DD288147A5 - Verfahren zur entfernung von schwermetallen, insbesondere cadmium, aus phosphorsaeure enthaltenden loesungen - Google Patents

Verfahren zur entfernung von schwermetallen, insbesondere cadmium, aus phosphorsaeure enthaltenden loesungen Download PDF

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Publication number
DD288147A5
DD288147A5 DD89326246A DD32624689A DD288147A5 DD 288147 A5 DD288147 A5 DD 288147A5 DD 89326246 A DD89326246 A DD 89326246A DD 32624689 A DD32624689 A DD 32624689A DD 288147 A5 DD288147 A5 DD 288147A5
Authority
DD
German Democratic Republic
Prior art keywords
heavy metals
phosphoric acid
solution
cadmium
removal
Prior art date
Application number
DD89326246A
Other languages
German (de)
English (en)
Inventor
Hans F Th Haraldsen
Original Assignee
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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 �������@������@�K�Kk�� filed Critical �������@������@�K�Kk��
Publication of DD288147A5 publication Critical patent/DD288147A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/237Selective elimination of impurities
    • C01B25/238Cationic impurities, e.g. arsenic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00Compounds of cadmium
    • C01G11/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B17/00Obtaining cadmium
    • C22B17/04Obtaining cadmium by wet processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/34Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing sulfur, e.g. sulfonium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
DD89326246A 1988-03-04 1989-03-03 Verfahren zur entfernung von schwermetallen, insbesondere cadmium, aus phosphorsaeure enthaltenden loesungen DD288147A5 (de)

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
DD288147A5 true DD288147A5 (de) 1991-03-21

Family

ID=19890717

Family Applications (1)

Application Number Title Priority Date Filing Date
DD89326246A DD288147A5 (de) 1988-03-04 1989-03-03 Verfahren zur entfernung von schwermetallen, insbesondere cadmium, aus phosphorsaeure enthaltenden loesungen

Country Status (21)

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

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
US9242863B2 (en) * 2009-09-25 2016-01-26 Cytec Technology Corp. Process and reagents for the inhibition or reduction of scale formation during 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
EA201891738A1 (ru) 2014-02-11 2019-01-31 Сайтек Индастриз Инк. Полимеры, содержащие первичный амин, подходящие в качестве ингибиторов накипеобразования
BR112017017209B1 (pt) 2015-02-11 2023-02-14 Cytec Industries Inc Processo para inibir incrustação
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
PL3691992T3 (pl) 2017-10-08 2022-10-24 Cytec Industries Inc. Sposoby usuwania metali ciężkich z roztworów kwasu fosforowego
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
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
US20230219817A1 (en) 2020-06-16 2023-07-13 Yara International Asa Process for the removal of heavy metals from a phosphoric acid containing composition
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
US20230227311A1 (en) 2020-06-16 2023-07-20 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
EP3964478A1 (en) 2020-09-08 2022-03-09 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition
MX2023009879A (es) * 2021-02-25 2023-11-09 Jesa Tech Llc Metodo para eliminar metales pesados en la fabricacion de acido fosforico.
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
MA21503A1 (fr) 1989-10-01
NO880990L (no) 1989-09-05
CS274579B2 (en) 1991-08-13
AU3199489A (en) 1989-09-22
PL153527B1 (en) 1991-04-30
NO164768C (no) 1990-11-14
NO880990D0 (no) 1988-03-04
FI895225A0 (fi) 1989-11-03
PL278054A1 (en) 1989-11-13
PT89902A (pt) 1989-11-10
JO1563B1 (en) 1989-12-16
EP0363455A1 (en) 1990-04-18
GR890100128A (el) 1990-01-19
ZA891499B (en) 1989-11-29
TNSN89023A1 (fr) 1991-02-04
YU45889A (en) 1990-10-31
NO164768B (no) 1990-08-06
WO1989008075A1 (en) 1989-09-08
ES2010149A6 (es) 1989-10-16
HUT52460A (en) 1990-07-28
CS138189A2 (en) 1990-12-13
HU203502B (en) 1991-08-28
NZ228157A (en) 1991-02-26
IL89452A0 (en) 1989-09-10
US4986970A (en) 1991-01-22
HU892968D0 (en) 1990-05-28
CN1036745A (zh) 1989-11-01

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