Development of the Metallurgical Waste Recovery Process

Author:

Yur'ev Boris1,Gol'tsev Vladimir A.1,Dudko Vyacheslav1

Affiliation:

1. First President of Russia B.Yeltsin Ural Federal University

Abstract

We have developed the process that enables receiving pellets from zinc-containing dust and recovering them in a Waelz kiln with practically total zinc distillation and its capture in bag filters. As this takes place, metallic iron, still present in the pellets, can be used in metallurgical treatment. We have elaborated the process instructions to obtain pellets from zinc-containing dust with an addition of solid fuel, magnesite, and bentonite. To simulate recovery of the carbon-containing pellets in production, bench tests have been performed. These allowed us to determine principal operating conditions of the technological procedure of metallurgical zinc-containing dust recovery and validate the unit for recovery of this dust. The data obtained from the production tests prove feasibility of implementation of this process and allow assessing economic efficiency of zinc-containing dust recovery.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Reference20 articles.

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4. Xiaolong Lina, Zhiwei Penga, Jiaxing Yana, Zhizhong Lia, Jiann-Yang Hwangb, Yuanbo Zhanga, Guanghui Lia, Tao Jianga, Pyrometallurgical recycling of electric arc furnace dust, Journal of Cleaner Production. 149 (2017) 1079-1100.

5. F.-P. Tang, S.-J. Yu, F.b Qian, H.-Y. Hou, X.-F. Wang, X.-G. Ma, Research and practice on self-reductive dezincification of composite dust pellet, Kang T'ieh/Iron and Steel. 51 (2016) 89-93 and 111.

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