In 1991, the Department of Energy initiated the Advanced Liquefaction Concepts Program to promote the development of new and emerging technology that has potential to reduce the cost of producing liquid fuels by direct coal liquefaction.Laboratory research performed by researchers at CAER,CONSOL,Sandia,and LDP Associates in Phase I is being developed further and tested at the bench scale at HTI.HTI Run ALC-1,conducted in the spring of 1996, was the first of four planned tests.In Run ALC-1,feed coal ash reduction (coal cleaning) by oil agglomeration,and recycle solvent quality improvement through dewaxing and hydro-treatment of the recycle distillate were evaluated.Improvements in liquefaction process performance will be compared to previous results from Wilsonville pilot plant and HTI bench scale runs.Implications of these results for liquefaction economics will be evaluated.
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