JPS5018388A - - Google Patents

Info

Publication number
JPS5018388A
JPS5018388A JP7021873A JP7021873A JPS5018388A JP S5018388 A JPS5018388 A JP S5018388A JP 7021873 A JP7021873 A JP 7021873A JP 7021873 A JP7021873 A JP 7021873A JP S5018388 A JPS5018388 A JP S5018388A
Authority
JP
Japan
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.)
Pending
Application number
JP7021873A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP7021873A priority Critical patent/JPS5018388A/ja
Priority to DE19742429758 priority patent/DE2429758A1/en
Priority to GB2778574A priority patent/GB1442919A/en
Priority to FR7421718A priority patent/FR2234228B1/fr
Publication of JPS5018388A publication Critical patent/JPS5018388A/ja
Pending 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
    • 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)
  • Silicon Compounds (AREA)
  • Extraction Or Liquid Replacement (AREA)
JP7021873A 1973-06-21 1973-06-21 Pending JPS5018388A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7021873A JPS5018388A (en) 1973-06-21 1973-06-21
DE19742429758 DE2429758A1 (en) 1973-06-21 1974-06-21 METHOD FOR CLEANING UP WET DIGESTED PHOSPHORIC ACID
GB2778574A GB1442919A (en) 1973-06-21 1974-06-21 Process for purification of phosphoric acid
FR7421718A FR2234228B1 (en) 1973-06-21 1974-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7021873A JPS5018388A (en) 1973-06-21 1973-06-21

Publications (1)

Publication Number Publication Date
JPS5018388A true JPS5018388A (en) 1975-02-26

Family

ID=13425172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7021873A Pending JPS5018388A (en) 1973-06-21 1973-06-21

Country Status (4)

Country Link
JP (1) JPS5018388A (en)
DE (1) DE2429758A1 (en)
FR (1) FR2234228B1 (en)
GB (1) GB1442919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105730U (en) * 1977-01-31 1978-08-25

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516894A (en) * 1974-07-09 1976-01-20 Toyo Soda Mfg Co Ltd Seiseirinsanno seizoho
DE2538720C2 (en) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for purifying wet process phosphoric acid
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound
JPS5297393A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Purification of extracted phosphoric acid
CA1124031A (en) * 1978-03-30 1982-05-25 Bruce D. Wells Regeneration of activated carbon employed in the wet process production of phosphoric acid
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
FR2437377A1 (en) * 1978-09-29 1980-04-25 Rhone Poulenc Ind PROCESS FOR OBTAINING A DESULPHATED PHOSPHORIC ACID FOR FOOD USE
AU5545180A (en) * 1979-02-21 1980-08-28 Calgon Corporation Purifying brown phosphoric acid
SE418845B (en) * 1979-05-10 1981-06-29 Boliden Ab PROCEDURE FOR PURIFICATION OF VAT PROCESS PHOSPHORIC ACID
DE2945874A1 (en) 1979-11-14 1981-05-27 Hoechst Ag, 6000 Frankfurt METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID
US4407725A (en) 1980-08-21 1983-10-04 International Minerals & Chemical Corp. Regeneration of activated carbon
JPS58125607A (en) * 1982-01-18 1983-07-26 Toyo Soda Mfg Co Ltd Method of removing organic substance from phosphoric acid prepared by wet process
FR2520342A1 (en) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base PROCESS FOR PURIFYING PHOSPHORIC ACID FROM WETWAY
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid
DE3444975A1 (en) * 1984-12-10 1986-06-12 Hoechst Ag, 6230 Frankfurt METHOD FOR DEARSENIZING PHOSPHORIC ACID SOLUTIONS
DE3806822A1 (en) * 1988-03-03 1989-09-14 Hoechst Ag CONTINUOUS PROCESS FOR COMPLETELY REMOVING ORGANIC IMPURITIES AND COMPLETELY DISCHARGING PRE-CLEANED WET PHOSPHORIC ACIDS
CN103030124B (en) * 2011-12-16 2014-12-31 湖北兴发化工集团股份有限公司 Method for preparing food-grade phosphoric acid from medium/low-grade phosphorite
CN103979510A (en) * 2014-04-25 2014-08-13 防城港博森化工有限公司 Dearsenization method in production of phosphoric acid
CN109795996A (en) * 2019-03-26 2019-05-24 陕西金禹科技发展有限公司 A kind of phosphoric acid by wet process vulcanization arsenic removal purification device and method
CN114804047A (en) * 2022-04-06 2022-07-29 瓮福（集团）有限责任公司 Phosphoric acid purification and dearsenification process
CN114832747A (en) * 2022-04-06 2022-08-02 瓮福（集团）有限责任公司 Phosphoric acid purifies dearsenification device
CN115159482B (en) * 2022-07-28 2024-01-23 黄冈Tcl环境科技有限公司 A method for preparing electronic grade phosphoric acid through purification of waste phosphoric acid etching solution
CN115924871B (en) * 2022-12-02 2023-09-15 上海太洋科技有限公司 A kind of preparation method of optical grade copper metaphosphate
CN116281910A (en) * 2023-01-10 2023-06-23 瓮福（集团）有限责任公司 A method for preparing feed grade calcium hydrogen phosphate by wet purification of phosphoric acid by-products

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL295743A (en) * 1962-07-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105730U (en) * 1977-01-31 1978-08-25

Also Published As

Publication number Publication date
GB1442919A (en) 1976-07-14
FR2234228B1 (en) 1976-10-22
DE2429758A1 (en) 1975-01-23
FR2234228A1 (en) 1975-01-17

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