BE802541A - Procede de preparation de l'acide phosphorique - Google Patents

Procede de preparation de l'acide phosphorique

Info

Publication number
BE802541A
BE802541A BE133641A BE133641A BE802541A BE 802541 A BE802541 A BE 802541A BE 133641 A BE133641 A BE 133641A BE 133641 A BE133641 A BE 133641A BE 802541 A BE802541 A BE 802541A
Authority
BE
Belgium
Prior art keywords
preparation
phosphoric acid
phosphoric
acid
Prior art date
Application number
BE133641A
Other languages
English (en)
Original Assignee
Mizusawa Industrial Chem
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 Chem filed Critical Mizusawa Industrial Chem
Publication of BE802541A publication Critical patent/BE802541A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222Preparation 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
    • C01B25/232Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
BE133641A 1972-11-25 1973-07-19 Procede de preparation de l'acide phosphorique BE802541A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE802541A true BE802541A (fr) 1973-11-16

Family

ID=14734265

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133641A BE802541A (fr) 1972-11-25 1973-07-19 Procede de preparation de l'acide phosphorique

Country Status (15)

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

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 (fr) * 1979-07-06 1981-01-22 Occidental Chem Co Recuperation de fluorure d'hydrogene a partir de fluorures metalliques
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
EA025514B1 (ru) * 2011-06-01 2016-12-30 Прэйон Текнолоджис Способ получения фосфорной кислоты дигидратного/полугидратного типа
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 (fr) * 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
CA1005619A (en) 1977-02-22
DE2336843B2 (de) 1980-04-03
DE2336843C3 (de) 1980-11-27
IT994996B (it) 1975-10-20
NO137589B (no) 1977-12-12
ES417103A1 (es) 1976-03-01
JPS4976794A (fr) 1974-07-24
NL162612C (nl) 1980-06-16
NL162612B (nl) 1980-01-15
AU5763973A (en) 1975-01-09
JPS5230959B2 (fr) 1977-08-11
FR2207862A1 (fr) 1974-06-21
IN140024B (fr) 1976-09-04
US3935298A (en) 1976-01-27
AU474217B2 (en) 1976-07-15
NO137589C (no) 1978-03-21
FR2207862B1 (fr) 1977-05-13
SU568355A3 (ru) 1977-08-05
GB1432579A (en) 1976-04-22
NL7310137A (fr) 1974-05-28
DE2336843A1 (de) 1974-06-12
SE398492B (sv) 1977-12-27

Similar Documents

Publication Publication Date Title
BE791653A (fr) Procede electrolytique de preparation de l'acide
FR2296639A1 (fr) Procede de preparation de l'acide 7-d-(-)a-amino-a-(p-hydroxyphenylacetamido)-desacetoxycephalosporanique
BE793710A (fr) Procede de preparation d'acide (&)-trans-chrysanthemique
BE802541A (fr) Procede de preparation de l'acide phosphorique
BE780604A (fr) Procede de preparation de derives d'acide
FR2286817A1 (fr) Procede de preparation d'acide 5-fluoro-2-methyl-1-(p-methylsulfinylbenzylidene)-indenyl-3-acetique
BE776407A (fr) Procede de preparation de l'acide phenyl-1-vinylphosphorique
RO67820A (fr) Procede pour la purification d'acide phosphorique
BE807260A (fr) Procede de preparation d'acide trans- chrysanthemique
RO71431A (fr) Procede de preparation des derives de l'acide pregnanique
BE798598A (fr) Procede de purification de l'acide phosphorique
OA04328A (fr) Procédé de préparation d'acide 2-alcoxy-5-alcoylsul-fonylbenzoque.
RO66639A (fr) Procede pour la preparation de l'acide n5-methyltetrahydrohomopholique
RO62874A (fr) Procede pour la preparation des n-(iminomethylidene)-thiol-esterimides d'acide phosphorique
BE804372A (fr) Procede de preparation de l'acide anthraquinone-1-carboxylique
BE806868A (fr) Procede de preparation de l'acide 7-(d-alpha-aminophenylacetamido) -3-desacetoxycephalosporanique
BE804268A (fr) Procede de preparation de l'acide acrylique
RO62391A (fr) Procede pour la preparation des amidoesters d'acide thiophosphorique
BE803648A (fr) Procede de preparation de l'acide alpha- chloracrylique
BE815214A (fr) Procede de preparation d'acide 3-acetamido-5-amino-2
BE799431A (fr) Procede de preparation d'acide chloro-2-ethane-phosphonique
BE804391A (fr) Procede de preparation de derives d'acide 7-amino-3-cepheme-4-carboxylique
BE787146A (fr) Procede de preparation d'acide phosphorique par voie humide
BE785086A (fr) Procede de preparation de l'acide 3-0-(beta- carboxypropionyl)-18beta-glycyrrhetique
BE801828A (fr) Procede ameliore de preparation de l'acide 1,12-didecanedioique