Effects of Ca2+ on biological nitrogen removal in reverse osmosis concentrate and adsorption treatment
Journal of Industrial and Engineering Chemistry(2018)
摘要
•Ca ions present in the ROC caused the negative effect on the biological treatment of nitrogen.•Aerobic granular sludge removed (adsorbed) Ca ions effectively.•XPS and TEM analysis confirmed the Ca ions adsorbed on surface very clearly.
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关键词
RO concentrate,Aerobic granular sludge,Nitrate,TDS,Calcium
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