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WO2009011320A1 - 砒素を含むもののアルカリ処理方法 - Google Patents

砒素を含むもののアルカリ処理方法 Download PDF

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Publication number
WO2009011320A1
WO2009011320A1 PCT/JP2008/062619 JP2008062619W WO2009011320A1 WO 2009011320 A1 WO2009011320 A1 WO 2009011320A1 JP 2008062619 W JP2008062619 W JP 2008062619W WO 2009011320 A1 WO2009011320 A1 WO 2009011320A1
Authority
WO
WIPO (PCT)
Prior art keywords
arsenic
alkali
diarsenic trioxide
slurry
treatment
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/062619
Other languages
English (en)
French (fr)
Inventor
Mitsuo Abumiya
Yusuke Sato
Hironobu Mikami
Masami Oouchi
Tetsuo Fujita
Masayoshi Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dowa Metals and Mining Co Ltd
Original Assignee
Dowa Metals and Mining Co Ltd
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 Dowa Metals and Mining Co Ltd filed Critical Dowa Metals and Mining Co Ltd
Priority to EP08791100A priority Critical patent/EP2177477A4/en
Priority to AU2008276969A priority patent/AU2008276969A1/en
Priority to CA 2694797 priority patent/CA2694797A1/en
Priority to CN200880024407A priority patent/CN101784489A/zh
Priority to US12/452,586 priority patent/US8147779B2/en
Publication of WO2009011320A1 publication Critical patent/WO2009011320A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C22B30/00—Obtaining antimony, arsenic or bismuth
    • C22B30/04—Obtaining arsenic
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G28/00—Compounds of arsenic
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G28/00—Compounds of arsenic
    • C01G28/005—Oxides; Hydroxides; Oxyacids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/12—Sulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/12—Sulfides
    • 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
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0084—Treating solutions
    • C22B15/0089—Treating solutions by chemical methods
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/008—Wet processes by an alkaline or ammoniacal leaching
    • 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
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F2001/5218—Crystallization
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal 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
    • C02F2103/06—Contaminated groundwater or leachate
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

非鉄製錬中間産物に含まれる砒素の処理、特に三酸化二砒素形態の砒素の処理において、溶出基準（環境庁告示１３号準拠）を満足し、且つ、濾過性に優れ且つ安定なスコロダイトを、再現性良く、煩雑な操作なしに簡便に生成する方法を提供する。三酸化二砒素を含む非鉄製錬中間産物に水とアルカリを加えスラリーとし、これを加温し、砒素を浸出する浸出工程と、当該浸出液に酸化剤を添加して、３価砒素を５価砒素へ酸化し調整液を得る液調製工程と、当該調整液中の砒素をスコロダイト結晶へ転換する結晶化工程とを、有する三酸化二砒素の処理方法である。
PCT/JP2008/062619 2007-07-13 2008-07-11 砒素を含むもののアルカリ処理方法 Ceased WO2009011320A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08791100A EP2177477A4 (en) 2007-07-13 2008-07-11 METHOD FOR THE TREATMENT OF A PULSED MATERIAL WITH ALKALI
AU2008276969A AU2008276969A1 (en) 2007-07-13 2008-07-11 Method of treating arsenical matter with alkali
CA 2694797 CA2694797A1 (en) 2007-07-13 2008-07-11 Method of alkali processing substance containing arsenic
CN200880024407A CN101784489A (zh) 2007-07-13 2008-07-11 含砷物质的碱处理方法
US12/452,586 US8147779B2 (en) 2007-07-13 2008-07-11 Method of alkali processing substance containing arsenic

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-185072 2007-07-13
JP2007185072 2007-07-13
JP2008059366 2008-03-10
JP2008-059366 2008-03-10

Publications (1)

Publication Number Publication Date
WO2009011320A1 true WO2009011320A1 (ja) 2009-01-22

Family

ID=40259653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062619 Ceased WO2009011320A1 (ja) 2007-07-13 2008-07-11 砒素を含むもののアルカリ処理方法

Country Status (8)

