In this paper the MINLP method proposed in Part(Ⅰ)is illustrated by applying it tothe synthesis problem of non-sharp distillation sequences.A MINLP formulation for the synthesis ofdistillation sequences with non-shar...In this paper the MINLP method proposed in Part(Ⅰ)is illustrated by applying it tothe synthesis problem of non-sharp distillation sequences.A MINLP formulation for the synthesis ofdistillation sequences with non-sharp separation is proposed.In this formulation the recoveries of thekey components are introduced as optimization variables and this makes it possible to synthesize adistillation sequence with specified component recoveries,and at the same time,renders the MINLPproblem nonconvex.The solution procedure is illustrated with three example problems.展开更多
原料油直接影响到石油磺酸盐产品的成分及性能指标。采用实验室直接合成石油磺酸盐的方法对收集到的9种石油馏分油进行原料油的筛选研究。对合成出来的石油磺酸盐产品进行酸渣量、未磺化油、收率、界面张力等测试,结果表明:由低黏度糠...原料油直接影响到石油磺酸盐产品的成分及性能指标。采用实验室直接合成石油磺酸盐的方法对收集到的9种石油馏分油进行原料油的筛选研究。对合成出来的石油磺酸盐产品进行酸渣量、未磺化油、收率、界面张力等测试,结果表明:由低黏度糠醛抽出油和中捷减二线油为原料油得到的石油磺酸盐单剂油水界面张力均能达到10^(-2) m N/m数量级。因此,建议低黏度糠醛抽出油和中捷减二线油作为大港油田合成石油磺酸盐的原料油。此外,针对原料油磺化过程中酸渣生成较多的问题,优化研究了稀释剂、反应温度和反应时间对磺化反应的影响,进而得出了最佳的合成条件:原料油稀释剂二氯乙烷质量分数2.0%,反应温度为55℃,反应时间为1 h。展开更多
基金Supported by National Natural Science Foundation of China
文摘In this paper the MINLP method proposed in Part(Ⅰ)is illustrated by applying it tothe synthesis problem of non-sharp distillation sequences.A MINLP formulation for the synthesis ofdistillation sequences with non-sharp separation is proposed.In this formulation the recoveries of thekey components are introduced as optimization variables and this makes it possible to synthesize adistillation sequence with specified component recoveries,and at the same time,renders the MINLPproblem nonconvex.The solution procedure is illustrated with three example problems.
文摘原料油直接影响到石油磺酸盐产品的成分及性能指标。采用实验室直接合成石油磺酸盐的方法对收集到的9种石油馏分油进行原料油的筛选研究。对合成出来的石油磺酸盐产品进行酸渣量、未磺化油、收率、界面张力等测试,结果表明:由低黏度糠醛抽出油和中捷减二线油为原料油得到的石油磺酸盐单剂油水界面张力均能达到10^(-2) m N/m数量级。因此,建议低黏度糠醛抽出油和中捷减二线油作为大港油田合成石油磺酸盐的原料油。此外,针对原料油磺化过程中酸渣生成较多的问题,优化研究了稀释剂、反应温度和反应时间对磺化反应的影响,进而得出了最佳的合成条件:原料油稀释剂二氯乙烷质量分数2.0%,反应温度为55℃,反应时间为1 h。
