Related by context. Frequent words. (Click for all words.) 59 flowback 58 treated effluent 57 flue gases 55 carbonic acid 55 desalinated 55 activated sludge 55 oxygenated 55 superheated steam 55 drill cuttings 55 effluent 55 reactants 55 evaporation ponds 54 dewatered 54 seawater 54 brine 53 dissolved solids 53 purified 53 solids 53 alkali 53 dewatering 53 gravels 53 Effluent 53 leaching 52 brines 52 reinjection 52 aqueous solution 52 potassium hydroxide 52 effluents 51 denitrification 51 remove impurities 51 leach pads 51 total dissolved solids 51 degassing 51 mill tailings 51 sulphate 51 centrifugation 51 oxidised 51 exhaust gases 51 desorption 51 tailings 51 slurries 51 groundwater 51 membrane filtration 50 slurry 50 harmful contaminants 50 underground aquifers 50 Reverse Osmosis 50 clarifier 50 wastewater 50 oxidizer 50 brackish 50 saline 50 syngas 50 recirculation 49 anaerobic bacteria 49 chlorides 49 biogenic 49 pyritic 49 water 49 magnesium oxide 49 sorbent 49 heap leach pad 49 gaseous hydrogen 49 evaporative 49 aquifers 49 reverse osmosis 49 silver ions 49 aqueous 49 acidified 49 sediment 49 sulphates 49 clarifiers 49 sulphide ore 49 carbonate 49 brackish water 49 underground aquifer 49 dewater 49 heap leaching 49 potable 49 sediments 49 condensers 49 cyanidation 49 flue gas 48 iron oxides 48 combustor 48 flowsheet 48 sulfide 48 soluble 48 industrial effluents 48 aquifer 48 polluted groundwater 48 oxidized 48 entrained 48 salts 48 glacial till 48 analyte 48 anoxic 48 hydrolysis 48 leach 48 nutrient rich 48 #.degree [001]