September 2007 - Tantalum-Niobium International Study Center

Oct 22, 2007 ... The 2007 meeting of the Tantalum-Niobium International Study. Center will be held in Rio de ... represent the fundamental steps in the recovery of the economically valuable heavy .... refining and processing. Ningxia Orient...

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Sanmina Corporation Conflict Minerals Report For The Year Ended ...

Design of Due Diligence Process and Alignment to the OECD Guidance ... (1) Conflict Minerals are defined as tin, tantalum, tungsten and gold. ... Below is a list of smelters and refineries that we believe, based upon our due diligence, were...

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njit-etd2003-113 - New Jersey Institute of Technology

Tantalum (Ta) is a metal that is highly prized for its applications in a variety of industries, including ..... 7.2 Atomic Parameters Adapted from 13-U P42/mnm Structure and Refined in the 3-Ta P42/mnm ... 1.2 Major tantalum processing routes. 8.

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HP list of smelters

Inner Mongolia Qiankun Gold and Silver Refinery Share Company Limited. China. This list contains the tantalum, tin, tungsten, and gold smelters/refiners we confirmed are ... JSC Ekaterinburg Non-Ferrous Metal Processing Plant. Russian...

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FY2014CMRDRAFT (6)

Inner Mongolia Qiankun Gold and Silver Refinery Share Company Limited. Gold. Ishifuku Metal ... Gold. JSC Ekaterinburg Non-Ferrous Metal Processing Plant * .... Tantalum. H.C. Starck Ltd. *. Tantalum. H.C. Starck Smelting & Co.KG.

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Refining Secondary Iridium by an Oxidative Method

ducing high purity indium by chemical refining is extremely labour ... This process involves oxidation of the im- ... iron, tungsten, carbon, molybdenum, niobium,.

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Niobium

Jan 18, 2011 ... Why is only tantalum, and not niobium, considered by the SEC in its proposed ... Furthermore, as a Cabot Corporation simplified tantalum process ... Production Flowchart1.pdf) shows, a tantalum refinery designed by this...

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An Exploration in Mineral Supply Chain Mapping Using Tantalum as ...

Chart showing refined tantalum (Ta) products, intermediate products .... A supply chain with multiple facilities that perform each production process or that possess unused ..... http://extra.geus.info/cet/ethiopia/EthiopienBlad_TANTALUM.pdf.).

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Recycling critical raw materials from waste electronic equipment

Feb 24, 2012 ... Refining processes for electronic waste fractions containing important .... Tantalum capacitors on the motherboard of a notebook (photo.

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Technical Session Abstracts (pdf) - Automotive Electronics Council ...

tantalum technologies, some automotive makers continue to hold on to experiences ... shifts in the tantalum supply chain, vertically integrated refining processes,...

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Tantalum - POLINARES

Tantalum is the metallic element extracted (or refined) from primary and placer tantalum mineral .... process of cassiterite ore concentrates (Schwela 2010).

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Extractive metallurgy of niobium, tantalum, and vanadium - Taylor ...

processes, and refining. The review con- eludes with a summary of present trends and future projections for each metal. IMR/124. Niobium, tantalum, and...

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List of Smelters and Refiners - BlackBerry

Mar 28, 2014 ... ... been reported by BlackBerry suppliers as processing gold, tantalum, tin, ... Inner Mongolia Qiankun Gold and Silver Refinery Share Company...

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Tantalum Recycling Corporate Profile - BtB Marketing ...

Operations Manager, Tantalum Recycling PR Executive, BtB Marketing ... As one of the few companies in the world with the ability to procure, recycle, and process ... made from processed and refined recycled tantalum material to capacitor...

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Maxwell Technologies, Inc. Conflict Minerals Report For the Year ...

Conflict Minerals, as defined under Rule 13p-1, include tin, tantalum, tungsten ... Evaluated smelting and refining facilities identified in the Company''s supply .... JSC Ekaterinburg Non-Ferrous Metal Processing Plant RUSSIAN FEDERATION.

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Tantalum - Wikipedia, the free encyclopedia

Tantalum is a chemical element with symbol Ta and atomic number 73. Previously known as ..... Several steps are involved in the extraction of tantalum from tantalite. First, the ... The first refinery has enough capacity to supply 3-4% of annual global demand. .... CRC Handbook of Chemistry and Physics (PDF) (86th ed.).

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Material Selection and Compatibility Considerations for Rosemount ...

Jan 3, 2010 ... Tantalum has proven to be a useful material in corrosive applications ..... for sour refinery process environments and was developed because.

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PDF (Free)

To develop an effective process for tantalum powder production, a new ... metallothermic reduction, metal powder, reduction process, refining, rare metals. 1.

