7 C C1, C2, C3, C4, C5 Fractions Calorific Value Camelina Canola Oil Capillary Forces Capillary Number Capillary Pressure Carbohydrates Carbonate Washing and Water Washing Carbonate Washing Process Carbon Cycle Carbon Dioxide Carbon Dioxide Balance Carbon Dioxide Gasification Carbon Dioxide Recovery Carbonization Carbon Monoxide Carbon Residue Carbon Sink Carbo-V Process Carbureted Blue Gas Carbureted Water Gas Catalysts Catalysts – Activity Catalyst – Deactivation Catalyst Fouling Catalysts – Hydrogen Production Catalysts – Methanation Catalyst Poisoning Catalyst Regeneration Catalysts – Selectivity and Conversion Catalyst Sintering Catalysts – Solid Acid Catalyst Stripping Catalytic Cracking Catalytic Cracking Chemistry Catalytic Cracking Processes Catalytic Cracking – Process Parameters Catalytic Gas Conversion Process Catalytic Gasification Catalytic Oxidation Processes Catalytic Reforming Catalytic Reforming - Catalysts Catalytic Reforming – Processes Catalytic Three-Phase Reactors Catalytic Transesterification Caustic Scrubbing Caustic Treating Cellulose Cellulosic Biomass Cellulosic Ethanol Cellulosic Materials Centrifugal Separation Cetane Index Cetane Number Char Charcoal and Charcoal Briquettes Chemical Composition of Biomass Chemical Precipitation Chemical Reaction Rates Chemicals Reactive with Water Chemical Treating Chemical Waste Chemicals from Biomass Chemisorption Chemistry in the Aquasphere Chemistry in the Atmosphere Chemistry in the Geosphere Chemsweet Process Chinese Tallow Tree Circulating Fluidized Bed Gasifier Claus Process Clay Minerals Clay Treating Process Climate Change Closed-Loop Biomass Coagulation Coarse Materials Co-Combustion