The Advanced BCL Process employs an inline hydrotreater to improve the quality of the recycle solvent and product oils. A hydrotreating test of liquefied crude oil was carried out by using a laboratory-scale fixed-bed reactor with a Ni-Mo-P/Al_2O_3 catalyst. The storage stability was improved by hydrotreatment of coal liquefied oil, and the coal liquefaction reaction characteristics were also improved using hydrotreated oil.
