雒和明,杨小平,丁明山,贾卫红,张燕,任嗣利

• 1:兰州理工大学石油化工学院
• 2:中国科学院兰州化学物理研究所固体润滑国家重点实验室

摘要(Abstract)：

对印尼油砂的基本性质如油砂的组分、砂粒的粒径分布、砂粒的润湿性及沥青的四组分进行分析,测试了沥青、黏土在不同p H值下的Zeta电位,考察了二价金属离子Ca2+对沥青、黏土Zeta电位的影响,同时对印尼油砂进行水基提取分离。分析结果表明,印尼油砂含油率高达24.9%,砂粒粒径较小,砂粒表面为油润性,沥青中重质组分含量较高。Zeta电位测试表明,Ca2+的存在使沥青与黏土表面电位均变正,不利于油砂的分离。水基提取结果显示,印尼油砂的提取率为46.0%,泡沫质量较差。为了提高沥青收率,应探索适宜的表面活性剂对油砂进行预处理从而改变砂粒的润湿性或直接采用溶剂法开采印尼油砂。

关键词(KeyWords)： 印尼油砂;水基提取;润湿性;沥青四组分;Zeta电位

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(编号:51374195);; 中国科学院“百人计划”资助项目

作者(Author): 雒和明,杨小平,丁明山,贾卫红,张燕,任嗣利

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