The original method of processing oil shale involved crushing the rock and then heating it. What environmental problem did this create that the new method (heating the rock in place) seeks to avoid?

Question

Quizplus · Accepted Answer

The original method of processing oil shale created large volumes of waste rock, which posed significant environmental and disposal challenges. The new method of heating the rock in place avoids this problem by eliminating the need to remove and crush the rock, thereby reducing the generation of waste material.

The Original Method of Processing Oil Shale Involved Crushing the Rock