国家/地区 中国（2）
IPC部 C（2）
IPC大类 C10（2）
IPC小类 C11B（2）
IPC
发明人
公开年
申请年
专利权人

Preparing sulfurized fatty acid comprises taking kitchen waste oil, centrifuging and removing suspended solids, adding specific amount of water for removing colloidal substances, drying, dehydrating and cooling.

HE X

Production of biodiesel involves heating lipid, lower alcohol and sulfonated graphene, refluxing, filtering, separating lower glycerol layer from filtrate, adding sodium bicarbonate to upper layer, washing, drying and evaporating.

CHEN Z, LI R, WANG H, YAN F, YANG D, WANG M, ZHANG J