| 摘要 |
<p>Disclosed herein is an absorbent, particularly useful for the sorption of oil or other petroleum-based products contaminating a body of water. The absorbent is prepared by subjecting sulphite reject from a paper mill process, or a combination of sulphite reject and sulphate reject from a paper mill process, to rapid forced heating at a temperature effective to gasify moisture in the starting material and the cause the starting material to expand or burst.</p> |
