PT89902A - Processo de remocao de metais pesados, em especial cadmio, de solucoes contendo acido fosforico - Google Patents

Processo de remocao de metais pesados, em especial cadmio, de solucoes contendo acido fosforico

Info

Publication number
PT89902A
PT89902A PT89902A PT8990289A PT89902A PT 89902 A PT89902 A PT 89902A PT 89902 A PT89902 A PT 89902A PT 8990289 A PT8990289 A PT 8990289A PT 89902 A PT89902 A PT 89902A
Authority
PT
Portugal
Prior art keywords
removal
phosphoric acid
heavy metals
solutions containing
containing phosphoric
Prior art date
Application number
PT89902A
Other languages
English (en)
Inventor
Hans Fredrik This Haraldsen
Original Assignee
Norsk Hydro As
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 Norsk Hydro As filed Critical Norsk Hydro As
Publication of PT89902A publication Critical patent/PT89902A/pt

Links

Classifications

    • 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
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C01B25/238—Cationic impurities, e.g. arsenic compounds
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B17/00—Obtaining cadmium
    • C22B17/04—Obtaining cadmium by wet processes
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/34—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing sulfur, e.g. sulfonium
    • 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)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Extraction Or Liquid Replacement (AREA)
PT89902A 1988-03-04 1989-03-03 Processo de remocao de metais pesados, em especial cadmio, de solucoes contendo acido fosforico PT89902A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO880990A NO164768C (no) 1988-03-04 1988-03-04 Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger.

Publications (1)

Publication Number Publication Date
PT89902A true PT89902A (pt) 1989-11-10

Family

ID=19890717

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89902A PT89902A (pt) 1988-03-04 1989-03-03 Processo de remocao de metais pesados, em especial cadmio, de solucoes contendo acido fosforico

Country Status (21)

Country Link
US (1) US4986970A (pt)
EP (1) EP0363455A1 (pt)
CN (1) CN1036745A (pt)
AU (1) AU3199489A (pt)
CS (1) CS274579B2 (pt)
DD (1) DD288147A5 (pt)
ES (1) ES2010149A6 (pt)
FI (1) FI895225A0 (pt)
GR (1) GR890100128A (pt)
HU (1) HU203502B (pt)
IL (1) IL89452A0 (pt)
JO (1) JO1563B1 (pt)
MA (1) MA21503A1 (pt)
NO (1) NO164768C (pt)
NZ (1) NZ228157A (pt)
PL (1) PL153527B1 (pt)
PT (1) PT89902A (pt)
TN (1) TNSN89023A1 (pt)
WO (1) WO1989008075A1 (pt)
YU (1) YU45889A (pt)
ZA (1) ZA891499B (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649391B1 (fr) * 1989-07-04 1991-10-31 Pierre Becker Procede de traitement de l'acide phosphorique pour en eliminer certains metaux lourds
US5320759A (en) * 1992-06-11 1994-06-14 Hazen Research, Inc. Selective recovery of heavy metals using xanthates
US6027543A (en) * 1996-06-07 2000-02-22 Shiro Yoshizaki Method for removing a heavy metal from sludge
TWI257915B (en) * 2004-06-29 2006-07-11 Yung-Hsiung Hsu Processes for purifying phosphoric acid
US9028787B2 (en) * 2009-09-25 2015-05-12 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
US8900539B2 (en) * 2011-03-22 2014-12-02 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
CN102502547A (zh) * 2011-10-10 2012-06-20 浙江兴达活性炭有限公司 一种磷酸法生产活性炭中的磷酸除杂工艺
CN102910954B (zh) * 2012-10-30 2014-01-01 山东红日阿康化工股份有限公司 一种低碳喷浆微晶态水溶肥的生产方法
WO2015123294A1 (en) 2014-02-11 2015-08-20 Cytec Industries Inc. Primary amine-containing polymers useful as scale inhibitors
AU2016219182B2 (en) 2015-02-11 2020-05-21 Cytec Industries Inc. Modified amines useful as scale inhibitors in wet process phosphoric acid production
FR3039830B1 (fr) 2015-08-03 2018-09-07 Ocp Sa Procede de fabrication d'un engrais a base de phosphate d'ammonium presentant une teneur reduite en cadmium
CN107043094A (zh) * 2017-04-18 2017-08-15 云南佳贝节能科技有限公司 一种浓缩磷酸的加工系统
ES2927875T3 (es) 2017-10-08 2022-11-11 Cytec Ind Inc Procedimientos para eliminar metales pesados de soluciones de ácido fosfórico
CN110526225A (zh) * 2019-09-29 2019-12-03 云南佳贝节能科技有限公司 一种磷酸脱除重金属的处理工艺
AU2021294256B2 (en) * 2020-06-16 2024-01-04 Yara International Asa Process for the removal of heavy metals from a phosphoric acid containing composition
EP3964476A1 (en) 2020-09-08 2022-03-09 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition using a flocculating agent
EP3964477A1 (en) 2020-09-08 2022-03-09 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition using an ionic polymeric surfactant
EP3964478A1 (en) 2020-09-08 2022-03-09 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition
EP4164814A1 (en) 2020-06-16 2023-04-19 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition using a flocculating agent
EP3925710A1 (en) 2020-06-16 2021-12-22 Yara International ASA Method for treating solid hazardous heavy metal-containing compositions
AU2021290982A1 (en) 2020-06-16 2023-02-09 Yara International Asa Process for the removal of heavy metals from a phosphoric acid containing composition using an ionic polymeric surfactant and use of said surfactant in the precipitation of heavy metals in a phosphoric acid containing composition
EP4298053A1 (en) * 2021-02-25 2024-01-03 Jesa Technologies LLC Method for removing heavy metals in the manufacture of phosphoric acid
WO2024047228A1 (en) 2022-09-02 2024-03-07 Cytec Industries Inc. Reagents and processes for removing heavy metals from phosphoric acid solutions
WO2024105263A1 (en) 2022-11-17 2024-05-23 Cytec Industries Inc. Compositions and processes for removing heavy metals from phosphoric acid containing streams

