Archives :: Chementator :: Process Technology
December 1, 2013
Petroleum refineries generate power from a number of sources, including cogeneration plants and steam networks. Generally, steam networks use turbines to improve operational reliability, specifically as drivers for rotating equipment. Due to increasing energy costs, it is essential to maximize the power-generation capabilities of steam networks. This article presents a spreadsheet-based optimization model...
March 1, 2013
Conventional methanation — the reaction of CO and H2 (synthesis gas) to form methane — has recently become important as a way to produce substitute natural gas (SNG) from gasified coal in regions of the world where natural gas is scarce (see Chem. Eng., August 2010, pp. 14–17). Now, an alternative methanation process, which produces CH4 directly from CO2 and H2, has been developed by...
December 1, 2012
The volume of heavy, sour crude oil processed by North American refineries is steadily increasing, and along with it a commensurate demand for hydrogen to upgrade that oil. A steam-reforming process that would allow refiners to produce their own H2 from heavy oil and residuum is being developed by TDA Research, Inc. (Wheat Ridge, Colo.; www.tda.com). Currently, refiners make a lot of their own hydrogen by...
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