In addition to other industrial processes, Exergen has developed a clean coal technology that, teamed with modern coal-fired power station technology, will deliver up to 40% emissions reductions. The technology is known as the continuous hydrothermal dewatering (CHTD) of lignite and high-moisture subbituminous coal. Research is under way to further refine the CHTD process and to develop other applications for the technology.

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