Paper Title:
Preparation of Nanometer Al (OH)3 Powder Using Coal Gangue by Polyacrylamide Dispersant-Carbonization Method
  Abstract

Polyacrylamide after the molecule degradation is used as dispersant and the coal gangue as the raw material to prepare the nanometer Al (OH)3 powder in this paper. Calcining at high temperature to activate coal gangue and controlling the change of C2S crystal were adopted to prepare the self-pulverized material of coal gangue. When the aluminum component part is distilled with NaAlO2 form from the self-pulverized material of coal gangue by using 8% Na2CO3 solution, the high-pure superfine aluminum hydroxide powder is prepared by using the high efficiency dispersant carbonization method. When the influence factor that the high efficiency dispersant carbonization method prepares high-pure superfine aluminum hydroxide powder has been studied, it has been found that the optimum condition of the high efficiency dispersant carbonization method can prepare the high-pure superfine aluminum hydroxide powder. The average granularity of aluminum hydroxide powder that has been prepared is less than 100 nm and the purity is more than 99.9%, for a new way has been opened up for the high value utilization of coal gangue.

  Info
Periodical
Advanced Materials Research (Volumes 160-162)
Edited by
Guojun Zhang and Jessica Xu
Pages
307-313
DOI
10.4028/www.scientific.net/AMR.160-162.307
Citation
Z. H. Tang, "Preparation of Nanometer Al (OH)3 Powder Using Coal Gangue by Polyacrylamide Dispersant-Carbonization Method", Advanced Materials Research, Vols. 160-162, pp. 307-313, 2011
Online since
November 2010
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$32.00
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