A major challenge in the successful commercialization of coal conversion is selection, testing and development of construction materials to resist the hostile environments encountered in these processes. Only too frequently, this activity is approached in a haphazard manner, addressed as an afterthought rather than through carefully mapped out programs. In the Exxon Donor Solvent (EDS) coal liquefaction process, we are overcoming these hurdles by means of a comprehensive materials evaluation program which is fully integrated into all phases of process development, from bench scale to large pilot plant.

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