MODIFIED ZEOLITES FOR THE REMOVAL OF CALCIUM AND MAGNESIUM FROM HARD WATER

被引:26
作者
LEVANMAO, R [1 ]
VU, NT [1 ]
XIAO, SY [1 ]
RAMSARAN, A [1 ]
机构
[1] CONCORDIA UNIV,DEPT CHEM & BIOCHEM,INORGAN MAT LABS,MONTREAL H3G 1M8,QUEBEC,CANADA
关键词
D O I
10.1039/jm9940401143
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The cation-exchange capacity (cec) and the pore size of zeolite materials are the two key factors which influence the removal of calcium and magnesium in aqueous solution. Na-X and Na-Y zeolites have been modified by selective extraction of Si from the zeolite framework using sodium carbonate. At ambient temperature, the modified Na-X zeolite was more efficient than the Na-A commercially used in detergency, for both Ca and Mg ions.
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页码:1143 / 1147
页数:5
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