Evaluation of a pretreatment method using cation exchange resin to enhance the sludge solubilization and disintegration for improving the efficiency of anaerobic digestion
作者： Xiaohu Dai , Xin Gai , Ning Ye , Fan Luo , Bin Dong
DOI: 10.1080/19443994.2014.965222
关键词: Polysaccharide 、 Dewatering 、 Extracellular polymeric substance 、 Anaerobic digestion 、 Ion-exchange resin 、 Chemistry 、 Chromatography 、 Particle size 、 Divalent 、 Dissolved organic carbon
摘要: AbstractCation exchange resin (CER) has been widely utilized as a method to extract extracellular polymeric substance. It was demonstrated in the author’s preliminary study that CER could also be used sludge pretreating enhance efficiency of subsequent anaerobic digestion. In this study, solubilization and disintegration during pretreatment were reported. Proteins, polysaccharides, fluorescent dissolved organic matter (DOM), molecular weight distribution DOM measured assess explain sludge. Particle-size scanning electron microscope determined evaluate Besides, it indicated dewatering settling ability deteriorated. particle size, monovalent divalent cation ratio revealed have significant correlations with dewaterability settleability conditioning process.
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