Speciation of oxygenated compounds in direct coal liquefaction naphthas is essential
considering their important roles in coal conversion reactions. This study attempts to …

Today, new energy sources alternative to fossil fuels are needed to meet the increasing
energy demand. It is becoming increasingly important to constitute new energy sources from …

Abstract Two Chinese coals, Shengli lignite and Shenmu–Fugu subbituminous coal, were
subjected to non-catalytic hydroconversion (NCHC) and catalytic hydroconversion (CHC) in …

This study examines the effects of various process parameters regarding separately and co-
liquefaction in a nitrogen gas medium under catalytic and non-catalytic conditions of …

The objective of this study is to determine the lignite use for Turkey's energy necessity.
Lignite is the most important energy resource of Turkey when compared with others …

The influence of a group of metal oxide, hydroxide and chloride catalysts on the yields of
liquefied products has been identified. The results of hydrogenation experiments performed …

In this study, Elbistan lignite (EL) and manure were liquefied under catalytic conditions in an
inert atmosphere. Red mud, tetralin, and distilled water were used as a catalyst and solvent …

In this study, the effect of solvent type and the solvent/solid ratio on the liquefaction of Muğla-
Yatagan lignite (YL) combined with waste tire (WT) under catalytic conditions investigated …

Beypazari and Tunçbilek lignite were liquefied using two different catalyst methods—
physically mixing and impregnation. The liquefaction occurred under conditions of inert …