Research Article

Impact of Na+ and Ca2+ Cations on the Adsorption of H2S on Binder-Free LTA Zeolites

Table 1

Theoretical cation distribution in LTA zeolites at different degrees of exchange.

Exchange rateNumber of cationsPosition IPosition IIPosition III

0%12831
0 Ca2+8 Na+0 Ca2+3 Na+0 Ca2+1 Na+

17%1183
1 Ca2+7 Na+0 Ca2+3 Na+

33%1082
2 Ca2+6 Na+0 Ca2+2 Na+

50%981
3 Ca2+5 Na+0 Ca2+1 Na+

67%88
4 Ca2+4 Na+

83%77
5 Ca2+2 Na+

100%66
6 Ca2+0 Na+