Aimed at the characteristic of Liaohe super heavy crude oil such as high content of heavy metal ,carbon residue,gum and asphaltene,the demetallization agent for delayed coking unit was developed.

• 针对辽河超稠油金属含量高,残炭、胶质、沥青质含量高的特点,研究开发了焦化脱金属剂。