Country Link
US (1) US8147779B2 (ja)
EP (1) EP2177477A4 (ja)
JP (1) JP2009242935A (ja)
KR (1) KR20100049593A (ja)
CN (1) CN101784489A (ja)
AU (1) AU2008276969A1 (ja)
CA (1) CA2694797A1 (ja)
WO (1) WO2009011320A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011161386A (ja) * 2010-02-10 2011-08-25 Akita Univ チオ亜ヒ酸塩の処理方法
JP2011184266A (ja) * 2010-03-10 2011-09-22 Dowa Metals & Mining Co Ltd ヒ酸鉄粒子の処理方法
CN102234160A (zh) * 2010-05-05 2011-11-09 深圳市明灯科技有限公司 低浓度含砷废水处理方法
US9885095B2 (en) * 2014-01-31 2018-02-06 Goldcorp Inc. Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate
CN110745988A (zh) * 2019-10-23 2020-02-04 长春黄金研究院有限公司 一种含砷污酸治理方法
CN112341496A (zh) * 2020-11-17 2021-02-09 红河砷业有限责任公司 一种利用苄基胂酸废渣回收苄基胂酸产品的方法
CN113862464A (zh) * 2021-08-29 2021-12-31 中南大学 一种黑铜泥中铜及稀散金属回收的方法

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009242223A (ja) * 2007-07-13 2009-10-22 Dowa Metals & Mining Co Ltd 三酸化二砒素の処理方法
JP5188296B2 (ja) * 2007-07-13 2013-04-24 Ｄｏｗａメタルマイン株式会社 銅砒素化合物の処理方法
CN102234161B (zh) * 2010-05-05 2013-02-27 深圳市明灯科技有限公司 高浓度含砷废水处理方法
CN101954370B (zh) * 2010-09-06 2012-12-05 同济大学 一种含砷废渣资源化的方法
US9555362B2 (en) 2011-12-20 2017-01-31 Eisenmann Ag Method for separating arsenic and heavy metals in an acidic washing solution
EP2792758B1 (en) * 2012-03-02 2016-04-27 Sumitomo Metal Mining Co., Ltd. Method for separating rhenium and arsenic, and method for purifying rhenium
JP6226235B2 (ja) * 2013-03-29 2017-11-08 三菱マテリアル株式会社 スコロダイトの製造方法
CN103265073B (zh) * 2013-06-06 2014-12-10 江西海宸光电科技有限公司 氧化砷中去除硒、硼杂质的工艺方法
CN103388076B (zh) * 2013-07-23 2015-06-17 中南民族大学 一种从硫化砷渣中回收单质砷的方法
JP6691680B2 (ja) 2015-12-23 2020-05-13 三菱マテリアル株式会社 ヒ素の固定化方法
CN106011475B (zh) * 2016-06-17 2018-06-26 同济大学 一种低浓度含砷废渣无害化处理及砷回收的方法
CN106830091B (zh) * 2016-12-21 2018-06-19 中南大学 一种从含砷溶液中沉淀得到高浸出稳定性臭葱石的方法
CN106745652A (zh) * 2016-12-30 2017-05-31 四川师范大学 含砷废水的处理方法
CN108640390B (zh) * 2018-05-31 2021-10-22 阳谷祥光铜业有限公司 一种含锑废水的处理方法
CN110615515B (zh) * 2019-09-25 2021-04-02 深圳市星河环境技术有限公司 一种吸附剂再生液的除砷方法
JP2023093229A (ja) * 2021-12-22 2023-07-04 淨寶化工股▲分▼有限公司 硫酸中の過酸化水素を除去する方法
CN117660767B (zh) * 2024-01-31 2024-04-26 中国科学院过程工程研究所 一种采用多段微气泡从镍铝渣中回收钒酸钠的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09241776A (ja) * 1996-03-08 1997-09-16 Nikko Kinzoku Kk 製錬中間物に含まれるヒ素分離方法およびヒ素の回収方法
JP2000219920A (ja) * 1999-01-29 2000-08-08 Dowa Mining Co Ltd 砒素含有溶液からの砒素の除去および固定方法
JP2006328498A (ja) * 2005-05-27 2006-12-07 Univ Of Tokyo 酸性鉱山廃水の水処理工程で発生する中和殿物の資源化方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54160590A (en) 1978-06-09 1979-12-19 Sumitomo Metal Mining Co Method of separating and recovering arsenic from refining intermediate in state of sulfide containing arsenic
US4244927A (en) * 1979-07-27 1981-01-13 Hazen Research, Inc. Process for recovering arsenic compounds by sodium hydroxide leaching
JPS5824378A (ja) 1981-08-07 1983-02-14 Nisshin Steel Co Ltd 帯状材の連続塗装装置
JPS58141346A (ja) 1982-02-15 1983-08-22 Dowa Mining Co Ltd 産業副産物からの金属採取法
JPS62182252A (ja) 1986-02-06 1987-08-10 Nippon Kokan Kk <Nkk> 石油生産関連機器用耐食金属コ−テイング材料
CA2040353A1 (en) 1990-04-16 1991-10-17 Eberhard Krause Method for forming copper arsenate
US5135223A (en) 1991-04-15 1992-08-04 You Chin San Sports racket frame
JP3052535B2 (ja) 1992-02-25 2000-06-12 三菱マテリアル株式会社 製錬中間産物の処理方法
EP0620189B1 (en) 1993-04-08 1998-01-07 AlliedSignal Inc. Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids
JP3816131B2 (ja) 1995-10-13 2006-08-30 古河機械金属株式会社 亜ひ酸の酸化方法
JP3212875B2 (ja) 1996-05-30 2001-09-25 日鉱金属株式会社 ヒ素の回収方法
JP3825537B2 (ja) 1997-08-01 2006-09-27 同和鉱業株式会社 Ａｓ含有排水の処理方法
JP3294181B2 (ja) * 1997-12-26 2002-06-24 日鉱金属株式会社 砒酸カルシウムの製造方法
JP3963093B2 (ja) * 2001-10-25 2007-08-22 住友金属鉱山株式会社 亜砒酸の製造方法
US6755891B2 (en) 2002-04-16 2004-06-29 Cominco Engineering Services Ltd. Process for the treatment or removal of impurities in a hydrometallurgical extraction process
JP2004307965A (ja) 2003-04-09 2004-11-04 Sumitomo Metal Mining Co Ltd スラグフューミングダストからのヒ素及びアンチモンの分離除去方法
JP4411057B2 (ja) 2003-11-28 2010-02-10 三井金属鉱業株式会社 煙灰からの砒素除去方法
JP2006116468A (ja) 2004-10-22 2006-05-11 Muroran Institute Of Technology 鉱山廃水の処理方法
JP4478585B2 (ja) 2005-01-17 2010-06-09 日鉱金属株式会社 飛灰からの有価物回収方法
FI119438B (fi) * 2005-05-03 2008-11-14 Outokumpu Oy Menetelmä arvometallien ja arseenin talteenottamiseksi liuoksesta

