摘要
我国几种主要原油的钙含量随酸值增加而增加，原油中的钙９６％以上存在于减压渣油中。两种高钙减渣的６组分分离实验结果表明，钙与镍、钒化合物的分布规律和形态不同。戊烷沥青质中的钙占总钙的３２％以下。在分离过程中，一半以上的钙随强极性化合物一起被吸附在色谱柱上。
Domestic crudes can be classified into three groups by Ca acid value relationship.The higher acid value,the more calcium in crude is.More then 96% Ca in crude remained in VR.Six fraction experiment showed that calcium in VR was different from Ni and V whether in distribution or in structure.Ca in C 5 asphaltene was less than 32% of total calcium.More than half of calcium remained in the column with strong polar compound,and was difficult to wash off.
出处
《石油学报（石油加工）》
EI
CAS
CSCD
北大核心
1998年第3期57-61,共5页
Acta Petrolei Sinica(Petroleum Processing Section)
关键词
钙含量
钙分布
原油
脱盐
domestic crude,calcium content,calcium distribution
