| 用标度方程预测沥青质沉淀点 |
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| 引用本文： | 胡玉峰,杨兰英,郭天民,林万臣,陈江.用标度方程预测沥青质沉淀点[J].高校化学工程学报,2001,15(6):574-577. |
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| 作者姓名： | 胡玉峰 杨兰英 郭天民 林万臣 陈江 |
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| 作者单位： | 1. 中国石油天然气集团公司油气藏流体相态重点研究室,石油大学,北京,102200
2. 吉林油田勘探开发研究院,吉林省,吉林市,138001 |
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| 基金项目： | 国家自然科学基金(20006010)，重质油加工国家重点实验室开放课题(200005)，石油大学(北京)校基金(99-I-09)资助项目。 |
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| 摘 要： | 研究了用标度方程预测沥青质没淀点的可行性，并将其推广应用至高压注气体系和沉淀剂/溶剂/原油体系。结果表明，对常压正构烷烃体系和高压注气体系，标度方程可以通过较易测定的沥青质沉淀量准确预测较难测定的沥青质的沉淀点；对常压正构烷烃体系的和沉淀剂/溶剂/原油体系，标度方程可通过正构烷烃沥青质沉淀点数据准确预测其它正构烷烃沥青质的沉淀点。
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| 关 键 词： | 标度方程 沥青质 沉淀量 沉淀点 预测 |
| 文章编号： | 1003-9015(2001)06-0574-04 |
| 修稿时间： | 2000年12月8日 |
Applicaton of Scaling Equation to Predict the Onset of Asphaltene Precipitation |
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| HU Yu-feng,YANG Lan-ying,GUO Tian-min,LIN Wan-chen,CHEN Jiang.Applicaton of Scaling Equation to Predict the Onset of Asphaltene Precipitation[J].Journal of Chemical Engineering of Chinese Universities,2001,15(6):574-577. |
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| Authors: | HU Yu-feng YANG Lan-ying GUO Tian-min LIN Wan-chen CHEN Jiang |
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| Affiliation: | HU Yu-feng1,YANG Lan-ying1,GUO Tian-min1,LIN Wan-chen2,CHEN Jiang2 |
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| Abstract: | The applicability of scaling equation for predicting onset of asphaltene precipitation has been studied and further extended to high-pressure gas injected system and precipitant/solvent/oil system. The results show that the scaling equation can provide accurate predictions for onset of asphaltene precipitation when knowing the variation of amount of asphaltene precipitation with dilution ratio in both normal-pressure n-alkane systems and high-pressure gas injected systems. By knowing a limited amount of onset data of asphaltene precipitation, the scaling equation can also be used to accurately predict the onset of asphaltene precipitation for other precipitants in normal-pressure n-alkane systems and precipitant/solvent /oil systems. |
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| Keywords: | scaling equation amount of asphaltene precipitation onset of asphaltene precipitation prediction |
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