The effects of alkyl-naphthalene which is one of the pour point depressants (PPD) on the amount of wax precipitated from the simulation oil are studied in this work.

• 研究了降凝剂(PPD)对模拟油中蜡析出的影响,用高速离心机对特定温度下析出的蜡进行了分离,得到了加剂前后不同温度下的析蜡量;