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A review on synthesis of kaolin‐based zeolite and the effect of impurities
Author(s) -
Prasetyoko Didik,
Santoso Mardi,
Qoniah Imroatul,
Leaw Wai L.,
Firda Putri B. D.,
Nur Hadi
Publication year - 2020
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201900047
Subject(s) - zeolite , chemistry , impurity , kaolinite , catalysis , sodium silicate , sodium aluminate , fluid catalytic cracking , silicate , inorganic chemistry , ion exchange , cracking , chemical engineering , ion , organic chemistry , mineralogy , aluminium , engineering
Zeolite is extensively synthesized for the application in a large variety of catalysis processes such as ion exchange, hydrocarbon cracking, and organic synthesis. In order to satisfy the serious terms of sustainability that denotes to the reduction of costs and chemical waste, kaolinite‐based zeolites were produced from cheap natural resources as against to the conventional process that employs pure sodium silicate and sodium aluminate. This review paper is to highlight the current trends in the synthesis of zeolite. Prior to previous reviews, great concern is focused on the impurities effect on the catalytic performance of kaolinite‐based zeolites. This study reveals that the impact of impurities in a catalytic reaction was in fact, underestimated or neglected. For instance, it was found that Fe ion concentration as small as 60 ppm gives significant catalytic output. Hence, a new practice to report the concentration of impurities in the research publication is suggested. This undoubtedly will generate a better interpretation of the catalytic activity from the zeolite framework.