CA1005619A - Process for the preparation of phosphoric acid - Google Patents

Process for the preparation of phosphoric acid

Info

Publication number
CA1005619A
CA1005619A CA176,952A CA176952A CA1005619A CA 1005619 A CA1005619 A CA 1005619A CA 176952 A CA176952 A CA 176952A CA 1005619 A CA1005619 A CA 1005619A
Authority
CA
Canada
Prior art keywords
preparation
phosphoric acid
phosphoric
acid
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.)
Expired
Application number
CA176,952A
Other languages
English (en)
Other versions
CA176952S (en
Inventor
Yujiro Sugahara
Yoshibumi Noshi
Hiroyuki Naito
Akira Takahashi
Syoji Syoji
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.)
Mizusawa Industrial Chemicals Ltd
Original Assignee
Mizusawa Industrial Chemicals 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 Mizusawa Industrial Chemicals Ltd filed Critical Mizusawa Industrial Chemicals Ltd
Application granted granted Critical
Publication of CA1005619A publication Critical patent/CA1005619A/en
Expired 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/232—Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
    • 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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicon Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA176,952A 1972-11-25 1973-07-20 Process for the preparation of phosphoric acid Expired CA1005619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47118341A JPS5230959B2 (ja) 1972-11-25 1972-11-25

Publications (1)

Publication Number Publication Date
CA1005619A true CA1005619A (en) 1977-02-22

Family

ID=14734265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,952A Expired CA1005619A (en) 1972-11-25 1973-07-20 Process for the preparation of phosphoric acid

Country Status (15)

Country Link
US (1) US3935298A (ja)
JP (1) JPS5230959B2 (ja)
AU (1) AU474217B2 (ja)
BE (1) BE802541A (ja)
CA (1) CA1005619A (ja)
DE (1) DE2336843C3 (ja)
ES (1) ES417103A1 (ja)
FR (1) FR2207862B1 (ja)
GB (1) GB1432579A (ja)
IN (1) IN140024B (ja)
IT (1) IT994996B (ja)
NL (1) NL162612C (ja)
NO (1) NO137589C (ja)
SE (1) SE398492B (ja)
SU (1) SU568355A3 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233281A (en) * 1978-06-09 1980-11-11 Occidental Chemical Company Recovery of hydrogen fluoride from metallic fluoride salts
WO1981000099A1 (en) * 1979-07-06 1981-01-22 Occidental Chem Co Recovery of hydrogen fluoride from metallic fluoride salts
FR2464921A1 (fr) 1979-09-07 1981-03-20 Grp Franco Senegal Etud Procede de traitement d'un phosphate aluminocalcique
US4277454A (en) * 1979-09-18 1981-07-07 J. R. Simplot Company Methods for the control of excessive corrosion in phosphoric acid circuits
US4367197A (en) * 1979-09-18 1983-01-04 J. R. Simplot Company Method for the control of excessive corrosion in phosphoric acid circuits
JPS59148083U (ja) * 1983-03-25 1984-10-03 光洋電子工業株式会社 コネクタ用ソケツトのカバ−
DE3437689A1 (de) * 1984-10-15 1986-04-17 Hoechst Ag, 6230 Frankfurt Vorrichtung zur reduktion von eisen und vanadium in phosphorsaurer loesung
US4710366A (en) * 1986-10-23 1987-12-01 Freeport Minerals Company Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum
US7908765B2 (en) * 2006-12-22 2011-03-22 Collette Nv Continuous granulating and drying apparatus
MX339999B (es) * 2011-06-01 2016-06-20 Prayon Tech Procedimiento de produccion de acido fosforico de tipo dihidratado/hemihidratado.
CN105253867B (zh) 2015-09-18 2017-10-17 金正大生态工程集团股份有限公司 一种湿法磷酸副产α半水石膏的生产方法
CN105217590B (zh) 2015-09-18 2017-05-10 金正大诺泰尔化学有限公司 一种生产湿法磷酸副产α半水石膏和高纯度高白度α半水石膏的方法
US11560310B1 (en) * 2022-02-11 2023-01-24 Jesa Technologies Llc Method for producing a calcium phosphate salt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929441A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion product thereof
US2384813A (en) * 1941-08-15 1945-09-18 Southern Phosphate Corp Manufacture of pure phosphoric acid
US2384814A (en) * 1941-08-15 1945-09-18 Southern Phosphate Corp Production of pure phosphoric acid and intermediate products
US2504544A (en) * 1947-01-28 1950-04-18 Davison Chemical Corp Process of manufacturing phosphoric acid
DE1027647B (de) * 1955-02-16 1958-04-10 Nordengren & Co Ab Verfahren zur Herstellung von Phosphorsaeure
US2954287A (en) * 1957-03-29 1960-09-27 John N Carothers Process of forming phosphate solutions
US3161467A (en) * 1962-04-17 1964-12-15 Tennessee Valley Authority Direct method for the production of high-analysis phosphoric acid
SE328266B (ja) * 1967-05-17 1970-09-14 Mizusawa Industrial Chem
US3607030A (en) * 1968-06-20 1971-09-21 Leprechaun Mining And Chemical Process for the direct production of concentrated wet-process phosphoric acid
US3627485A (en) * 1968-11-05 1971-12-14 Nippon Kokan Kk Method of producing calcium sulfate dihydrate

Also Published As

Publication number Publication date
GB1432579A (en) 1976-04-22
SU568355A3 (ru) 1977-08-05
BE802541A (fr) 1973-11-16
DE2336843B2 (de) 1980-04-03
AU474217B2 (en) 1976-07-15
NL162612B (nl) 1980-01-15
AU5763973A (en) 1975-01-09
IT994996B (it) 1975-10-20
DE2336843A1 (de) 1974-06-12
IN140024B (ja) 1976-09-04
NO137589C (no) 1978-03-21
US3935298A (en) 1976-01-27
NO137589B (no) 1977-12-12
JPS4976794A (ja) 1974-07-24
FR2207862B1 (ja) 1977-05-13
ES417103A1 (es) 1976-03-01
SE398492B (sv) 1977-12-27
FR2207862A1 (ja) 1974-06-21
JPS5230959B2 (ja) 1977-08-11
DE2336843C3 (de) 1980-11-27
NL7310137A (ja) 1974-05-28
NL162612C (nl) 1980-06-16

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