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Materials 2012, 5(7), 1232-1246; doi:10.3390/ma5071232

Stockpiling and Comprehensive Utilization of Red Mud Research Progress

*  and
College of Civil Engineering, Chongqing University, Chongqing 400044, China
* Author to whom correspondence should be addressed.
Received: 2 May 2012 / Revised: 11 June 2012 / Accepted: 29 June 2012 / Published: 16 July 2012
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With increasing production of red mud, the environmental problems caused by it are increasingly serious, and thus the integrated treatment of red mud is imminent. This article provides an overview of the composition and the basic characteristics of red mud. The research progress of safe stockpiling and comprehensive utilization of red mud is summarized. The safe stockpiling of red mud can be divided into two aspects: the design and safe operation of the stocking yard. The comprehensive utilization of red mud can be further divided into three aspects: the effective recycling of components, resource utilization and application in the field of environmental protection. This paper points out that the main focus of previous studies on red mud stockpiling is cost reproduction and land tenure. The recovery of resources from red mud has a high value-added, but low level industrialization. The use of red mud as a building material and filler material is the most effective way to reduce the stockpiling of red mud. Red mud used for environmental remediation materials is a new hotspot and worth promoting for its simple processing and low cost.
Keywords: red mud; basic characteristics; safe stockpiling; comprehensive utilization red mud; basic characteristics; safe stockpiling; comprehensive utilization
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Liu, D.-Y.; Wu, C.-S. Stockpiling and Comprehensive Utilization of Red Mud Research Progress. Materials 2012, 5, 1232-1246.

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