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Columbium (Niubium) and Tantalum - USGS Mineral Resources ...

mining of columbium and tantalum in the United States was during the Korean Conflict, ... tantalum-bearing mineral concentrates for processing mainly from Australia, Canada, and ...... Thailand Smelting and Refining Co. Ltd. (Thaisarco). Do.

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Conflict Materials Declaration - Helical Products Co.

Apr 12, 2016 ... columns could not be mistakenly deleted in the process. 1. ... Added “United Precious Metal Refining Inc.” as a gold refiner. 14. ... Added “Japan New Metals Co Ltd” as a tungsten smelter ..... (/daf/inv/mne/GuidanceEdition2.pdf), which guides suppliers to establish policies, due diligence.

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Extraction of Niobium from Tin Slag - International Journal of ...

Index Terms- Tin slag, Niobium, carbonchlorination, leaching, extraction, particles .... Most commercial extraction and refining processes for the preparation of...

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Production of tantalum metal by the aluminothermic reduction of ...

Download full text in PDF ... Experimental Tantalum oxide was obtained from the processing of Indian .... The only other work on the refining of tantalum using an all-chloride electrolyte, KCl-NaCl-TaCl4, was due to Nakagawa and Kirihara [8].

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Exhibit 1.01 Conflict Minerals Report Xerox Corporation For the Year ...

In 2015, we further refined our process of evaluating the CMRTs to assist with our ... verified as conflict-free or in the audit process**. Tantalum. 47 of 55 (85%).

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NXP Semiconductors List of Smelters

Mar 31, 2015 ... Inner Mongolia Qiankun Gold and Silver Refinery Share. Company Limited ... Changsha South Tantalum Niobium Co., Ltd. CID000211.

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Full article in PDF format - Estonian Academy Publishers

Mar 7, 2010 ... Crushed melt underwent refining remelting in an electron beam furnace. .... dynamic analysis of the reduction process of tantalum pentoxide...

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Tantalum, Columbium, and Ferrocolumbium, Tellurium, Tin ...

Exhibit 2 illustrates the processing of tantalum and columbium. ...... Since tellurium is recovered from anode slimes from a copper refinery, all wastes generated...

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A Review of Niobium-Tantalum Separation in Hydrometallurgy (PDF ...

May 23, 2016 ... Article (PDF Available) in Journal of Minerals and Materials ..... process consists of the collective extraction of tantalum and niobium ..... A. Choudhury, E. Hengsberger (1992) Electron Beam Melting and Refining of Metals and.

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A New Process for the Separation of Tantalum - MIT

similarity makes it difficult to refine either metal free from the other. The first industrial process for separating niobium and tantalum from each other was...

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PlUtONiUM PROcESSiNG At LOS AlAMOS - Los Alamos National ...

for processing, preparing, and refining. In addition, the technology selection must take nuclear material safeguards, accountability, criticality safety, radiation.

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extraction and separation of tantalum and niobium - University of ...

and separation of niobium and tantalum with octanol as solvent, from Mozambican tantalite using ammonium ... the nearly complete stripping process four equilibrium stages are required. From the ...... due to gain refining weight reduction.

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Tantalum-Processing, Properties and Applications - Springer

Ta20 s or tantalum hydride. Sintering, electric-arc melting and electron-beam melting are used to refine and purify raw tantalum. Tantalum''s unique properties...

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Semi-Annual Smelter List - Apple

Dec 31, 2015 ... Inner Mongolia Qiankun Gold and Silver Refinery Share Co., Ltd. China ... JSC Ekaterinburg Non-Ferrous Metal Processing Plant ... Tantalum.

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Bulletin_147_draft v4 - Tantalum-Niobium International Study Center

process straightforward, and that it has saved you time in obtaining your copy. ..... impurities. The major problem with refining niobium from gas impurities is.

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Metal Powder Production

Powder metallurgy covers a broad spectrum of manufacturing processes. Both the ... steel, stainless steel, tool steel, superalloy, titanium alloy, aluminum and brass. ..... more refined microstructures than conventional metallurgical techniques.

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Tantalum Capacitors in Power Supply Applications - Newark

The capacitance range for tantalum capacitors spans from singular microfarads (uFd) through a ..... a step back, in that the refined impregnation processes.

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Full-Text PDF - MDPI.com

Aug 29, 2014 ... results adopting ionic liquids in extraction, synthesis and processing of metals with an ... The refining process, which is also based on pyrometallurgy and ...... In situ STM and EQCM studies of tantalum electrodeposition from...

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Conflict-Free, Socially Sustainable Tantalum - Kemet

Jun 2, 2014 ... of conflict-free tantalum from the Democratic Republic of Congo (DRC). This project ..... tantalum ore processing and capacitor-grade tantalum powder manufacturing. .... Tantalum ore that has been chemically refined to make.

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Download This Tip as PDF - Midwest Tungsten Service

information about tungsten mining, refining, and pricing. Often the people ... refining. The end result of the refining process is high purity tungsten powder.

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