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中文摘要：
针对C3选择性加氢过程中冷剂费用过高问题提出将选择性加氢催化反应器设置在脱乙烷精馏塔的提馏段,并通过原流程的3个精馏塔的不同热耦合方式所构成的3种热耦合催化精馏结构;对三热耦合催化精馏结构分别进行严格模拟和评价,表明通过分离和加氢反应的结合增加了加氢反应的转化率,并通过热耦合降低了分离能耗,年度总费用降低显著。模拟结果表明,3种方案的年度总费用节约效果分别为4.107%、6.420%和10.337%。
英文摘要：
In order to reduce effectively the refrigeration cost for the process of selective hydrogenation of C3 alkyne into alkene, three novel thermally coupled catalytic distillation flowsheets are proposed. In the proposed flowsheets, the reactor for catalytic hydrogenation of C3 components is settled in the lower part of the deethanizer in the original process and the three columns are thermally coupled in different ways. The proposed flowsheets are rigorously simulated and evaluated. The results show that, compared with original process, the proposed processes raise the convert ratio of hydrogenation, and at the same time, significant energy saving can be achieved by the thermal couplings, leading to a decrease in the total annual cost by 4.107%, 6.420% and 10.337% respectively for the three proposed flowsheets.
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