| 摘要 |
<p>Disclosed is a filter aid or medium and a method of filtering liquid wastes having good filtration, good flow rates through the filter area, and heat value of the resulting filter cake containing the filtered solids of at least 5000 Btu per pound of filter aid. Rubber particles in a mesh size range of from about 30 mesh to 325 mesh, alone or with up to about 70 % silicious particles, and preferably a wetting agent is used for the filtration.</p> |
