Study on Competitive Sorption Capacity of Sr2+/Cs+ in Zeolite and Palygorskite

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Competitive sorption capacity of equal concentration of Cs+ and Sr2+ in zeolite and palygorskite were studied by the intermittence method. zeolite and palygorskite of adsorbed Cs+ and Sr2+ were analysed with the XRD. They could offer some references for the sake of valuing mid-lower radwaste disposition. The results showed that adsorptive equilibrium time of NF to Cs+ and Sr2+ was about seven day, that of ZF was about three day, and that of CA was about fourteen day. Equilibrium adsorptive quantity of ZF to Cs+ and Sr2+ was the best, and that of NF was second, and that of CA was third. Sorption capacity of NF to Cs+ was the better than that to Sr2+, and selection of CA to Cs+ and Sr2+ was the little, and that of ZF was the lest. Equilibrium adsorptive rate of ZF to Sr2+ was almost the 100% and that of ZF to Cs+ was about 71.8% and that of NF to Cs+ was 66% and that of NF to Sr2+ was only 15% and that of CA to Sr2+ was about 28.6% and that of CA to Cs+ was only 16.4%. Crystal unit cell cubage and parameter a of zeolite and palygorskite adsorbed Cs+ and Sr2+ decreased and change of crystal unit cell parameter a、b and β of zeolite and palygorskite were ruleless.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Edited by:

Weiguo Pan, Jianxing Ren and Yongguang Li

Pages:

2515-2518

DOI:

10.4028/www.scientific.net/AMR.347-353.2515

Citation:

J. M. Wang "Study on Competitive Sorption Capacity of Sr2+/Cs+ in Zeolite and Palygorskite", Advanced Materials Research, Vols. 347-353, pp. 2515-2518, 2012

Online since:

October 2011

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$35.00

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