DK134698C - - Google Patents

Info

Publication number
DK134698C
DK134698C DK56774A DK56774A DK134698C DK 134698 C DK134698 C DK 134698C DK 56774 A DK56774 A DK 56774A DK 56774 A DK56774 A DK 56774A DK 134698 C DK134698 C DK 134698C
Authority
DK
Denmark
Application number
DK56774A
Other languages
Danish (da)
Other versions
DK134698B (da
Inventor
W E Pavonet
Original Assignee
Prayon
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 Prayon filed Critical Prayon
Publication of DK134698B publication Critical patent/DK134698B/da
Application granted granted Critical
Publication of DK134698C publication Critical patent/DK134698C/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
DK56774AA 1973-02-02 1974-02-01 Fremgangsmåde til fremstilling af phosphorsyre. DK134698B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU66958A LU66958A1 (de) 1973-02-02 1973-02-02

Publications (2)

Publication Number Publication Date
DK134698B DK134698B (da) 1976-12-27
DK134698C true DK134698C (de) 1977-05-23

Family

ID=19727252

Family Applications (1)

Application Number Title Priority Date Filing Date
DK56774AA DK134698B (da) 1973-02-02 1974-02-01 Fremgangsmåde til fremstilling af phosphorsyre.

Country Status (12)

Country Link
US (1) US3970741A (de)
BE (1) BE810373A (de)
DE (1) DE2307039C2 (de)
DK (1) DK134698B (de)
ES (1) ES422744A1 (de)
FR (1) FR2216226B1 (de)
GB (1) GB1455659A (de)
IE (1) IE38812B1 (de)
IT (1) IT1009613B (de)
LU (1) LU66958A1 (de)
NL (1) NL176358C (de)
SE (1) SE384845B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053564A (en) * 1976-05-20 1977-10-11 Occidental Petroleum Company Extraction process for purification of phosphoric acid
USRE31629E (en) * 1976-05-20 1984-07-10 Occidental Petroleum Corporation Extraction process for purification of phosphoric acid
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
JPS5933527B2 (ja) * 1980-11-29 1984-08-16 東ソー株式会社 リン酸の溶媒抽出法
US4394361A (en) * 1982-05-24 1983-07-19 Fmc Corporation Method of purifying phosphoric acid
DE3708140A1 (de) * 1987-03-13 1988-09-22 Budenheim Rud A Oetker Chemie Verfahren zur fluessig-/fluessig-extraktion von nassverfahrensphosphorsaeure mit organischen loesungsmitteln
DE19703884C2 (de) * 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure
CN102459091B (zh) 2009-05-18 2014-06-18 孟山都技术公司 含水废物流中磷有用成分和盐杂质的回收

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318661A (en) * 1962-12-31 1967-05-09 Tennessee Corp Process for purifying phosphoric acid
US3367738A (en) * 1963-09-23 1968-02-06 Tennessee Corp Process for purifying wet process phosphoric acid with ethyl ether
NL6710220A (de) * 1964-03-30 1968-02-05
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery

Also Published As

Publication number Publication date
ES422744A1 (es) 1976-04-16
IE38812L (en) 1974-08-02
SE384845B (sv) 1976-05-24
FR2216226A1 (de) 1974-08-30
NL7401534A (de) 1974-08-06
IE38812B1 (en) 1978-06-07
DK134698B (da) 1976-12-27
DE2307039A1 (de) 1974-08-22
DE2307039B1 (de) 1974-12-12
GB1455659A (en) 1976-11-17
DE2307039C2 (de) 1978-04-06
BE810373A (fr) 1974-05-16
IT1009613B (it) 1976-12-20
NL176358C (nl) 1985-04-01
FR2216226B1 (de) 1977-03-04
LU66958A1 (de) 1974-09-25
US3970741A (en) 1976-07-20
NL176358B (nl) 1984-11-01

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Legal Events

Date Code Title Description
PUP Patent expired