| 摘要 |
<p>Material mixture contains 50-70% pre-classified polluted water sediment, 5-20% red mud, 5-20% bleaching earth containing mineral oil, 2-10% aluminum hydroxide, 0-10% natural expandable clay, and 5-20% of a material containing 25-75% silicon dioxide and 20-45% fluxing agent. Preferred Features: Less than 5% natural expanded clay is added. No natural expandable clay is added. The material containing silicon dioxide and fluxing agent is ground glass.</p> |
