Journal
BIORESOURCE TECHNOLOGY
Volume 142, Issue -, Pages 701-705Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.05.029
Keywords
Hyper-cross-linked polymeric resin; Bioregeneration; Phenol; Concentration-gradient; Driving diffusion
Funding
- NSF of Jiangsu Province, China [2012017]
- Program for New Century Excellent Talents in University of China [NCET-10-0490]
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In this study, the preliminary feasibility of bio-regeneration of a hyper-cross-linked polymeric resin NDA-802 preloaded with phenol was investigated. As compared to the abiotic experiments, phenol preloaded with NDA-802 could be effectively desorbed and biodegraded, and the bioregenerated NDA-802 could be employed for multiple use. The concentration gradient hypothesis could interpret such bioregeneration process reasonably. A slight drop in adsorption capacity of NDA-802 after bioregeneration possibly resulted from the mesopore blockage by microbial metabolic by-products. In general, bioregeneration could serve as a potential choice for the exhausted hyper-cross-linked polymeric resin in wastewater treatment. (C) 2013 Elsevier Ltd. All rights reserved.
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