Related by context. Frequent words. (Click for all words.) 60 flue gas 57 desulphurisation 56 electrostatic precipitators 56 sludges 56 flue gases 56 desulphurization 55 thermal oxidizer 55 reduce NOx emissions 54 desulfurization 54 Glycol 54 feedwater 54 nitrogen oxide NOx emissions 54 deionized water 54 fluidized bed 54 FGD 53 hydrogen chloride 53 de ionized 52 Supercritical 52 condensers 52 fluorocarbons 52 combustion gases 52 granulate 51 halon 51 selective catalytic reduction 51 SF6 51 ethyl acetate 51 pentane 51 degassing 51 evaporative 51 delayed coking 50 #oC [001] 50 exhaust aftertreatment 50 SCR catalyst 50 NH3 50 leachate collection 50 thermo electric 50 gasifiers 50 sulfur dioxides 50 electrostatic precipitator 49 ultrapure water 49 oxy fuel 49 reclaimer 49 UV disinfection 49 Selective Catalytic Reduction SCR 49 sulfur dioxide nitrogen oxides 49 particulate matter emissions 49 oxyfuel 49 humidify 49 steam boilers 49 autoclaves 49 Condenser 49 combustor 49 scrubber 49 Chlorinated 48 recirculation 48 gasifying 48 electro static 48 HFC #a 48 urea injection 48 baghouse 48 miscible 48 methylene chloride 48 nitrogen oxide NOx 48 biomass combustion 48 nitrous oxides 48 Pyrolysis 48 evaporators 48 trichlorosilane 48 elemental sulfur 47 membrane bioreactor 47 ammonia 47 subcritical 47 Kuan Yin Taiwan 47 isopropanol 47 Reverse osmosis 47 steam turbine generators 47 Sulfuric acid 47 nitric 47 vinyl chloride monomer 47 biofilter 47 NOx 47 sulfur dioxide emission 47 swarf 47 Nitrogen oxides 47 superheated steam 47 Leachate 47 delayed coker 47 Volatile organic compounds 47 Xylene 47 Activated Carbon 47 benzene toluene 47 nitrogen NOx 47 cement kiln 47 spray nozzles 47 sulfur dioxide nitrogen oxide 47 dioxide 47 desalting 47 sulfur hexafluoride 47 phosphine 46 lubricating oils 46 clarifiers