AU2019412815B2 - Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid - Google Patents

Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid Download PDF

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Publication number
AU2019412815B2
AU2019412815B2 AU2019412815A AU2019412815A AU2019412815B2 AU 2019412815 B2 AU2019412815 B2 AU 2019412815B2 AU 2019412815 A AU2019412815 A AU 2019412815A AU 2019412815 A AU2019412815 A AU 2019412815A AU 2019412815 B2 AU2019412815 B2 AU 2019412815B2
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arsenic
ion
scorodite
solution
pulp
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AU2019412815A1 (en
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Marcelo Gustavo ACUÑA GOYCOLEA
Ricardo Miguel PEZOA CONTE
Enrique Anselmo ROMÁN ESPINOZA
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Ecometales Ltd
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Ecometales Ltd
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
    • 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
    • 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • 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
    • C02F2101/103—Arsenic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/44—Time
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
AU2019412815A 2018-12-24 2019-12-22 Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid Active AU2019412815B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862784628P 2018-12-24 2018-12-24
US62/784,628 2018-12-24
US16/721,436 US11220437B2 (en) 2018-12-24 2019-12-19 Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid
US16/721,436 2019-12-19
PCT/IB2019/061255 WO2020136543A2 (en) 2018-12-24 2019-12-22 Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid

Publications (2)

Publication Number Publication Date
AU2019412815A1 AU2019412815A1 (en) 2021-08-12
AU2019412815B2 true AU2019412815B2 (en) 2023-04-13

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AU2019412815A Active AU2019412815B2 (en) 2018-12-24 2019-12-22 Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid

Country Status (10)

Country Link
US (1) US11220437B2 (https=)
EP (1) EP3902933A4 (https=)
JP (1) JP7372691B2 (https=)
CN (1) CN113227418B (https=)
AU (1) AU2019412815B2 (https=)
CA (1) CA3122492C (https=)
CL (1) CL2021001684A1 (https=)
MX (1) MX394613B (https=)
PE (1) PE20211538A1 (https=)
WO (1) WO2020136543A2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11220437B2 (en) * 2018-12-24 2022-01-11 Ecometales Limited Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid
US20210325842A1 (en) * 2020-04-15 2021-10-21 Kabushiki Kaisha Toshiba Process monitoring device, process monitoring method, and program
CN112410561A (zh) * 2020-10-30 2021-02-26 攀钢集团研究院有限公司 沉钒废水中和石膏渣的处理方法
CN112495379B (zh) * 2020-11-30 2022-06-24 重庆大学 一种Cu-TiO2复合材料及应用
CN119301077A (zh) * 2023-04-06 2025-01-10 埃科美泰尔斯公司 通过与铝凝胶共混沉淀砷酸铁以稳定砷的方法
CN119301076A (zh) * 2023-04-06 2025-01-10 埃科美泰尔斯公司 通过热稳定化沉淀图水羟砷铁矾以稳定含砷残留物的方法
CL2023003793A1 (es) * 2023-12-19 2024-04-12 Ecometales Ltd Agencia En Chile Procedimiento para la obtención de escorodita sin uso de neutralizantes desde soluciones que comprenden arsénico
CN118239637B (zh) * 2024-04-30 2024-10-22 东北大学 一种高酸高铁高硫含砷废水的处理方法

Citations (1)

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US7695698B2 (en) * 2006-09-27 2010-04-13 Dowa Metals & Mining Co., Ltd. Method of producing iron-arsenic compound excellent in crystallinity

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Publication number Publication date
MX394613B (es) 2025-03-24
CA3122492C (en) 2024-05-21
CA3122492A1 (en) 2020-07-02
CL2021001684A1 (es) 2021-12-17
WO2020136543A2 (en) 2020-07-02
EP3902933A4 (en) 2022-03-02
EP3902933A2 (en) 2021-11-03
WO2020136543A3 (en) 2020-12-03
CN113227418A (zh) 2021-08-06
US20200198985A1 (en) 2020-06-25
JP7372691B2 (ja) 2023-11-01
MX2021007657A (es) 2022-08-09
PE20211538A1 (es) 2021-08-16
CN113227418B (zh) 2022-11-01
JP2022515438A (ja) 2022-02-18
US11220437B2 (en) 2022-01-11
AU2019412815A1 (en) 2021-08-12

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