Sun, Jinsheng; Wang, Fan; Ma, Tingting; Gao, Hong; Wu, Peng - In: Energy 45 (2012) 1, pp. 696-703
In the present paper, a five-column heat integrated methanol distillation scheme is proposed with the aid of process simulation and pinch analysis. Unlike the popular four-column (or 3 + 1 column) scheme, a medium-pressure column is added after the light ends column in this novel scheme. The...