BR7302857D0 - Processo para purificacao de solucoes de acido fosforico - Google Patents

Processo para purificacao de solucoes de acido fosforico

Info

Publication number
BR7302857D0
BR7302857D0 BR2857/73A BR285773A BR7302857D0 BR 7302857 D0 BR7302857 D0 BR 7302857D0 BR 2857/73 A BR2857/73 A BR 2857/73A BR 285773 A BR285773 A BR 285773A BR 7302857 D0 BR7302857 D0 BR 7302857D0
Authority
BR
Brazil
Prior art keywords
purification
phosphoric acid
acid solutions
solutions
phosphoric
Prior art date
Application number
BR2857/73A
Other languages
English (en)
Inventor
Nakajima Jaketoshi
Toshimitsu Itam
Fujii Sakumi
Original Assignee
Toyo Soda Masuifacturing Co Lt
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 Masuifacturing Co Lt filed Critical Toyo Soda Masuifacturing Co Lt
Publication of BR7302857D0 publication Critical patent/BR7302857D0/pt

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)
  • Manufacture And Refinement Of Metals (AREA)
BR2857/73A 1972-06-10 1973-04-18 Processo para purificacao de solucoes de acido fosforico BR7302857D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5800872A JPS5333960B2 (pt) 1972-06-10 1972-06-10

Publications (1)

Publication Number Publication Date
BR7302857D0 true BR7302857D0 (pt) 1974-02-19

Family

ID=13071930

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2857/73A BR7302857D0 (pt) 1972-06-10 1973-04-18 Processo para purificacao de solucoes de acido fosforico

Country Status (10)

Country Link
US (1) US3920797A (pt)
JP (1) JPS5333960B2 (pt)
BE (1) BE798598A (pt)
BR (1) BR7302857D0 (pt)
DE (1) DE2321882C3 (pt)
FR (1) FR2187690B1 (pt)
GB (1) GB1379351A (pt)
IL (1) IL42125A (pt)
IT (1) IT988237B (pt)
NL (1) NL161421C (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten
US4203956A (en) * 1976-02-10 1980-05-20 Hoechst Aktiengesellschaft Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates
JPS5355495A (en) * 1976-10-29 1978-05-19 Toyo Soda Mfg Co Ltd Purifying method for wet process phosphoric acid
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
DE102016212242B4 (de) * 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955918A (en) * 1956-08-24 1960-10-11 Monsanto Chemicals Purification of phosphoric acid
GB1053929A (pt) * 1962-12-06
US3338674A (en) * 1963-05-09 1967-08-29 Avraham M Baniel Process for preparation of substantially pure phosphoric acid
GB1060201A (en) * 1965-02-01 1967-03-01 Imp Smelting Corp Ltd Improvements in or relating to the separation of zinc from cadmium
NL6904478A (pt) * 1968-03-28 1969-09-30
US3595613A (en) * 1968-07-01 1971-07-27 Allied Chem Production of phosphoric acid
US3723606A (en) * 1970-12-21 1973-03-27 Allied Chem Production of phosphoric acid

Also Published As

Publication number Publication date
IL42125A (en) 1977-03-31
BE798598A (fr) 1973-10-24
NL161421B (nl) 1979-09-17
JPS4917399A (pt) 1974-02-15
NL7305245A (pt) 1973-12-12
FR2187690A1 (pt) 1974-01-18
DE2321882A1 (de) 1973-12-20
JPS5333960B2 (pt) 1978-09-18
GB1379351A (en) 1975-01-02
IT988237B (it) 1975-04-10
IL42125A0 (en) 1973-06-29
DE2321882C3 (de) 1979-03-01
FR2187690B1 (pt) 1976-09-10
US3920797A (en) 1975-11-18
NL161421C (nl) 1980-02-15
DE2321882B2 (de) 1978-06-29

Similar Documents

Publication Publication Date Title
BR7305527D0 (pt) Processo para obtencao de esteres de acido difosfenico
BR7303973D0 (pt) Processo para a obtencao de esteres de acido fosforico
BR7700036A (pt) Processo para purificacao de acido fosforico
BR7403318D0 (pt) Processo para a purificacao de acido fosforico umido
BR7504237A (pt) Aperfeicoamentos em processo para producao de acido fosforico
BR7105209D0 (pt) Processo aperfeicoado para tratamento de acido fosforico
BR7405372A (pt) Processo para purificar acido fosforico
IT1015054B (it) Processo per la rigenerazione di acido solforico
BR7405932D0 (pt) Processo de purificacao de acido fosforico
IT995777B (it) Processo per il recupero di acido fluoridrico
BR7105809D0 (pt) Processo para desfluoracao de acido fosforico preparado por via umida
BR7302857D0 (pt) Processo para purificacao de solucoes de acido fosforico
BR7309124D0 (pt) Processo para preparacao de amidas do acido n-cloroformil- carbonico
BR7307571D0 (pt) Processo para o tratamento de um acido fluor-silicico aquoso
BR7605592A (pt) Processo para producao de acido tereftalico purificado
IT1009613B (it) Processo di purificazione di aci do fosforico
IT1059808B (it) Procedimento per la purificazione dell acido fosforico
BR7506423A (pt) Processo e instalacao para purificacao de acido fosforico produzido por via umida
BR7303025D0 (pt) Processo para purificacao de acidos fosforicos
BR7604328A (pt) Processo para purificar uma solucao de acido fosforico
BR7400251D0 (pt) Aperfeicoamento em processo de purificacao de acido fosforico
BR7405005A (pt) Processo para preparacao de acido 3-ceto-glutarico
IT995298B (it) Processo per la separazione di acido cianidrico
BR7403693D0 (pt) Aperfeicoamento em processo para a purificacao de acido fosforico bruto
BR7301961D0 (pt) Processo para a preparacao de diester de acido sucinilosicinico