IL324656A - Heavy metals removal from phosphoric acid containing streams - Google Patents

Heavy metals removal from phosphoric acid containing streams

Info

Publication number
IL324656A
IL324656A IL324656A IL32465625A IL324656A IL 324656 A IL324656 A IL 324656A IL 324656 A IL324656 A IL 324656A IL 32465625 A IL32465625 A IL 32465625A IL 324656 A IL324656 A IL 324656A
Authority
IL
Israel
Prior art keywords
phosphoric acid
containing stream
acid containing
heavy metal
acid
Prior art date
Application number
IL324656A
Other languages
English (en)
Hebrew (he)
Original Assignee
Cytec Ind Inc
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 Cytec Ind Inc filed Critical Cytec Ind Inc
Publication of IL324656A publication Critical patent/IL324656A/en

Links

Classifications

    • 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
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
IL324656A 2023-06-15 2024-06-14 Heavy metals removal from phosphoric acid containing streams IL324656A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363508429P 2023-06-15 2023-06-15
PCT/EP2024/066628 WO2024256668A1 (fr) 2023-06-15 2024-06-14 Élimination de métaux lourds d'un flux contenant de l'acide phosphorique

Publications (1)

Publication Number Publication Date
IL324656A true IL324656A (en) 2026-01-01

Family

ID=91585733

Family Applications (1)

Application Number Title Priority Date Filing Date
IL324656A IL324656A (en) 2023-06-15 2024-06-14 Heavy metals removal from phosphoric acid containing streams

Country Status (6)

Country Link
CN (1) CN121311439A (fr)
AU (1) AU2024303923A1 (fr)
IL (1) IL324656A (fr)
JO (1) JOP20250309A1 (fr)
MX (1) MX2025014055A (fr)
WO (1) WO2024256668A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3164201A1 (fr) * 2024-07-03 2026-01-09 Universite Mohammed VI Polytechnique Procédé d’élimination d’arsenic, de cadmium et de cuivre, de l’acide phosphorique

Family Cites Families (11)

* 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
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
DE3434611A1 (de) 1984-09-21 1986-04-03 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von phosphorsaeure
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
DE4327401A1 (de) 1993-08-14 1995-02-16 Hoechst Ag Verfahren zur Entfernung von Blei und Cadmium aus Phosphorsäure
US20040179984A1 (en) 2003-03-13 2004-09-16 Nagaraj D. R. Process for removing metal impurities from wet process phosphoric acid and compositions thereof
US10533239B2 (en) * 2016-11-01 2020-01-14 Battelle Energy Alliance, Llc Methods of recovering rare earth elements from a material
US10865110B2 (en) * 2017-10-08 2020-12-15 Cytec Industries Inc. Compositions and processes for removing heavy metals from phosphoric acid solutions
US11667528B2 (en) * 2019-08-21 2023-06-06 Jesa Technologies Llc Method for removing cadmium in the manufacture of phosphoric acid

Also Published As

Publication number Publication date
WO2024256668A1 (fr) 2024-12-19
JOP20250309A1 (ar) 2025-12-14
CN121311439A (zh) 2026-01-09
AU2024303923A1 (en) 2025-12-04
MX2025014055A (es) 2026-01-07

Similar Documents

Publication Publication Date Title
US10865110B2 (en) Compositions and processes for removing heavy metals from phosphoric acid solutions
AU2008362951B2 (en) Process for the production of high purity phosphoric acid
KR101093557B1 (ko) 철광석 폐수를 이용한 하수 또는 폐수에 포함된 인과 질소의 처리방법
AU2015339815B2 (en) Method for removing iron in the manufacture of phosphoric acid
US11667528B2 (en) Method for removing cadmium in the manufacture of phosphoric acid
JPH0214803A (ja) リン酸より重金属イオンを除去する方法
IL324656A (en) Heavy metals removal from phosphoric acid containing streams
CN107056388B (zh) 化学抛光废磷酸处理方法及肥料的制备方法
JPS6177614A (ja) 燐酸の精製法
EP4619341A1 (fr) Compositions et procédés d'élimination de métaux lourds à partir de flux contenant de l'acide phosphorique
CN103145263B (zh) 一种脱除水溶液中微量锰的方法
AU2023332203A1 (en) Reagents and processes for removing heavy metals from phosphoric acid solutions
FI80251B (fi) Foerfarande foer behandling av tungmetallhaltigt avfall fraon rening av raofosforsyror.
US20230365409A1 (en) Method for removing heavy metals in the manufacture of phosphoric acid
CN103112939B (zh) 一种脱除水溶液中微量铜的方法
WO2025219513A1 (fr) Compositions et procédés d'élimination de métaux lourds de flux contenant de l'acide
RU2228906C1 (ru) Способ очистки расплава или раствора нитрата кальция
Boukhsib et al. Process for Reducing the magnesium content in industrial phosphoric acid by its precipitation to magnesium fluorosilicate
BR102021003977A2 (pt) Composição para formar complexos com íons de metal pesado, e, processo para remover íons de metal pesado de uma solução de ácido fosfórico
JP7486142B2 (ja) 尿または下水添加によるリンおよび金属の同時除去または回収方法
KR100695193B1 (ko) 2,4,6-트리머캅토-ｓ-트리아진 알칼리금속염의 제조 방법
BR112020006895B1 (pt) Processo para remover íons metálicos pesados de uma solução de ácido fosfórico
Zhu et al. Removal of Mg2+ and Al3+ from high-concentration wet-process phosphoric acid by NH4MgAlF6 complexation-precipitation
EP4594251A1 (fr) Procédé de purification d'une source contenant du phosphore
FI83863B (fi) Foerfarande foer avlaegsning av tungmetaller fraon fosforsyra.