Related by context. Frequent words. (Click for all words.) 56 Synthesis Energy 48 gasification 45 syngas 43 Nexterra 43 biomass gasification 42 ZeaChem 42 biomass 41 coal liquefaction 41 microturbine 40 Gasification 40 coal gasification 40 Enerkem 40 selective catalytic reduction 40 gasifier 40 combustion 40 U GAS 39 petroleum coke 39 cellulosic biomass 38 cogeneration plant 38 feedstock 37 pulverized coal 37 waste incineration 37 Tenaska 37 biogas 36 biomass fuels 36 natural gas 36 combustion turbine 36 coke oven 36 liquid fuels 36 coal 36 methane 36 microturbines 36 desulfurization 36 integrated gasification 35 QuestAir 35 coal gasification plant 35 feedstocks 35 cogeneration 35 biobutanol 35 petrochemical 35 WTE 34 pollution 34 digester 34 anaerobic digesters 34 waste incinerator 33 underground coal gasification 33 environmentally sound 33 biomethane 33 methanol 33 desulphurization 33 membrane filtration 33 Fischer Tropsch 33 NOx reduction 33 agricultural residues 33 environmental 33 biorefinery 33 wastewater treatment 33 pyrolysis 32 bioenergy 32 carbon capture 32 lignite coal 32 waste disposal 32 coal fired 32 woody biomass 32 anaerobic digestion 32 anaerobic digester 32 MMgy 32 renewable energy 32 environment 32 SOFC 32 hydrometallurgical 32 cellulosic 32 combustor 32 liquefied natural gas 31 flue gas 31 chlor alkali 31 Biogas 31 biodiesel 31 IGCC 31 biogas plants 31 incinerator 31 biomass boiler 31 environmentally benign 30 environmental impacts 30 acrylic acid 30 technologies 30 hydropower 30 environmentally friendly 30 incinerators 30 bio diesel 30 wood pellet 30 boilers 29 environmentally 29 biofuel 29 incineration 29 steam turbine 29 Biomass 29 aluminum smelting 29 olefins 29 supercritical 29 carbon sequestration