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418845B (sv) * 1979-05-10 1981-06-29 Boliden Ab Forfarande for rening av vatprocessfosforsyra
DE3127900A1 (de) * 1981-07-15 1983-02-03 Hoechst Ag, 6000 Frankfurt Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen
DE3134847A1 (de) * 1981-09-03 1983-03-17 Hoechst Ag, 6000 Frankfurt "verfahren zur gewinnung cadmium-freier rohphosphorsaeure"
DE3202658A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure
DE3212675A1 (de) * 1982-04-05 1983-10-06 Hoechst Ag Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln
DE3218599A1 (de) * 1982-05-18 1983-12-01 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
NL8300447A (nl) * 1983-02-05 1984-09-03 Unie Van Kunstmestfab Bv Werkwijze voor het verwijderen van zware metalen uit waterige media.
FR2557090B1 (fr) * 1983-12-23 1986-04-11 Pechiney Uranium Procede de purification de l'acide phosphorique de voie humide par elimination du cadmium
DE3434611A1 (de) * 1984-09-21 1986-04-03 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von phosphorsaeure
NL8601101A (nl) * 1986-04-29 1987-11-16 Unie Van Kunstmestfab Bv Werkwijze voor het verwijderen van cadmium uit zure, fosfaathoudende waterige media.

Also Published As

Publication number Publication date
PL278054A1 (en) 1989-11-13
NO880990D0 (no) 1988-03-04
WO1989008075A1 (en) 1989-09-08
HU892968D0 (en) 1990-05-28
DD288147A5 (de) 1991-03-21
NO880990L (no) 1989-09-05
IL89452A0 (en) 1989-09-10
MA21503A1 (fr) 1989-10-01
HU203502B (en) 1991-08-28
TNSN89023A1 (fr) 1991-02-04
CN1036745A (zh) 1989-11-01
NO164768C (no) 1990-11-14
NO164768B (no) 1990-08-06
GR890100128A (el) 1990-01-19
ZA891499B (en) 1989-11-29
FI895225A0 (fi) 1989-11-03
PL153527B1 (en) 1991-04-30
YU45889A (en) 1990-10-31
US4986970A (en) 1991-01-22
ES2010149A6 (es) 1989-10-16
AU3199489A (en) 1989-09-22
EP0363455A1 (en) 1990-04-18
HUT52460A (en) 1990-07-28
CS138189A2 (en) 1990-12-13
CS274579B2 (en) 1991-08-13
NZ228157A (en) 1991-02-26
JO1563B1 (en) 1989-12-16

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Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19940527