Anne K. Rhodes Refining/Petrochemical Editor Terra International Inc., Sioux City, Iowa, has started up a 400 ton/day (3,200 b/d) methanol plant at its Woodward, Okla., manufacturing complex. The methanol plant is integrated with the company's existing ammonia facility there (see cover photo). Terra says it is operating the only integrated methanol/ammonia facility in the U.S. The decision to integrate the two systems stemmed from a strong methanol demand, projected to increase, and low capital requirements because the two processes can share common components. The unique design of Terra's ammonia plan...

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