Abstract

The Exxon donor-solvent (EDS) coal liquefaction process is being developed by Exxon Research and Engineering Company (ERaE) under the joint sponsorship of the Department of Energy and private industry.* This development project includes operation of a 250-ton/day (2.27 x 105 kg) liquefaction pilot plant in Bay town, Texas and laboratory and engineering studies aimed at producing technology upon which pioneer, commercial-scale EDS plants may be built. The process handles a variety of coals ranging in rank from lignitic to bituminous and produces high-quality naphtha and distillate liquids. The laboratory component of this program includes the operation of two 75 lb (34 kg)/day coal liquefaction pilot plants and a 1-ton (910 kg)/day coal liquefaction pilot plant at the Baytown Research and Development Division of ER&E. Small batch autoclaves called tubing bombs are also used extensively in screening studies.

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