ZA857221B - Process for purifying phosphoric acid - Google Patents

Process for purifying phosphoric acid

Info

Publication number
ZA857221B
ZA857221B ZA857221A ZA857221A ZA857221B ZA 857221 B ZA857221 B ZA 857221B ZA 857221 A ZA857221 A ZA 857221A ZA 857221 A ZA857221 A ZA 857221A ZA 857221 B ZA857221 B ZA 857221B
Authority
ZA
South Africa
Prior art keywords
phosphoric acid
acid
adsorbent
ester
purifying phosphoric
Prior art date
Application number
ZA857221A
Other languages
English (en)
Inventor
Guenther Schimmel
Reinhard Gradl
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA857221B publication Critical patent/ZA857221B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G13/00—Compounds of mercury
    • C01G13/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • 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
    • C01B25/237—Selective elimination of impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00—Compounds of cadmium
    • C01G11/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G21/00—Compounds of lead
    • C01G21/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G28/00—Compounds of arsenic
    • C01G28/001—Preparation involving a solvent-solvent extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Fuel Cell (AREA)
  • Saccharide Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Carbon And Carbon Compounds (AREA)
ZA857221A 1984-09-21 1985-09-20 Process for purifying phosphoric acid ZA857221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843434611 DE3434611A1 (de) 1984-09-21 1984-09-21 Verfahren zur reinigung von phosphorsaeure

Publications (1)

Publication Number Publication Date
ZA857221B true ZA857221B (en) 1986-05-28

Family

ID=6245924

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA857221A ZA857221B (en) 1984-09-21 1985-09-20 Process for purifying phosphoric acid

Country Status (11)

Country Link
US (1) US4713229A (fr)
EP (1) EP0179242B1 (fr)
JP (1) JPS6177614A (fr)
AT (1) ATE36144T1 (fr)
BR (1) BR8504621A (fr)
DE (2) DE3434611A1 (fr)
ES (1) ES8608448A1 (fr)
FI (1) FI853604L (fr)
IL (1) IL76238A (fr)
MA (1) MA20528A1 (fr)
ZA (1) ZA857221B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622597A1 (de) * 1986-07-04 1988-01-07 Budenheim Rud A Oetker Chemie Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung
DE3806822A1 (de) * 1988-03-03 1989-09-14 Hoechst Ag Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
NO164768C (no) * 1988-03-04 1990-11-14 Norsk Hydro As Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger.
IL85751A (en) * 1988-03-16 1991-12-15 Negev Phosphates Ltd Method for the removal of heavy metal ions from phosphoric acid
DE3913853A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur aufarbeitung von phosphorsaeure
US8039658B2 (en) * 2008-07-25 2011-10-18 Air Products And Chemicals, Inc. Removal of trace arsenic impurities from triethylphosphate (TEPO)
CN104609381A (zh) * 2015-01-21 2015-05-13 江西物丰磷业科技有限公司 一种窑法磷酸净化方法
CN106145076B (zh) * 2016-06-30 2018-02-02 四川大学 一种湿法磷酸的净化工艺
EP3691992B1 (fr) 2017-10-08 2022-07-06 Cytec Industries Inc. Procédés d'élimination de métaux lourds de soutions d'acide phosphorique
CN120019023A (zh) 2022-09-02 2025-05-16 塞特工业公司 用于从磷酸溶液中去除重金属的试剂和方法
AU2023381612A1 (en) 2022-11-17 2025-05-22 Cytec Industries Inc. Compositions and processes for removing heavy metals from phosphoric acid containing streams
CN115893343A (zh) * 2022-11-28 2023-04-04 湖北鑫钰鸿成科技有限公司 一种湿法磷酸的脱砷方法
FR3146604B1 (fr) 2023-03-16 2025-10-17 Univ Mohammed Vi Polytechnique Procédé de traitement de l’acide phosphorique par flottation ionique
IL324656A (en) 2023-06-15 2026-01-01 Cytec Ind Inc Heavy metals removal from phosphoric acid containing streams
CN119976759B (zh) * 2025-01-20 2025-11-25 四川大学 一种食品级磷酸制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA763871A (en) * 1967-07-25 Husken Albert Method of purifying phosphoric acid in the manufacturing phase
US3635661A (en) * 1967-11-17 1972-01-18 Allied Chem Solvent extraction process for separating ionic compounds
US3993733A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade alkali metal phosphates from wet process H3 PO4
CA1086475A (fr) * 1976-05-06 1980-09-30 Richard N. Hill Production par voie humide d'acide phosphorique stabilise
US4275038A (en) * 1979-03-01 1981-06-23 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients
US4256716A (en) * 1979-03-01 1981-03-17 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction
DE3127900A1 (de) * 1981-07-15 1983-02-03 Hoechst Ag, 6000 Frankfurt Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen
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
DE3202658A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure
IL69100A (en) * 1982-07-21 1986-11-30 Hoechst Ag Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid

Also Published As

Publication number Publication date
DE3564096D1 (en) 1988-09-08
JPS6177614A (ja) 1986-04-21
FI853604A0 (fi) 1985-09-19
ES546264A0 (es) 1986-07-16
ES8608448A1 (es) 1986-07-16
IL76238A0 (en) 1986-01-31
FI853604A7 (fi) 1986-03-22
BR8504621A (pt) 1986-07-15
ATE36144T1 (de) 1988-08-15
DE3434611A1 (de) 1986-04-03
IL76238A (en) 1988-07-31
EP0179242A3 (en) 1986-09-17
EP0179242B1 (fr) 1988-08-03
EP0179242A2 (fr) 1986-04-30
MA20528A1 (fr) 1986-04-01
FI853604L (fi) 1986-03-22
US4713229A (en) 1987-12-15

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