化工进展

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乳化剂对甲醇乳化柴油稳定性的影响

上官民,刘有智,焦纬洲,邱尚煌,冯国琳   

  1. (中北大学,山西省超重力化工工程技术研究中心,山西 太原 030051)
  • 出版日期:2011-03-05 发布日期:2011-03-05

Effect of emulsifiers on stability of methanol diesel emulsion fuel

SHANGGUAN Min,LIU Youzhi,JIAO Weizhou,QIU Shanghuang,FENG Guolin   

  1. (Research Center of Shanxi Province for High Gravity Chemical Engineering and Technology,North University of China,Taiyuan 030051,Shanxi,China)
  • Online:2011-03-05 Published:2011-03-05

摘要:

从表面张力和内外相密度差两方面来考察乳化剂对乳液稳定性的影响。实验结果表明:以Span80为原料的乳化剂,最低表面张力时的HLB值为78,乳液的破乳时间为1226 h,而当乳液内外相密度相等时,其破乳时间为4 h11 d;以油酸为原料的乳化剂,最低表面张力时的HLB值为36,此时破乳时间为224 h,而当乳液内外相密度相等时,其破乳时间为3 h4 d

Abstract:

The effect of emulsifiers on the stability of methanol diesel emulsion fuel was studied. The results showed that for the span80 emulsifiersthe HLB value of the emulsifier was 78 at minimum surface tensionand demulsification time was 1226 hbut when the densities of outer and inner phases of the emulsion were equaldemulsification time was 4 h11 d. For the oleic acid emulsifiersthe HLB value of the emulsifier was 36 at minimum surface tensionand demulsification time was 224 hbut when the densities of outer and inner phases were equaldemulsification time was 3 h4 d.

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