This agent can selectively remove basic nitrogen compounds from coker gas oil and the refined oil yield is over 97%.

• 该工艺采用研制的脱氮用精制剂,该精制剂为一种酸性络合剂,能选择性脱除焦化蜡油中的碱性氮化物,精制后油的收率97%25以上。