Process for starting-up an ethylene oxide reactor

Details Process for starting-up an ethylene oxide reactor Process for starting-up an ethylene oxide reactor

Filed on

1991-12-05

Date issued

1992-10-13

Examiner

Evans, Joseph E.

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

502347, C07D30110

Type

Patent

Status

active

Patent number

051552426

Description

ABSTRACT:
This invention relates to a process for starting up a fixed bed ethylene oxide reactor containing a supported silver catalyst promoted with one or more alkali metal promoter(s) which involves heating the reactor to slightly below normal operating conditions, passing an ethylene containing gas over the catalyst, adding a chlorohydrocarbon moderator to the gas passing over the catalyst and after approximately 0.1-5 milliliters of moderator (basis liquid) per cubic foot of catalyst has been added, then adding oxygen to the gas passing over the catalyst to initiate the ethylene oxidation reaction and subsequently raising the reactor temperature and gas flow rates to operating conditions.

REFERENCES:
patent: 2194602 (1940-03-01), Law et al.
patent: 2219575 (1940-10-01), McNamee et al.
patent: 2279469 (1942-04-01), Law et al.
patent: 2279470 (1942-04-01), Law et al.
patent: 2765283 (1956-10-01), Sacken
patent: 3962136 (1976-06-01), Nielsen et al.
patent: 4010115 (1977-03-01), Nielsen et al.
patent: 4810689 (1987-03-01), Hayden
patent: 4822900 (1989-04-01), Hayden
patent: 4831162 (1989-05-01), Nakajima
patent: 4874879 (1989-10-01), Lauritzen et al.
patent: 4950773 (1990-08-01), Monnier et al.

Affiliated with

Also associated with

Rating

Process for starting-up an ethylene oxide reactor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for starting-up an ethylene oxide reactor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for starting-up an ethylene oxide reactor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1301869