Related by context. Frequent words. (Click for all words.) 61 brackish groundwater 59 desalting 56 desalinated 54 de ionized 54 ultrapure 53 algal biomass 53 reverse osmosis desalination 53 diatomite 53 bacterial fermentation 53 nitrate concentrations 52 ammonia borane 52 sodium sulfate 52 hypochlorite 52 chlorine residual 52 seawater 52 acetonitrile 51 wastewaters 51 algae biomass 51 swine manure 51 ultrapure water 51 landfill leachate 51 acidify 51 deionized water 50 fucoidan 50 inorganic arsenic 50 biodegraded 50 potassium sulphate 50 desalinated water 50 inflowing 50 1ml 50 Reverse osmosis 50 reverse osmosis membranes 50 iodide 50 calcium oxide 50 sodium borohydride 50 nitrogenous 49 inorganic mercury 49 Sulphuric acid 49 purified 49 groundwater basin 49 seawater desalination 49 residual chlorine 49 filtrate 49 bile acid 49 Kuan Yin Taiwan 49 groundwater recharge 49 nitrification 49 desalinate 49 calcium hydroxide 49 acidified 48 microfiltration 48 Leachate 48 centrifuged 48 wastewater effluent 48 calcined 48 biodegrading 48 Sulfuric acid 48 mineral salts 48 Caustic soda 48 groundwater aquifers 48 shallow aquifer 48 pentane 48 bioavailable 48 alkali 48 nanofiltration 48 Xylene 48 methyl esters 47 saponins 47 methane CH4 47 betaine 47 extractable 47 gas chromatograph 47 Technetium 47 solutes 47 water 47 E. Coli bacteria 47 dialysate 47 absorbs carbon dioxide 47 ammonium sulfate 47 Domoic acid 47 oxidise 47 evaporation ponds 47 brine 47 ethyl acetate 47 salinization 47 isotope ratios 47 microbial fermentation 47 DBPs 47 supernatant 47 arsenic concentrations 47 wellfields 47 ° API 47 granulate 47 naturally occurring mineral 46 recharge groundwater 46 adsorbent 46 triclocarban 46 fracturing fluids 46 groundwater basins 46 inoculants 46 fecal coliforms