IT988237B - Purificazione dell acido fosfo rico - Google Patents

Purificazione dell acido fosfo rico

Info

Publication number
IT988237B
IT988237B IT50635/73A IT5063573A IT988237B IT 988237 B IT988237 B IT 988237B IT 50635/73 A IT50635/73 A IT 50635/73A IT 5063573 A IT5063573 A IT 5063573A IT 988237 B IT988237 B IT 988237B
Authority
IT
Italy
Prior art keywords
rico
phospho
purification
acid
rico acid
Prior art date
Application number
IT50635/73A
Other languages
English (en)
Inventor
F Sakumi
N Taketoshi
T Itaru
Original Assignee
Toyo Soda Mfg 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 Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Application granted granted Critical
Publication of IT988237B publication Critical patent/IT988237B/it

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)
IT50635/73A 1972-06-10 1973-06-11 Purificazione dell acido fosfo rico IT988237B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT988237B true IT988237B (it) 1975-04-10

Family

ID=13071930

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50635/73A IT988237B (it) 1972-06-10 1973-06-11 Purificazione dell acido fosfo rico

Country Status (10)

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

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 (it) * 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 (it) * 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 (it) 1974-02-15
NL7305245A (it) 1973-12-12
FR2187690A1 (it) 1974-01-18
DE2321882A1 (de) 1973-12-20
JPS5333960B2 (it) 1978-09-18
GB1379351A (en) 1975-01-02
IL42125A0 (en) 1973-06-29
DE2321882C3 (de) 1979-03-01
BR7302857D0 (pt) 1974-02-19
FR2187690B1 (it) 1976-09-10
US3920797A (en) 1975-11-18
NL161421C (nl) 1980-02-15
DE2321882B2 (de) 1978-06-29

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