CL2008002064A1 - Method for processing a substance containing diarsenic trioxide and heavy metal comprising a leaching step in which water and alkali are added to a non-ferrous smelting intermediate to produce a slurry, an arsenic oxidation step, and a precipitation step ; and arsenic oxidation method. - Google Patents

Method for processing a substance containing diarsenic trioxide and heavy metal comprising a leaching step in which water and alkali are added to a non-ferrous smelting intermediate to produce a slurry, an arsenic oxidation step, and a precipitation step ; and arsenic oxidation method.

Info

Publication number
CL2008002064A1
CL2008002064A1 CL2008002064A CL2008002064A CL2008002064A1 CL 2008002064 A1 CL2008002064 A1 CL 2008002064A1 CL 2008002064 A CL2008002064 A CL 2008002064A CL 2008002064 A CL2008002064 A CL 2008002064A CL 2008002064 A1 CL2008002064 A1 CL 2008002064A1
Authority
CL
Chile
Prior art keywords
arsenic oxidation
slurry
alkali
produce
added
Prior art date
Application number
CL2008002064A
Other languages
Spanish (es)
Inventor
Mitsuo Abumiya
Yusuke SATOU
Hironobu Mikami
Masami Oouchi
Tetsuo Fujita
Masayoshi Matsumoto
Original Assignee
Dowa Metals & 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 & Mining Co Ltd filed Critical Dowa Metals & Mining Co Ltd
Publication of CL2008002064A1 publication Critical patent/CL2008002064A1/en

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
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Método para procesar una sustancia que contiene trióxido de diarsénico y metal pesado que comprende un paso de lixiviación en el que se agrega agua y alcali a un intermediario de fundición no ferrosa para producir una lechada, un paso de oxidación del arsénico y un paso de cristalización; y método de oxidación del arsénico.Method for processing a substance containing diarsenic trioxide and heavy metal comprising a leaching step in which water and alkali are added to a non-ferrous smelting intermediate to produce a slurry, an arsenic oxidation step, and a crystallization step ; and arsenic oxidation method.

CL2008002064A 2007-07-13 2008-07-14 Method for processing a substance containing diarsenic trioxide and heavy metal comprising a leaching step in which water and alkali are added to a non-ferrous smelting intermediate to produce a slurry, an arsenic oxidation step, and a precipitation step ; and arsenic oxidation method. CL2008002064A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007185072 2007-07-13

Publications (1)

Publication Number Publication Date
CL2008002064A1 true CL2008002064A1 (en) 2009-03-06

Family

ID=40259422

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008002064A CL2008002064A1 (en) 2007-07-13 2008-07-14 Method for processing a substance containing diarsenic trioxide and heavy metal comprising a leaching step in which water and alkali are added to a non-ferrous smelting intermediate to produce a slurry, an arsenic oxidation step, and a precipitation step ; and arsenic oxidation method.

Country Status (2)

Country Link
CL (1) CL2008002064A1 (en)
WO (1) WO2009011074A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3403289B2 (en) * 1996-03-08 2003-05-06 日鉱金属株式会社 Method for separating arsenic contained in smelting intermediate and method for recovering arsenic
JP3756687B2 (en) * 1999-01-29 2006-03-15 同和鉱業株式会社 Method for removing and fixing arsenic from arsenic-containing solutions
JP4113959B2 (en) * 2005-05-27 2008-07-09 国立大学法人 東京大学 Recycling method of neutralized residue generated in water treatment process of acid mine wastewater

Also Published As

Publication number Publication date
WO2009011074A1 (en) 2009-01-22

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