Related by context. Frequent words. (Click for all words.) 59 kerogen 58 potent greenhouse gas 57 Pyrolysis 56 polymers plastics 56 gases 55 alkalis 55 inorganic compounds 55 methane ethane 55 Sulphuric acid 55 superheat 55 methane CH4 54 elemental sulfur 54 Nitrogen oxides 54 sugarcane bagasse 54 exothermic 54 gasified 54 pentane 54 benzene toluene 53 combustible gases 53 alkanes 53 phosphine 53 oxidiser 53 Heat wok 53 aromatic hydrocarbons 53 oxidise 53 Xylene 53 methyl esters 53 Volatile organic compounds 52 algal biomass 52 coproducts 52 ethyl acetate 52 Butadiene 52 absorbs carbon dioxide 52 reactants 52 Lignin 52 furan 52 lignocellulose 52 potassium hydroxide 52 Liquefied petroleum gas 52 superheated steam 52 Gradually stir 52 Supercritical 51 methane 51 electrochemically 51 ammonium sulphate 51 combustion gases 51 SF6 51 adipic acid 51 nitrogenous 51 ionised 51 gaseous emissions 51 sorption 51 sodium sulfate 51 de ionized 51 gasoline vapors 51 halogenated 51 formate 51 aromatic compounds 51 peroxides 50 unburned hydrocarbons 50 fluidized bed 50 Burning fossil fuels 50 Residues 50 lignocellulosic biomass 50 polymer resin 50 flue gases 50 xylenes 50 Glycol 50 calcium oxide 50 Anhydrous ammonia 50 pyrolysis 50 incomplete combustion 50 isobutane 50 hydrides 50 #oC [001] 50 Lactic acid 50 ethanol methanol 50 Acetylene 49 Sulfur dioxide 49 sulfur hexafluoride 49 polymerized 49 hydrocarbon liquids 49 sodium borohydride 49 dioxide 49 formic acid 49 Caustic soda 49 rice husks 49 decaying vegetation 49 polyurethane foams 49 cesium formate drilling 49 fluorocarbons 49 biogenic 49 biomass combustion 49 distillers dried grains 49 Sulfuric Acid 49 naturally occurring mineral 49 methyl ester 49 hydroxyl radicals 49 Fischer Tropsch process 49 ethylene propylene 49 remove impurities