kowa seiko pelletizing chlorination

A combined kinetic and thermodynamic approach for ...

In fact, Kowa Seiko Co., Ltd has commercially operated a chloride volatilization process for recovering Cu, Zn, and Pb from industrial waste iron ore dust. The volatilized metals are collected and …

におけるの ... - JST

Since May, 1977, the iron bearing dust (flue-dust of blast furnace and/or steel converter sludge, etc.) produced in the Steel Works' has been processed at Tobata Plant with new technics developed by the collaboration with Nippon Steel Corp. and Kowa Seiko …

US Patent for Process for recovering precious metals from ...

The present invention is a process to recover precious metals from sulfide ores. It involves chlorinating a mixture of an ore concentrate and salt to form a liquid melt. The salt preferably contains potassium chloride. This chlorination is carried out at a temperature between 300.degree. and 600.degree. C. while stirring. The process converts precious metals in the elemental and sulfide forms ...

The behaviour of selected heavy metals in MSW incineration ...

JOURNALOF HAZARDOUS MATEIIALS ELSEVIER Journal of Hazardous Materials 50 (1996) 1-13 The behaviour of selected heavy metals in MSW incineration electrostatic precipitator ash during roasting with chlorination agents Chris Chan *, Charles Q. Jia, John W. Graydon, Don W. Kirk Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ont. M5S 3E5, Canada …

Preparation of high quality magnetite ... - ResearchGate

Examples include the Kowa Seiko pelletizing chlorination process for oxidized pellet production [12−14], a single fluid bed chlorination process to produce purified iron ore concentrates [15], a ...

temperature chlorination - ResearchGate

temperature chlorination ... process in "chlorine metallurgy" [4J for a long time. The first plant was built in Finland in 1952, while in 1963 the Kowa Seiko plant in Japan went into operation [5J

Chloride Metallurgy 2011 | Titanium Dioxide | Chlorine

Chlorine and hydrogen chloride gas by itself can react completely and ... This resulted in the establishment of a 350 tonnes/day rotary kiln operation by Kowa-Seiko (Japan) in the early ... Ishizuka, T., Ashiya, R. and Yasuoka, E., 1985. Tec-Kowa Pelletizing Chlorination …

A combined kinetic and thermodynamic approach for ...

In fact, Kowa Seiko Co., Ltd has commercially operated a chloride volatilization process for recovering Cu, Zn, and Pb from industrial waste iron ore dust. The volatilized metals are collected and concentrated into water solution in gas scrubbing facilities, where acidic gases such as HCl are simultaneously removed from the gas stream.

Schadstofffreisetzung aus Schwefelkiesabbränden am ...

Colak S, Kayadeniz I, Ceyhun I, Bayramoglu M (1993) Optimization of sulfur removal and copper and cobalt extraction from Turkish Kure pyrite cinder by aqueous chlorination, Chim. Acta Turc., 21(1), …

Fly ash treatment in Japan and the new oxygen-enriched …

Fly ash treatment in Japan and the new oxygen-enriched WTE in Sendai T.Nakamura Institute of Multidisciplinary Research for ... Kowa Seiko Corporation Fly ash is treated by Kowa process to recover non-ferrous metals. Principle of Kowa process is chlorination …

A novel process for Fe recovery and Zn, Pb removal from a ...

Sep. 2018. Article Contents. Turn off MathJax

- JST

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JOM, Volume 20, Issue 3 - Springer

Volume 20, Issue 3, March 1968. ISSN: 1047-4838 (Print) 1543-1851 (Online) In this issue (13 articles) Technical Article. Continuous casting of wide slabs. Hans ... Kowa Seiko pelletizing chlorination process—Integral utilization of iron pyrites. Yasutake Okubo Pages 63-67.

Salt roasting of an off-grade copper concentrate ...

HydrometaUurgy, 21 (1989) 359-372 359 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands Salt Roasting of an Off-Grade Copper Concentrate N.V. NGOC*, M. SHAMSUDDIN …

Kowa Seiko pelletizing chlorination process—Integral ...

Jan 12, 2017· Kowa Seiko pelletizing chlorination process—Integral utilization of iron pyrites Yasutake Okubo 1 JOM volume 20, pages 63 – 67 ( 1968 ) Cite this article

Process for recovering metals from refractory ores ...

