... CoMo, NiMo Catalyst, Diesel, Fuel, Kerosene Hydrotreating. Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur ... sulfur from refineries and other hydrocarbon processing plants.An HDS unit in the petroleum refining industry is also often ... referred to as a hydrotreater.Chempack HDS Catalyst as follows:DIESEL DEEP HDS CATALYST WMNC-10, a molybdenum(Mo), ...