WO2015180224A1 - 一种溶剂萃取法高效富集回收贵金属铂、钯的工艺 - Google Patents

一种溶剂萃取法高效富集回收贵金属铂、钯的工艺 Download PDF

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Publication number
WO2015180224A1
WO2015180224A1 PCT/CN2014/080778 CN2014080778W WO2015180224A1 WO 2015180224 A1 WO2015180224 A1 WO 2015180224A1 CN 2014080778 W CN2014080778 W CN 2014080778W WO 2015180224 A1 WO2015180224 A1 WO 2015180224A1
Authority
WO
WIPO (PCT)
Prior art keywords
palladium
platinum
extraction
solution
organic phase
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/CN2014/080778
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
席晓丽
聂祚仁
孙晓凯
马立文
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.)
Beijing University of Technology
Original Assignee
Beijing University of Technology
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 Beijing University of Technology filed Critical Beijing University of Technology
Priority to US14/903,513 priority Critical patent/US9957587B2/en
Priority to JP2016539401A priority patent/JP6072375B2/ja
Publication of WO2015180224A1 publication Critical patent/WO2015180224A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C22B11/00—Obtaining noble metals
    • C22B11/04—Obtaining noble metals 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
    • C22B3/22—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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/262—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds using alcohols or phenols
    • 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
    • C22B3/28—Amines
    • C22B3/282—Aliphatic amines
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a solvent extraction system for enriching and recovering precious metal platinum and palladium, and separating and extracting platinum, palladium precious metal and other base metals by solvent extraction to achieve the purpose of enriching and recovering precious metal platinum and palladium, belonging to resource recovery technology. field. Background technique
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a simple and easy to operate, A solvent extraction process system capable of efficiently extracting noble metal platinum and palladium.
  • the invention adopts isoamyl alcohol as the extracting agent, 2-methoxyphenyl thiourea as the auxiliary extracting agent, and the platinum and palladium precious metals are enriched and recovered through the corresponding process, and the efficiency is high, and the extraction, separation and purification process of the precious metal is facilitated. .
  • a solvent extraction method for efficiently enriching and recovering precious metal platinum and palladium characterized in that: isoamyl alcohol is used as an extracting agent, 2-methoxyphenyl thiourea is used as an auxiliary extracting agent, and platinum and palladium-containing precious metals are used.
  • the feed liquid is extracted and enriched; the operation steps are as follows:
  • hydrochloric acid solution of the auxiliary extraction complex 2-methoxyphenyl thiourea has a HC1 concentration of 2.5-6 mol/L, wherein the mass fraction of 2-methoxyphenyl thiourea is 0.01% to 0.5%. .
  • volume ratio of the added 2-methoxyphenylthiourea-hydrochloric acid solution to the obtained aqueous phase is 1:2 to 1:5.
  • the organic phase after liquid separation is back-extracted, and after the stripping is completed, the stripping solution and the organic phase after stripping are obtained by liquid separation, and the organic phase after stripping is continuously used for extraction;
  • the raffinate and the stripping solution were diluted and the results were extracted by ICP.
  • the extraction system of the invention has simple process, high separation and enrichment rate, and is convenient for the separation and purification process of precious metals;
  • the extracting agent is isoamyl alcohol, and 2-methoxyphenyl thiourea is an auxiliary extracting agent;
  • the concentration of hydrochloric acid in the 2-methoxyphenylthiourea-hydrochloric acid solution is 2.5-6 mol/L, wherein the mass fraction of 2-methoxyphenylthiourea is 0.01%-0.5%, and the solution preparation process is 25 ⁇ Mixing in a 50 ° C water bath to facilitate dissolution;
  • the volume ratio of the added 2-methoxyphenylthiourea-hydrochloric acid solution to the obtained aqueous phase stock solution is 1:2-1:5, and the obtained aqueous phase stock solution contains platinum and palladium concentration of 0.01-5 mg/L;
  • the stripping is an aqueous solution using thiourea, wherein the thiourea has a mass fraction of 1% to 5%.
  • 2-methoxyphenyl thiourea is used as an auxiliary extraction complexing agent, and is added to the aqueous phase to separate the noble ruthenium metal during extraction, thereby achieving the effect of efficiently extracting precious metal platinum and palladium without extracting ruthenium metal;
  • the system of the invention has simple operation process, low equipment requirement, good extraction and enrichment effect on platinum-palladium precious metal, and high applicability and flexibility. detailed description

