Production of High Purity Alumina and Zeolite from Low-Grade Kaolin-Reference-Cited by-同舟云学术

Production of High Purity Alumina and Zeolite from Low-Grade Kaolin

Published:2007-11 Issue: Volume:29-30 Page:187-190
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Meor Yusoff Meor Sulaiman¹,Masilana M.²,Choo T.F.²,Julie A.M.²

Affiliation:

1. Malaysian Nuclear Agency Bangi

2. Malaysian Institute for Nuclear Technology Research

Abstract

Malaysia mainly produced low quality kaolin and the paper describes the development of a chemical process to produce high purity alumina and zeolite from this mineral. Selective leaching technique was applied to remove 45% of the Al2O3 content in kaolin. The high purity alumina produced shows similar characteristic to the commercial product. An alkaline fusion stage was then carried to transform the kaolin mineral into zeolite. Identification of the crystalline phase by XRD shows that it consists of both zeolite P and hydroxysodalite.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.29-30.187.pdf

Reference6 articles.

1. John, C.W., 2000, The Mineral Industry of Malaysia. U.S. Geological Survey Minerals Yearbook. 16. 1-16. 8.

2. S. S. Park, E. H. Hwang, B. C. Kim, and H. C. Park, 2000, Synthesis of Hydrated Aluminum Sulfate from Kaolin by Microwave Extraction. J. Am. Ceramic. Soc. Vol. 83, No. 6, June (2000).

3. Show Denko, 2004, Product guide chemical aluminas and aluminium hydroxides, Yokohama, Japan.

4. Xinmei, L., Zifeng, Y., Huaiping, W. and Yantuo, L., 2000, In-situ Synthesis of NaY Zeolite with Coal-Based Kaolin. Journal of Natural Gas Chemistry, 12: 63-70.

5. Jadambaa, T., Kiyoshi, O. and Kenneth, J. and MacKenzie, D., 2002, Zeolite formation by hydrothermal treatment of waste solution from selectively leached kaolinite. Journal of Materials Letters. 52: 91-95.

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