JPS516894A - Seiseirinsanno seizoho - Google Patents

Seiseirinsanno seizoho

Info

Publication number
JPS516894A
JPS516894A JP7777374A JP7777374A JPS516894A JP S516894 A JPS516894 A JP S516894A JP 7777374 A JP7777374 A JP 7777374A JP 7777374 A JP7777374 A JP 7777374A JP S516894 A JPS516894 A JP S516894A
Authority
JP
Japan
Prior art keywords
seiseirinsanno
seizoho
seiseirinsanno seizoho
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
JP7777374A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5652848B2 (de
Inventor
Kiwamu Toshimitsu
Sakimi Fujii
Akiro Uchida
Yoshio Fujii
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP7777374A priority Critical patent/JPS516894A/ja
Priority to FR7520586A priority patent/FR2277767A1/fr
Priority to AU82688/75A priority patent/AU475462B2/en
Priority to IT2514075A priority patent/IT1039720B/it
Priority to GB2851875A priority patent/GB1463224A/en
Priority to BR7505519D priority patent/BR7504306A/pt
Priority to DE19752530658 priority patent/DE2530658C3/de
Publication of JPS516894A publication Critical patent/JPS516894A/ja
Priority to US05/750,371 priority patent/US4083937A/en
Publication of JPS5652848B2 publication Critical patent/JPS5652848B2/ja
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
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
JP7777374A 1974-07-09 1974-07-09 Seiseirinsanno seizoho Granted JPS516894A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP7777374A JPS516894A (en) 1974-07-09 1974-07-09 Seiseirinsanno seizoho
FR7520586A FR2277767A1 (fr) 1974-07-09 1975-07-01 Procede de preparation d'acide phosphorique pur
AU82688/75A AU475462B2 (en) 1974-07-09 1975-07-02 Process for preparing pure phosphoric acid
IT2514075A IT1039720B (it) 1974-07-09 1975-07-07 Procedimento per la preparazione di acido fosforico uro
GB2851875A GB1463224A (en) 1974-07-09 1975-07-07 Process for preparing pure phosphoric acid
BR7505519D BR7504306A (pt) 1974-07-09 1975-07-08 Aperfeicoamento em processo para preparacao de acido fosforico puro
DE19752530658 DE2530658C3 (de) 1974-07-09 1975-07-09 Verfahren zur Herstellung von reiner Phosphorsäure
US05/750,371 US4083937A (en) 1974-07-09 1976-12-14 Process for preparing pure phosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7777374A JPS516894A (en) 1974-07-09 1974-07-09 Seiseirinsanno seizoho

Publications (2)

Publication Number Publication Date
JPS516894A true JPS516894A (en) 1976-01-20
JPS5652848B2 JPS5652848B2 (de) 1981-12-15

Family

ID=13643261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7777374A Granted JPS516894A (en) 1974-07-09 1974-07-09 Seiseirinsanno seizoho

Country Status (7)

Country Link
JP (1) JPS516894A (de)
AU (1) AU475462B2 (de)
BR (1) BR7504306A (de)
DE (1) DE2530658C3 (de)
FR (1) FR2277767A1 (de)
GB (1) GB1463224A (de)
IT (1) IT1039720B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297393A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Purification of extracted phosphoric acid
JPS5297394A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of organic matter in phosphoric acid
FR2391954A2 (fr) * 1977-05-23 1978-12-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
CN112661127A (zh) * 2021-03-08 2021-04-16 昆明理工大学 提高湿法磷酸氟收率的系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837679A (de) * 1971-09-13 1973-06-02

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD30306A (de) *
US2165100A (en) * 1936-08-28 1939-07-04 Virginia Chemical Corp Process for purifying phosphoric acid
US2415797A (en) * 1942-10-02 1947-02-11 Westvaco Chlorine Products Cor Preparation of pure phosphoric acid
US2977196A (en) * 1955-07-01 1961-03-28 Int Minerals & Chem Corp Defluorination method
US2987376A (en) * 1956-12-27 1961-06-06 Int Minerals & Chem Corp Method for defluorination of phosphoric acid
DE1148531B (de) * 1960-05-25 1963-05-16 Int Minerals & Chem Corp Verfahren zum Entfluorieren fluorhaltiger, saurer phosphathaltiger Loesungen
US3193351A (en) * 1961-07-05 1965-07-06 Nat Distillers Chem Corp Removal of fluorine from wet process prosphoric acid
DE1667435B1 (de) * 1967-12-19 1971-09-16 Kalk Chemische Fabrik Gmbh Verfahren zur herstellung fluorarmer phosphorsaeure
US3718729A (en) * 1971-03-15 1973-02-27 American Cyanamid Co Defluorination of wet process phosphoric acid
JPS5018388A (de) * 1973-06-21 1975-02-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837679A (de) * 1971-09-13 1973-06-02

Also Published As

Publication number Publication date
FR2277767B1 (de) 1980-08-08
DE2530658C3 (de) 1983-11-17
FR2277767A1 (fr) 1976-02-06
JPS5652848B2 (de) 1981-12-15
DE2530658A1 (de) 1976-01-29
DE2530658B2 (de) 1977-06-23
BR7504306A (pt) 1976-07-06
AU475462B2 (en) 1976-08-26
AU8268875A (en) 1976-08-26
IT1039720B (it) 1979-12-10
GB1463224A (en) 1977-02-02

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