 Home > Chemicals Industry > Chemical Technology > Issue 48/2014 - Shenning Coal Chemical Industry has obtained two more invention patents

Issue 48/2014 - Shenning Coal Chemical Industry has obtained two more invention patents

 Last Update: 2022-11-13
 Source: Internet
 Author: User

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Recently, a method for controlling the water content of propylene products in the process of making propylene from coal-based methanol to propylene declared by Shenning Group Coal Chemical Industry Branch and a device and method for preparing dimethyl ether were awarded national invention patents
.
So far, Shenning coal chemical industry has obtained a total of 56 patents
.

A method for controlling the water content of propylene products in the process of coal-based methanol to propylene is patented for the water content of propylene products, and the water content of the product meets the polymeric grade propylene standard
by implementing small changes to the original process flow.
A device and method for preparing dimethyl ether invention patent increases the effective reaction volume of the reactor in the dimethyl ether preparation device, realizes large-scale production, ensures the bed temperature, improves the conversion rate and dimethyl ether selectivity
.
(Zhang)

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