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
PCT/CN2014/080778 2014-05-31 2014-06-26 一种溶剂萃取法高效富集回收贵金属铂、钯的工艺 Ceased WO2015180224A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/903,513 US9957587B2 (en) 2014-05-31 2014-06-26 Process for efficiently enriching and recovering noble metals of platinum and palladium by solvent extraction
JP2016539401A JP6072375B2 (ja) 2014-05-31 2014-06-26 溶媒抽出法により貴金属である白金、パラジウムを効率よく濃縮回収する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410241155.4A CN104004921B (zh) 2014-05-31 2014-05-31 一种溶剂萃取法高效富集回收贵金属铂、钯的工艺
CN201410241155.4 2014-05-31

Publications (1)

Publication Number Publication Date
WO2015180224A1 true WO2015180224A1 (zh) 2015-12-03

Family

ID=51365827

Family Applications (1)

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PCT/CN2014/080778 Ceased WO2015180224A1 (zh) 2014-05-31 2014-06-26 一种溶剂萃取法高效富集回收贵金属铂、钯的工艺

Country Status (4)

Country Link
US (1) US9957587B2 (https=)
JP (1) JP6072375B2 (https=)
CN (1) CN104004921B (https=)
WO (1) WO2015180224A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111206150B (zh) * 2020-03-11 2022-01-28 郑州大学 一种基于浮游萃取的溶解态高相似稀贵金属富集分离方法
CN115874061B (zh) * 2022-12-27 2025-07-22 云南大学 一种含1-丁基-3-辛酸乙酯咪唑溴盐的微乳液萃取氰化铂(ii)的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2226224C2 (ru) * 2002-06-04 2004-03-27 Государственное образовательное учреждение высшего профессионального образования "Курский государственный университет" Способ определения содержания палладия и платины в рудах
CN101148703A (zh) * 2007-10-08 2008-03-26 贵州瓮福黄磷有限公司 利用黄磷电炉富集贵重金属的方法
CN103805784A (zh) * 2014-03-03 2014-05-21 北京工业大学 一种萃取法回收提取铂的协同萃取体系

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CN1011420B (zh) * 1988-06-15 1991-01-30 中国有色金属工业总公司昆明贵金属研究所 用复合萃取剂生产高纯金的方法
JP3741117B2 (ja) * 2003-09-26 2006-02-01 住友金属鉱山株式会社 白金族元素の相互分離方法
US7309016B2 (en) 2004-09-16 2007-12-18 Hewlett-Packard Development Company, L.P. System and method of a computer card slot and bezel
CN1304612C (zh) * 2005-09-01 2007-03-14 徐致钢 从含铂族金属矿石中提取铂族金属的工艺
JP4323492B2 (ja) * 2006-03-31 2009-09-02 日鉱金属株式会社 ヒドラジンを用いたセレンを含む廃液中の白金の回収方法
KR101049938B1 (ko) * 2006-11-07 2011-07-15 주식회사 엘지화학 고분자 용액 내 포함된 촉매 잔사 제거 방법 및 이에 의해정제된 고분자
CN100497676C (zh) * 2007-03-27 2009-06-10 云南大学 固相萃取提取和分离钯的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2226224C2 (ru) * 2002-06-04 2004-03-27 Государственное образовательное учреждение высшего профессионального образования "Курский государственный университет" Способ определения содержания палладия и платины в рудах
CN101148703A (zh) * 2007-10-08 2008-03-26 贵州瓮福黄磷有限公司 利用黄磷电炉富集贵重金属的方法
CN103805784A (zh) * 2014-03-03 2014-05-21 北京工业大学 一种萃取法回收提取铂的协同萃取体系

Also Published As

Publication number Publication date
JP2016540126A (ja) 2016-12-22
US20160153066A1 (en) 2016-06-02
JP6072375B2 (ja) 2017-02-01
US9957587B2 (en) 2018-05-01
CN104004921B (zh) 2016-03-02
CN104004921A (zh) 2014-08-27

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