TY - JOUR
T1 - Strong promoting effect of H2O on coal liquefaction using water-soluble and oil-soluble Mo catalyst precursors
AU - Song, Chunshan
AU - Saini, Ajay K.
AU - McConnie, Jessel
N1 - Funding Information:
ACKNOWLEDGMENTS We are most gratefutl o Prof. Harold Schoberfto r his encouragemenstu,p port,a nd many helpful discussions.T his work was supportedp artiallyb y the U.S. Departmenotf Energy,P ittsburghE nergyT echnologyC enteru, nderc ontracNt o. DE-AC22-91PC91042.
PY - 1995/1/1
Y1 - 1995/1/1
N2 - This chapter reviews the unusual and strong promoting effect of water on low-severity catalytic liquefaction of Wyodak sub-bituminous coal. The primary drying effect on coal conversion at 350°C is due to water removal rather than physicochemical changes within coal structure caused by drying. Prompted by this observation, the effect of water on catalytic run finds that water can have strong promoting effect on catalytic coal liquefaction with a dispersed molybdenum (Mo) sulfide catalyst at 350°C. The chapter examines the water effect using dispersed Mo catalysts generated in situ from water-soluble precursor, ammonium tetrathiomolybdate (ATTM), and an oil-soluble precursor. It describes new opportunities for developing low-severity catalytic processes for coal liquefaction that uses dispersed Mo sulfide catalysts from either water-soluble or oil-soluble precursor; adding a proper amount of water dramatically improve coal conversion at temperatures lower than the conventional processes.
AB - This chapter reviews the unusual and strong promoting effect of water on low-severity catalytic liquefaction of Wyodak sub-bituminous coal. The primary drying effect on coal conversion at 350°C is due to water removal rather than physicochemical changes within coal structure caused by drying. Prompted by this observation, the effect of water on catalytic run finds that water can have strong promoting effect on catalytic coal liquefaction with a dispersed molybdenum (Mo) sulfide catalyst at 350°C. The chapter examines the water effect using dispersed Mo catalysts generated in situ from water-soluble precursor, ammonium tetrathiomolybdate (ATTM), and an oil-soluble precursor. It describes new opportunities for developing low-severity catalytic processes for coal liquefaction that uses dispersed Mo sulfide catalysts from either water-soluble or oil-soluble precursor; adding a proper amount of water dramatically improve coal conversion at temperatures lower than the conventional processes.
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U2 - 10.1016/S0167-9449(06)80064-9
DO - 10.1016/S0167-9449(06)80064-9
M3 - Article
AN - SCOPUS:0001104110
SN - 0167-9449
VL - 24
SP - 1391
EP - 1394
JO - Coal Science and Technology
JF - Coal Science and Technology
IS - C
ER -