METHOD FOR REMOVAL OF UNSATURATED AND AROMATIC HYDROCARBONS FROM HYDROCARBON STARTING MATERIALS OR THEIR MIXTURES OF VASELINE PRODUCTION AND VASELINE CONTAINING MATERIALS TREATED THIS WAY

摘要

Unsaturated and aromatic hydrocarbons are removed from individual or mixed hydrocarbons, used as raw materials in petroleum-jelly prodn. Removal is carried out by activated carbon treatment at suitable temps., that maintain components in liq. phase.