现代化工

现代化工 ›› 2020, Vol. 40 ›› Issue (11) : 224-226,229. DOI: 10.16606/j.cnki.issn0253-4320.2020.11.046

工业技术

醚后碳四脱水工艺设计

李甜, 潘澍宇, 郭天祥, 吴鹏

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Design of dehydration process for post-esterification C₄ fractions

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Received		Published
2020-01-09		2020-11-20
Issue Date	Revised Date
2020-11-14	2020-01-09

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摘要

为满足2-PH装置对C₄原料含水量的限制，对其上游MTBE装置的醚后C₄进行脱水设计。通过对各脱水方案进行比较，最终流程采用"冷冻机+聚结器+分子筛"的方式，可以将C₄的含水量由1 800×10^-6降低至10×10^-6。经装置实际运行检验，采用此方式进行C₄脱水是可行有效的。

Abstract

In order to meet the restriction upon water content of C₄ raw material in 2-propylheptanol (2-PH) plant,a design is done for the dehydration of post-esterification C₄ fractions in MTBE plant.Through the comparison of various dehydration schemes,final process adopts the way of "freezer+coalescer+molecular sieve",which can reduce the water content in C₄ feedstock from 1,800 ppm to 10 ppm.It is verified through actual operation that this process is feasible and effective.