H.R. Appell

Converting organic wastes to oil

H.R. Appell, Yujie Fu, S. Friedman et al. · 1972 · 95 citations

Chemical Engineering, Engineering, Bioenergy +5

Conversion of cellulosic wastes to oil

H.R. Appell, Yaling Fu, E.G. Illig et al. · NASA STI/Recon Technical Report N · 1975 · 38 citations

Cellulosic Wastes, Chemical Engineering, Biomass Conversion +7

The roles of vehicle and gaseous hydrogen during short contact time coal liquefaction

Bruce R. Utz, H.R. Appell, Bernard D. Blaustein · Fuel · 1986 · 18 citations

Liquefaction, Chemical Engineering, Clean Coal Technology +7

Coal liquefaction with synthesis gas

H.R. Appell, R.D. Miller, E.G. Illig et al. · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1979 · 14 citations

Liquefaction, Chemical Engineering, Engineering +10

The production of oil from wood waste

H.R. Appell · 1977 · 12 citations

Wood Waste, Engineering, Environmental Engineering +5