277031A1/fr
Application granted granted Critical
Publication of FR2277031B1 publication Critical patent/FR2277031B1/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
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/464—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being an ether or a mixture of ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7521153A 1974-07-06 1975-07-04 Procede de purification de l'acide phosphorique Granted FR2277031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2432472A DE2432472C3 (de) 1974-07-06 1974-07-06 Verfahren zur Reinigung von wäßriger Phosphorsäure
DE19742435789 DE2435789C3 (de) 1974-07-25 1974-07-25 Verfahren zur Reinigung von Phosphorsäure mit Hilfe von 3-Methoxybutanol

Publications (2)

Publication Number Publication Date
FR2277031A1 true FR2277031A1 (fr) 1976-01-30
FR2277031B1 FR2277031B1 (US06229276-20010508-P00081.png) 1981-06-19

Family

ID=25767368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521153A Granted FR2277031A1 (fr) 1974-07-06 1975-07-04 Procede de purification de l'acide phosphorique

Country Status (18)

Country Link
US (1) US3996336A (US06229276-20010508-P00081.png)
JP (1) JPS5137093A (US06229276-20010508-P00081.png)
BR (1) BR7504253A (US06229276-20010508-P00081.png)
CA (1) CA1055419A (US06229276-20010508-P00081.png)
CH (1) CH618402A5 (US06229276-20010508-P00081.png)
DD (1) DD120001A5 (US06229276-20010508-P00081.png)
DK (1) DK304175A (US06229276-20010508-P00081.png)
EG (1) EG11808A (US06229276-20010508-P00081.png)
ES (1) ES438676A1 (US06229276-20010508-P00081.png)
FI (1) FI58903C (US06229276-20010508-P00081.png)
FR (1) FR2277031A1 (US06229276-20010508-P00081.png)
GB (1) GB1493999A (US06229276-20010508-P00081.png)
IL (1) IL47629A (US06229276-20010508-P00081.png)
IT (1) IT1040819B (US06229276-20010508-P00081.png)
NL (1) NL183180C (US06229276-20010508-P00081.png)
OA (1) OA05048A (US06229276-20010508-P00081.png)
PH (1) PH11819A (US06229276-20010508-P00081.png)
SE (1) SE410587B (US06229276-20010508-P00081.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196180A (en) * 1973-07-04 1980-04-01 Hoechst Aktiengesellschaft Purification of phosphoric acid by means of organic solvents
DE19703884C2 (de) * 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050961A (US06229276-20010508-P00081.png) *
US1929441A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion product thereof
US1981145A (en) * 1933-10-21 1934-11-20 Minerals Separation North Us Process of producing phosphoric acid
DE1261840B (de) * 1961-12-06 1968-02-29 Ministerul Ind Petrolului Verfahren zur Herstellung hochkonzentrierter Phosphorsaeuren
US3318661A (en) * 1962-12-31 1967-05-09 Tennessee Corp Process for purifying phosphoric acid
GB1112033A (en) * 1964-03-30 1968-05-01 Israel Mining Ind Inst For Res Phosphoric acid recovery
DE2050406C3 (de) * 1970-10-14 1978-04-06 Budenheim Rud A Oetker Chemie Verfahren zur Reinigung von technischer Phosporsäure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur

Also Published As

Publication number Publication date
OA05048A (fr) 1980-12-31
US3996336A (en) 1976-12-07
FI58903C (fi) 1981-05-11
IT1040819B (it) 1979-12-20
JPS5137093A (en) 1976-03-29
DK304175A (da) 1976-01-07
SE7507663L (sv) 1976-01-07
DD120001A5 (US06229276-20010508-P00081.png) 1976-05-20
SE410587B (sv) 1979-10-22
NL7507887A (nl) 1976-01-08
NL183180B (nl) 1988-03-16
BR7504253A (pt) 1976-07-06
IL47629A0 (en) 1975-10-15
EG11808A (en) 1978-09-30
IL47629A (en) 1978-03-10
PH11819A (en) 1978-07-19
FR2277031B1 (US06229276-20010508-P00081.png) 1981-06-19
CA1055419A (en) 1979-05-29
NL183180C (nl) 1988-08-16
JPS537318B2 (US06229276-20010508-P00081.png) 1978-03-16
FI58903B (fi) 1981-01-30
CH618402A5 (US06229276-20010508-P00081.png) 1980-07-31
ES438676A1 (es) 1977-03-01
GB1493999A (en) 1977-12-07
FI751940A (US06229276-20010508-P00081.png) 1976-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse