| 溶剂精制提高催化裂化柴油的安定性 |
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| 引用本文： | 战风涛,李林,徐永强,苏贻勋.溶剂精制提高催化裂化柴油的安定性[J].炼油技术与工程,1998(3). |
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| 作者姓名： | 战风涛 李林 徐永强 苏贻勋 |
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| 作者单位： | 石油大学（华东）炼制系!山东省东营市，257062，石油大学（华东）炼制系!山东省东营市，257062，石油大学（华东）炼制系!山东省东营市，257062，石油大学（华东）炼制系!山东省东营市，257062 |
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| 摘 要： | 找到了一种用于催化裂化柴油精制的溶剂，使精制油的催速储存安定性沉渣和颜色均达到了优级轻柴油的标准（沉渣＜20mg／100mL，色号不大于3．5）。剂油体积比在1：10－1：500范围内，精制油收率达到99％以上。溶剂在精制油中的含量低，经水洗即可除去，溶剂与抽出物分离后可以循环利用。
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| 关 键 词： | 柴油 催化裂化 溶剂 精制过程 稳定性 |
IMPROVE STABILITY OF FCC LCOS BY SOLVENT EXTRACTION |
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| Zhan Fengtao, Li Lin, Xu Yongqiang, Su Yixun.IMPROVE STABILITY OF FCC LCOS BY SOLVENT EXTRACTION[J].Petroleum Refinery Engineering,1998(3). |
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| Authors: | Zhan Fengtao Li Lin Xu Yongqiang Su Yixun |
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| Abstract: | Color degradation with time is an obvious change in fuel properties for diesel fuels especially forcatalytic cracking light cycle oils(LCOs). For improvement of the color stability of diesel fuels, solvent extraction isan effective means which could extract some unstable compounds such as nitrogen compounds, sulfur compounds andfused arornatic compounds. A selective solvent was used to extract these compounds and upgrade the color stability ofdiesel fuels. When the volumetric ratio of solvent to oil is wtthin 1: 10 ~ 1:500, the yield of refined diesel was above99%. The colority of the refined oils after aging was 3 .5. |
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| Keywords: | diesel fluidized catalytic cracking solvent extraction |
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