摘要
为了研究表面活性剂亲水亲油平衡值(HLB值)与渣油乳化体系分散性和电学性质的关系,采用粒径和粒径分布相结合的方法来评价乳化体系的分散性,利用电导率值的变化来反应体系电学性质的差异,以表面活性剂B和A复合成实验用渣油乳化分散剂来分散渣油加氢裂化水溶性盐,考察了表面活性剂HLB值对渣油包盐水体系的分散性和电学性质的影响。结果表明,随表面活性剂HLB值从小到大的变化,不同水溶性盐在同种油中的分散性和电学性质不同,同种盐在不同油中的变化也存在着差异。乳化体系的分散性及电学性质随着HLB值的增加呈非线性变化。
The relation between the hydrophilic-lipophilic balance （HLB） parameters of surfactants and the dispersion and electrical properties of the residue emulsified system were investigated. Droplet size and droplet distribution analysis were used to evaluate dispersion properties of the emulsions prepared with emulsifier blends of different HLB values, while the conductivity was used to appraise the electrical properties. The residue was emulsified and dispersed by the mixed emulsifier. The effects of suffactant HLB parameters on the dispersion properties of brine in the residue and the electrical properties were examined. The results showed that the emulsions prepared with emulsifier of various HLB values are also different in the dispersion and electrical properties ; there is a non-linear correlation between the dispersion and electrical properties and HLB value of the mixed emulsifier.
出处
《燃料化学学报》
EI
CAS
CSCD
北大核心
2009年第2期189-193,共5页
Journal of Fuel Chemistry and Technology
关键词
渣油
表面活性剂
分散性能
HLB
电学性质
residue
surfactant
dispersity
hydrophilic-lipophilic balance
electrical properties
