SRC 1 Solvent Refined Coal
SRC 1 Solvent Refined Coal : Also known as P&M and PAMCO. A coal liquification process developed by the Spencer Chemical Company and the Pittsburgh & Midway Coal Mining Company, which later became part of the Gulf Oil Corporation, based on the Pott-Broche process. Two versions of the process became known as Gulf SRC I and Gulf SRC II. The purpose is to produce a fuel of low sulfur content. Crushed coal is suspended in a mixture of cresol and tetrahydronaphthalene and hydrogenated under pressure with no added catalyst. The process is actually catalyzed by the finely divided iron pyrites naturally present in the coal. The undissolved residue is filtered off under pressure
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