For the production of catalysts, including aging the silicon stent in alkaline solution, removing at least part of the alkaline solution, adding chromium into the silicon stent, and activating the silicon stent for less than 8 hours, batch equal to or greater than 226.8 kg; and Anyone can view this photo.

摘要

Method for producing a catalyst comprising a Silica Support Aging in an Alkaline Solution.To remove at least a portion of the Alkaline solution and activate the Silica support for less than 8 hours and lots EQUAL or greater to 226.8 kg; and a method for preparing a Polymer.