FR2234228A1 - - Google Patents

Info

Publication number
FR2234228A1
FR2234228A1 FR7421718A FR7421718A FR2234228A1 FR 2234228 A1 FR2234228 A1 FR 2234228A1 FR 7421718 A FR7421718 A FR 7421718A FR 7421718 A FR7421718 A FR 7421718A FR 2234228 A1 FR2234228 A1 FR 2234228A1
Authority
FR
France
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.)
Granted
Application number
FR7421718A
Other languages
French (fr)
Other versions
FR2234228B1 (uk
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Publication of FR2234228A1 publication Critical patent/FR2234228A1/fr
Application granted granted Critical
Publication of FR2234228B1 publication Critical patent/FR2234228B1/fr
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
    • C01B25/234—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)
FR7421718A 1973-06-21 1974-06-21 Expired FR2234228B1 (uk)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2234228A1 true FR2234228A1 (uk) 1975-01-17
FR2234228B1 FR2234228B1 (uk) 1976-10-22

Family

ID=13425172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421718A Expired FR2234228B1 (uk) 1973-06-21 1974-06-21

Country Status (4)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004807A2 (en) * 1978-03-30 1979-10-17 Calgon Corporation Regeneration of carbon employed in the wet process production of phosphoric acid
FR2437377A1 (fr) * 1978-09-29 1980-04-25 Rhone Poulenc Ind Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire
FR2520342A1 (fr) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base Procede de purification d'acide phosphorique de voie humide
EP0184690A2 (de) * 1984-12-10 1986-06-18 Hoechst Aktiengesellschaft Verfahren zur Entarsenierung von phosphorsauren Lösungen
CN115924871A (zh) * 2022-12-02 2023-04-07 上海太洋科技有限公司 一种光学级偏磷酸铜的制备方法

Families Citing this family (18)

* 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
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
JPS53105730U (uk) * 1977-01-31 1978-08-25
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
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
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1336816A (fr) * 1962-07-25 1963-09-06 Progil Clarification de solutions d'acide phosphorique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1336816A (fr) * 1962-07-25 1963-09-06 Progil Clarification de solutions d'acide phosphorique

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004807A2 (en) * 1978-03-30 1979-10-17 Calgon Corporation Regeneration of carbon employed in the wet process production of phosphoric acid
EP0004807A3 (en) * 1978-03-30 1979-10-31 Calgon Corporation Activated carbon and process for regenerating it after use in the wet process production of phosphoric acid or alkali metal phosphates
FR2437377A1 (fr) * 1978-09-29 1980-04-25 Rhone Poulenc Ind Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire
FR2520342A1 (fr) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base Procede de purification d'acide phosphorique de voie humide
EP0086118A1 (fr) * 1982-01-25 1983-08-17 Rhone-Poulenc Chimie Procédé de purification d'acide phosphorique de voie humide
US4769226A (en) * 1982-01-25 1988-09-06 Rhone-Poulenc Chimie De Base Purification of wet-process phosphoric acid
EP0184690A2 (de) * 1984-12-10 1986-06-18 Hoechst Aktiengesellschaft Verfahren zur Entarsenierung von phosphorsauren Lösungen
EP0184690A3 (en) * 1984-12-10 1988-03-23 Hoechst Aktiengesellschaft Process for the removal of arsenic from phosphino-acid solutions
CN115924871A (zh) * 2022-12-02 2023-04-07 上海太洋科技有限公司 一种光学级偏磷酸铜的制备方法
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

Also Published As

Publication number Publication date
DE2429758A1 (de) 1975-01-23
GB1442919A (en) 1976-07-14
FR2234228B1 (uk) 1976-10-22
JPS5018388A (uk) 1975-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse