During the last few decades coal chemistry and coal petrology have developed as special fields of research, of equal importance from both the scientific and practical viewpoints. Until the nineteen twenties coal chemists used to examine coal as a whole. However, after coal petrographers had. discovered tha…
A biorefinery is facility that integrates biomass conversion processes and equipment to produce fuels, power, and value-added chemicals from biomass. The biorefinery concept is analogous to today's crude oil refineries, which produce multiple fuels and products ftom petroleum. The goal in biorefining is to isolate all the added value from the biomas…