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 GB2778574A priority patent/GB1442919A/en
Priority to DE19742429758 priority patent/DE2429758A1/de
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)
  • Extraction Or Liquid Replacement (AREA)
  • Silicon Compounds (AREA)
JP7021873A 1973-06-21 1973-06-21 Pending JPS5018388A (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7021873A JPS5018388A (it) 1973-06-21 1973-06-21
GB2778574A GB1442919A (en) 1973-06-21 1974-06-21 Process for purification of phosphoric acid
DE19742429758 DE2429758A1 (de) 1973-06-21 1974-06-21 Verfahren zum reinigen nass aufgeschlossener phosphorsaeure
FR7421718A FR2234228B1 (it) 1973-06-21 1974-06-21

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=13425172

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

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

Families Citing this family (22)

* 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 (de) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Reinigung von Naßverfahrensphosphorsäure
JPS5297393A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Purification of extracted 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
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 (fr) * 1978-09-29 1980-04-25 Rhone Poulenc Ind Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire
AU5545180A (en) * 1979-02-21 1980-08-28 Calgon Corporation Purifying brown phosphoric acid
SE418845B (sv) * 1979-05-10 1981-06-29 Boliden Ab Forfarande for rening av vatprocessfosforsyra
DE2945874A1 (de) * 1979-11-14 1981-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
JPS58125607A (ja) * 1982-01-18 1983-07-26 Toyo Soda Mfg Co Ltd 湿式リン酸から有機物を除く方法
FR2520342A1 (fr) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base Procede de purification d'acide phosphorique de voie humide
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid
DE3444975A1 (de) * 1984-12-10 1986-06-12 Hoechst Ag, 6230 Frankfurt Verfahren zur entarsenierung von phosphorsauren loesungen
DE3806822A1 (de) * 1988-03-03 1989-09-14 Hoechst Ag Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
CN103030124B (zh) * 2011-12-16 2014-12-31 湖北兴发化工集团股份有限公司 一种利用中低品位磷矿制备食品级磷酸的方法
CN103979510A (zh) * 2014-04-25 2014-08-13 防城港博森化工有限公司 一种磷酸生产中的脱砷方法
CN109795996A (zh) * 2019-03-26 2019-05-24 陕西金禹科技发展有限公司 一种湿法磷酸硫化除砷净化装置及方法
CN114804047A (zh) * 2022-04-06 2022-07-29 瓮福（集团）有限责任公司 一种磷酸净化脱砷工艺
CN115159482B (zh) * 2022-07-28 2024-01-23 黄冈Tcl环境科技有限公司 一种通过废磷酸蚀刻液净化制备电子级磷酸的方法
CN115924871B (zh) * 2022-12-02 2023-09-15 上海太洋科技有限公司 一种光学级偏磷酸铜的制备方法
CN116281910A (zh) * 2023-01-10 2023-06-23 瓮福（集团）有限责任公司 一种利用湿法净化磷酸副产物制备饲料级磷酸氢钙的方法

Family Cites Families (1)

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

Cited By (1)

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

Also Published As

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

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