Apr 14, 1992· M. Yoshinaga et al, "Tec-Kowa Pelletizing Chlorination Process, its Establishment and Development", The Metallurgical Society, Inc. (1985), pp. 221-238. M. N. Zyryanov et al, "Importance of Optimum [Chemical] Form of Iron in the Chlorine …

Schadstofffreisetzung aus Schwefelkiesabbränden am ...

Colak S, Kayadeniz I, Ceyhun I, Bayramoglu M (1993) Optimization of sulfur removal and copper and cobalt extraction from Turkish Kure pyrite cinder by aqueous chlorination…

Applications of energy analysis to mineral and ...

The chlorinating agent can be calcium chlorides (Kowa-- Seiko process), HC1, pure or as a mixture with water (V.I.P. process), or chlorine (Lurgi and Montedison process). Chloride separation is carried out …

Chlorinated Volatilization Roasting: Decomposition of ...

The kinetics and vapor-solid equilibria of the gold-chlorine system have been studied between 70 ° and 8oo °C at chlorine pressures ranging from 76 to 760 torr.

Fly ash treatment in Japan and the new oxygen-enriched …

Fly ash treatment in Japan and the new oxygen-enriched WTE in Sendai T.Nakamura Institute of Multidisciplinary Research for ... Kowa Seiko Corporation Fly ash is treated by Kowa process to recover non-ferrous metals. Principle of Kowa process is chlorination roasting using a rotary kiln. (3) Sumitomo Metals and Mining Corporation

Complex Sulphide Ores: Processing Options | SpringerLink

Complex sulphide ores represent considerable reserves and resources in base non ferrous metals, in precious metals, and in sulphur. Some of their essential characteristics, which allow a general …

Complex Sulfides Processing of Ores Concentrates and By ...

Complex Sulfides Processing of Ores Concentrates and By-Products. $49.95. Complex Sulfides Processing of Ores Concentrates and By-Products. $49.95. Weight: 3.00 LBS Shipping: Calculated at checkout Current Stock: Out of stock ... "Tec-Kowa Pelletizing Chlorination Process"

(flue-dust of blast furnace and/or steel converter etc ...

Steel Corp. and Kowa. Seiko Co., Ltd. Non-ferrous metals, undesirable impurities for iron. manufacturing such as zinc and lead are extracted and recovered from. iron bearing dust by this new process. The new process is the combination. of oxidization of iron bearing dust and subsequent pelletizing chlorination …

Disposal of acid-bearing and acid-generating sludges in ...

Disposal of acid-bearing and acid-generating sludges in the fertilizer manufacturing industry Article in Canadian Journal of Civil Engineering 14(1):1-6 · February 2011 with 24 Reads

- jstage.jst.go.jp

Since 1970, Dowa Seiko Amagasaki Plant has been producing 28, 000 tons of iron pellet a month by the "Kowa Seiko pelleti zing chlorination Process" and recovering non ferrous metals such as Cu, Zn, Pb, Au, Ag and so on contained in the raw pyrite cinder by a hydro-metallurgical process.

における "" の

Since 1970, Dowa Seiko Amagasaki Plant has been producing 28, 000 tons of iron pellet a month by the "Kowa Seiko pelleti zing chlorination Process" and recovering non ferrous metals such as Cu, Zn, …

Process for the roasting and chlorination of finely ...

Mar 31, 1981· The recovery of the valuable metals from the chlorides can be carried out, for example, as in the Kowa Seiko process (Yasutake Okubo: "Kowa Seiko Pelletizing Chlorination Process--Integral Utilization of Iron Pyrites", Journal of Metals, March 1968, pp. 63-67) or possibly by some other known method, depending on the possibilities for further ...

Kowa Seiko Corporation

Kowa Seiko Corporation Chemical Industry (Industrial waste treatment and Recycling) Company Work Description ※Within 150 Words Industrial waste treatment, general waste treatment, raw material manufacturing for iron production. Iron-making raw material manufacturing, non-ferrous metal refinement/smelting, sulfuric acid manufacturing (processing),

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