Table 5 Percentage mass of elements before and after demetallation process in SZ.
From: Study on demetallization of heavy crude oil using different zeolitic materials
% wt | C | O | Na | Al | Si | Si/Al |
|---|---|---|---|---|---|---|
Before/after | Before/after | Before/after | Before/after | Before/after | Before/after | |
SZ | 4.64/55.72 | 51.96/28.14 | 9.04/2.04 | 9.22/5.26 | 25.14/8.84 | 2.73/1.68 |
