... for Non-hydro-dewaxing, adsorbent, crude oil pour point depressant, decolorization deodorant, liquidoid catalyst ... B. The diesel distilled from the waste machine oil, waste plastic, waste tire (waste rubber), ... . Apart from the quality of the crude oil engine, it is the major factor that ... oil will be yellowish, clear, and clean and no longer become black after refining. Catalyst reactor for oil ...