ZA891499B - Method for removal of heavy metals,especially cadmium,from phosphoric acid containing solutions - Google Patents

Method for removal of heavy metals,especially cadmium,from phosphoric acid containing solutions

Info

Publication number
ZA891499B
ZA891499B ZA891499A ZA891499A ZA891499B ZA 891499 B ZA891499 B ZA 891499B ZA 891499 A ZA891499 A ZA 891499A ZA 891499 A ZA891499 A ZA 891499A ZA 891499 B ZA891499 B ZA 891499B
Authority
ZA
South Africa
Prior art keywords
removal
phosphoric acid
heavy metals
acid containing
containing solutions
Prior art date
Application number
ZA891499A
Other languages
English (en)
Inventor
Hans Fredrik This Haraldsen
Fredrik This Haraldsen Hans
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 ZA891499B publication Critical patent/ZA891499B/xx

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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (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)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
ZA891499A 1988-03-04 1989-02-27 Method for removal of heavy metals,especially cadmium,from phosphoric acid containing solutions ZA891499B (en)

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
ZA891499B true ZA891499B (en) 1989-11-29

Family

ID=19890717

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA891499A ZA891499B (en) 1988-03-04 1989-02-27 Method for removal of heavy metals,especially cadmium,from phosphoric acid containing solutions

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
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
PL3105367T3 (pl) 2014-02-11 2021-05-31 Cytec Industries Inc. Polimery zawierające aminy pierwszorzędowe użyteczne jako inhibitory tworzenia się kamienia
MX2017010356A (es) 2015-02-11 2018-01-23 Cytec Ind Inc Aminas modificadas utiles como inhibidores de incrustaciones en la produccion del acido fosforico de proceso humedo.
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
WO2019071108A2 (en) 2017-10-08 2019-04-11 Cytec Industries Inc. COMPOSITIONS AND METHODS FOR REMOVING HEAVY METALS FROM PHOSPHORIC ACID SOURCES
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
EP3964478A1 (en) 2020-09-08 2022-03-09 Yara International ASA Process for the removal of heavy metals from a phosphoric acid containing composition
CA3180313A1 (en) 2020-06-16 2021-12-23 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
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
CA3180517A1 (en) 2020-06-16 2021-12-23 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
EP3925710A1 (en) 2020-06-16 2021-12-22 Yara International ASA Method for treating solid hazardous heavy metal-containing compositions
WO2022182909A1 (en) * 2021-02-25 2022-09-01 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
MA21503A1 (fr) 1989-10-01
NO164768C (no) 1990-11-14
GR890100128A (el) 1990-01-19
PL278054A1 (en) 1989-11-13
NO880990L (no) 1989-09-05
WO1989008075A1 (en) 1989-09-08
PT89902A (pt) 1989-11-10
IL89452A0 (en) 1989-09-10
US4986970A (en) 1991-01-22
CS138189A2 (en) 1990-12-13
NO164768B (no) 1990-08-06
YU45889A (en) 1990-10-31
TNSN89023A1 (fr) 1991-02-04
FI895225A0 (fi) 1989-11-03
EP0363455A1 (en) 1990-04-18
AU3199489A (en) 1989-09-22
HU892968D0 (en) 1990-05-28
NZ228157A (en) 1991-02-26
PL153527B1 (en) 1991-04-30
DD288147A5 (de) 1991-03-21
NO880990D0 (no) 1988-03-04
CS274579B2 (en) 1991-08-13
JO1563B1 (en) 1989-12-16
CN1036745A (zh) 1989-11-01
ES2010149A6 (es) 1989-10-16
HU203502B (en) 1991-08-28
HUT52460A (en) 1990-07-28

Similar Documents

Publication Publication Date Title
ZA891499B (en) Method for removal of heavy metals,especially cadmium,from phosphoric acid containing solutions
GB2151951B (en) Forging process for superalloys
IL85771A0 (en) Process for the removal of metal ions from solutions
AU1846988A (en) Electrochemical reactor for copper removal from barren solutions
HUT47888A (en) Process for separating metal from chloride-solutions
EP0246685A3 (en) Method for stacking billets
AU2249388A (en) Process for recovery of metals from metal containing waste
AU567835B2 (en) Method for producing metal castings.
AU635953B2 (en) Process for eliminating heavy metals from phosphoric acid
AU1204988A (en) Method for extracting metal ions
GB2174688B (en) Process for removing metal complexes from waste solutions
GB2202177B (en) Method for the electro-chemical processing of work-pieces.
AU2478388A (en) Method for stabilizing metal ions
AU7062987A (en) A method for the removal of TiC14-vapour from gas-streams
AU1587288A (en) Method for removal of impurities from solutions
CS275029B2 (en) Method of heavy metals above all cadmium, lead and mercury removal from extractive phosphoric acid
PL263767A1 (en) Method for separating heavy metals from alkaline solutions
ZA843104B (en) Process for phosphating metals
PL247864A2 (en) Method of removal of heavy metals from solutions of their salts
PL262552A1 (en) Method for isolating 7-aminocephalosporanic acid
VN34A6 (en) Method for removal of copper-ions from solution of copper-complexonate
BG42779A1 (en) Method for electrochemical depositing of metals on separate areas
BG43114A1 (en) Method for electrochemical removal of scale from ferric metals
IL78615A0 (en) Process for the removal of metal ions from solutions
IL75363A0 (en) Process for the removal of metal ions from solutions