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ES515585A0 - "procedimiento para el tratamiento ulterior de residuos de extraccion que tienen acido sulfurico". - Google Patents

"procedimiento para el tratamiento ulterior de residuos de extraccion que tienen acido sulfurico".

Info

Publication number
ES515585A0
ES515585A0 ES515585A ES515585A ES515585A0 ES 515585 A0 ES515585 A0 ES 515585A0 ES 515585 A ES515585 A ES 515585A ES 515585 A ES515585 A ES 515585A ES 515585 A0 ES515585 A0 ES 515585A0
Authority
ES
Spain
Prior art keywords
raffinates
value
solid matter
filtered
filter cake
Prior art date
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
ES515585A
Other languages
English (en)
Other versions
ES8306329A1 (es
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.)
Hoechst AG
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 ES515585A0 publication Critical patent/ES515585A0/es
Publication of ES8306329A1 publication Critical patent/ES8306329A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/906—Phosphorus containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Peptides Or Proteins (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
ES515585A 1981-09-10 1982-09-09 "procedimiento para el tratamiento ulterior de residuos de extraccion que tienen acido sulfurico". Expired ES8306329A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813135801 DE3135801A1 (de) 1981-09-10 1981-09-10 Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung

Publications (2)

Publication Number Publication Date
ES515585A0 true ES515585A0 (es) 1983-06-01
ES8306329A1 ES8306329A1 (es) 1983-06-01

Family

ID=6141267

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515585A Expired ES8306329A1 (es) 1981-09-10 1982-09-09 "procedimiento para el tratamiento ulterior de residuos de extraccion que tienen acido sulfurico".

Country Status (9)

Country Link
US (1) US4457848A (es)
EP (1) EP0074503B1 (es)
JP (1) JPS5855318A (es)
AT (1) ATE11028T1 (es)
BR (1) BR8205262A (es)
DE (2) DE3135801A1 (es)
ES (1) ES8306329A1 (es)
IL (1) IL66660A (es)
ZA (1) ZA826607B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557090B1 (fr) * 1983-12-23 1986-04-11 Pechiney Uranium Procede de purification de l'acide phosphorique de voie humide par elimination du cadmium
DE3502215A1 (de) * 1985-01-24 1986-07-24 Hoechst Ag Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte
DE3522822A1 (de) * 1985-06-26 1987-01-02 Hoechst Ag Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren
JPS62123006A (ja) * 1985-11-22 1987-06-04 Mitsui Toatsu Chem Inc 抽残液または再抽残液からのカドミウムの除去方法
DE3913853A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur aufarbeitung von phosphorsaeure
FR2649391B1 (fr) * 1989-07-04 1991-10-31 Pierre Becker Procede de traitement de l'acide phosphorique pour en eliminer certains metaux lourds
AT396227B (de) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag Neutralisierungsmittel mit depotwirkung
GB9124353D0 (en) * 1991-11-15 1992-01-08 Albright & Wilson Immobilisation of metal contaminants from a liquid to a solid metal
WO1998051616A1 (en) * 1997-05-12 1998-11-19 Robert Hose Process for the production of gypsum from sulphuric acid containing waste streams
WO2009152148A1 (en) * 2008-06-11 2009-12-17 The Regents Of The University Of California Method and system for high recovery water desalting
JP6638345B2 (ja) * 2015-03-17 2020-01-29 住友大阪セメント株式会社 石膏の製造方法およびセメント組成物の製造方法
JP7388950B2 (ja) * 2020-02-28 2023-11-29 太平洋セメント株式会社 廃液の処理方法
JP7388949B2 (ja) * 2020-02-28 2023-11-29 太平洋セメント株式会社 廃液の処理方法
CN118108197A (zh) * 2024-02-07 2024-05-31 广东邦普循环科技有限公司 净化磷酸萃余酸的处理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1467292A1 (de) * 1963-08-24 1969-01-23 Yawata Chem Ind Co Ltd Verfahren zur kontinuierlichen Herstellung von Gips und Eisenoxyd
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
US4374810A (en) * 1978-06-01 1983-02-22 Agrico Chemical Company Recovery of fluorine from pond water of wet process phosphoric acid plants and recycling of defluorinated water
US4320012A (en) * 1979-01-22 1982-03-16 Palm Gordon F Neutralization of phosphoric acid waste waters
US4256716A (en) * 1979-03-01 1981-03-17 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction
DE2909572A1 (de) * 1979-03-12 1980-09-25 Hoechst Ag Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte

Also Published As

Publication number Publication date
ES8306329A1 (es) 1983-06-01
ATE11028T1 (de) 1985-01-15
JPS5855318A (ja) 1983-04-01
DE3135801A1 (de) 1983-03-24
EP0074503A1 (de) 1983-03-23
IL66660A (en) 1985-12-31
EP0074503B1 (de) 1985-01-02
IL66660A0 (en) 1982-12-31
ZA826607B (en) 1983-08-31
US4457848A (en) 1984-07-03
BR8205262A (pt) 1983-08-16
DE3261767D1 (en) 1985-02-14

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