Patent ID: 9452408
Filing Date: 2016-09-27
CPC Classification: B01J,C01B,C07C,C10G,Y02P,Y10T

Claim Text:
1. A method of shutting down one or more unit operations, the method comprising the steps of: shutting down a first unit including microchannels therein by decreasing a material fed to the first unit and through the microchannels, the first unit at least partially housed within a containment device; directing an inert medium into fluid communication with the first unit and flowing through the microchannels to provide an inert medium concentration flowing through the first unit; monitoring at least one of pressure, temperature, and concentration at least one of within the first unit, downstream from the first unit, and within an interior of the containment device; and, increasing the inert medium concentration within the first unit operation as a material concentration decreases.