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09241776A (ja) * 1996-03-08 1997-09-16 Nikko Kinzoku Kk 製錬中間物に含まれるヒ素分離方法およびヒ素の回収方法
JP2000219920A (ja) * 1999-01-29 2000-08-08 Dowa Mining Co Ltd 砒素含有溶液からの砒素の除去および固定方法
JP2006328498A (ja) * 2005-05-27 2006-12-07 Univ Of Tokyo 酸性鉱山廃水の水処理工程で発生する中和殿物の資源化方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FILIPPOU D. AND DEMOPOULOS G.P.: "Arsenic Immobilization by Controlled Scorodite Precipitation", JOM, vol. 49, no. 12, 1997, pages 52 - 55, XP003024717 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011161386A (ja) * 2010-02-10 2011-08-25 Akita Univ チオ亜ヒ酸塩の処理方法
JP2011184266A (ja) * 2010-03-10 2011-09-22 Dowa Metals & Mining Co Ltd ヒ酸鉄粒子の処理方法
CN102234160A (zh) * 2010-05-05 2011-11-09 深圳市明灯科技有限公司 低浓度含砷废水处理方法
CN102234160B (zh) * 2010-05-05 2013-02-27 深圳市明灯科技有限公司 低浓度含砷废水处理方法
US9885095B2 (en) * 2014-01-31 2018-02-06 Goldcorp Inc. Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate
CN110745988A (zh) * 2019-10-23 2020-02-04 长春黄金研究院有限公司 一种含砷污酸治理方法
CN112341496A (zh) * 2020-11-17 2021-02-09 红河砷业有限责任公司 一种利用苄基胂酸废渣回收苄基胂酸产品的方法
CN113862464A (zh) * 2021-08-29 2021-12-31 中南大学 一种黑铜泥中铜及稀散金属回收的方法

Also Published As

Publication number Publication date
CN101784489A (zh) 2010-07-21
US20100215570A1 (en) 2010-08-26
AU2008276969A1 (en) 2009-01-22
KR20100049593A (ko) 2010-05-12
CA2694797A1 (en) 2009-01-22
JP2009242935A (ja) 2009-10-22
EP2177477A4 (en) 2010-09-29
US8147779B2 (en) 2012-04-03
EP2177477A1 (en) 2010-04-21

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