Related by context. Frequent words. (Click for all words.) 66 fluorocarbons 62 HFC #a 60 halon 58 ozone depleting 58 de ionized 55 Refrigerant 55 refrigerants 54 R#a 54 hypochlorite 54 sludges 54 Volatile organic compounds 54 halogenated 54 urea injection 53 dehumidifying 53 biomass combustion 53 reduce NOx emissions 53 DPFs 53 sulfur dioxides 53 harmless nitrogen 53 Glycol 53 SF6 53 latex paints 53 Trichloroethylene 53 hydraulic fluids 52 Capstone MicroTurbine 52 SCR catalyst 52 refrigerant 52 solvents 52 nitrogen oxide NOx emissions 52 carbon tetrachloride 52 coolants 52 PCBs polychlorinated biphenyls 52 electrochemically 52 nitrous oxides 52 flue gases 52 Kuan Yin Taiwan 52 phosphine 52 compound VOC 52 Nitrogen oxides 52 HCFC 52 cleaning solvents 52 ethyl acetate 52 Pyrolysis 52 nitrogen oxides NOx 52 deionized water 52 oxidizing agent 52 gasified 52 chlorofluorocarbons CFCs 52 Particulate Matter 52 Methyl bromide 52 Flame Retardant 52 ultrapure water 51 gasifiers 51 wastewater sludge 51 condensing boilers 51 electrolyzed water 51 flyash 51 toxic solvents 51 freon 51 particulate filters 51 CEAG explosion proof 51 organic solvents 51 colorless odorless tasteless 51 Supercritical 51 absorbs carbon dioxide 51 CFCs 51 CO ² 51 steam turbine generators 51 harmful contaminants 50 combustor 50 germicidal 50 nanofiltration 50 corrosives 50 elemental sulfur 50 chemically resistant 50 greenhouse gases GHG 50 chlorinated solvents 50 Leachate 50 vacuum furnace 50 efficiency particulate 50 aromatic hydrocarbons 50 autoclaving 50 Reverse osmosis 50 biodegraded 50 adsorbents 50 methylene chloride 50 oxidizers 50 methane CH4 50 polyamides 50 sulfuryl fluoride 50 lignocellulosic biomass 50 nitrification 50 pentane 50 potent greenhouse gas 50 hydroxyl radicals 50 reverse osmosis RO 50 sorbents 50 inorganic compounds 50 hydrated lime 50 gases 50 evaporative emissions