B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
354/29, 341/32,
B01J 19/00 (2006.01) B01J 8/00 (2006.01) B01J 8/06 (2006.01) C07D 301/08 (2006.01)
Patent
CA 1187267
- 15 - OLEFIN OXIDATION REACTOR TEMPERATURE CONTROL ABSTRACT OF THE DISCLOSURE A temperature control system controls the temperature of an olefin oxidation reactor by measuring various parameters in the reactor and in flow lines to and from the reactor, and using these parameters with known quantities for specific heat of the feed and effluent and heats of vaporization and reaction to calculate a coolant flow rate set point. Parameters re- lating to the heat balance with regard to a desired olefin oxide product and undesired carbon dioxide products are utilized for correct control. Equipment is also provided for ascertaining the state of a catalyst used in the reaction. Circuit components are provided for obtaining changes in flow rates,temperatures and concentrations to calculate a change in coolant flow rate as well as the steady state fluent flow rate quantity to improve the system response to start up, shut down and transient conditions. -15-
427648
Babcock & Wilcox Company The
Ridout & Maybee Llp
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