Feed control in the manufacture of methyl tertiary butyl ether

Details Feed control in the manufacture of methyl tertiary butyl ether Feed control in the manufacture of methyl tertiary butyl ether

B - Operations, Transporting

01

F

B01F 3/08 (2006.01) C07C 41/01 (2006.01) C07C 43/04 (2006.01)

Patent

CA 2178708

A first stream of predeterminable temperature is mixed with a second stream of a different predeterminable tempera- ture to provide a final mixed stream by flowing a portion of the second stream through a by-pass indirect contact heat exchanger into indirect heat exchange contact with a flowing stream of a heat exchange liquid, by-passing a second portion of the second stream, by mixing the first and second portions to provide a reconstituted second stream having an intermedi- ate temperature, by mixing the first stream with the reconsti- tuted second stream to provide a final stream having a final temperature and by changing the portion of the second stream flowing through the by-pass in response to a change in the final temperature by an amount sufficient to maintain the temperature of the final stream, for example, in the prepara- tion of a charge stream used in the preparation of methyl tertiary butyl ether from tertiary butyl alcohol and methanol.

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