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中文摘要：
对甲醇气相法合成二甲醚、煤气化制甲醇气相法合成二甲醚以及煤炭风电联产甲醇制二甲醚的三种典型二甲醚生产系统进行了流程设计、模拟和能耗／CO2排放／经济成本的3E（Energy，Economic，Enviorenment）评价，并对影响二甲醚经济成本的敏感性因素（例如煤价、甲醇价格和风电设备利用小时数等）进行了敏感性分析．
英文摘要：
This thesis is aimed at developing new Mn-Cu sorbents with aluminate sol. The thesis also investigated the influence of sintering temperature, reduction time, sol amounts and space velocity on the sorbents＇ desulfurizating behaviour. The experiment results indicated that 900℃ is the best sintering temperature and the pre reduction process of 0.5 h in N2 and H2 would significantly improve the desulfruizing behaviour. The addition of aluminates sol not only prolonged the breakthrough time but also boosted the desulfurization depth. The behaviour of different sorbents＇ to space velocity are disparate. However, the breakthrough time in low space velocity is much longer than in the higher one in general.
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