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My improvement consists in first subjecting the material to artificial heat to dry the same, then disintegrating the dirt and cleaning the gravel without crushing or, grinding it, and then separati...
A filter and water reclamation system, comprising in series tank means for receiving contaminated liquid containing entrained solids and detergent and wax to be filtered and reclaimed, sump means f...
However, the grinding according to the invention is further improved by an addition of a grinding aid, for example, triethanolamine. The Portland cement that is ground to the ultrafine cement may b...
Ically moving coarse particles of activated carbon through the solution during adsorption, said carbon being confined to prevent free intermingling with the solution, simultaneously agitating the s...