Promoting degradation of 2,4-dichlorophenoxyacetic acid with fermentative effluents from hydrogen-producing reactor.
作者： Zhiman Yang , Xiaoshuang Shi , Meng Dai , Lin Wang , Xiaohui Xu
DOI: 10.1016/J.CHEMOSPHERE.2018.03.072
关键词: Fermentation 、 Propionate 、 Enrichment culture 、 Effluent 、 Bioremediation 、 Chemistry 、 Environmental chemistry 、 Clostridium 、 Dechloromonas 、 Environmental remediation
摘要: This research aims to identifying the potential effect of using a hydrogen-producing reactor's effluent as an enrichment amendment for enhancing degradation rates 2,4-dichlorophenoxyacetic acid (2,4-D) during bioremediation contaminated paddy soils. The results showed that addition effluents 2,4-D- degrading culture enhanced (up 1.3-fold) rate constant 2,4-D. enhancement most probably resulted from co-metabolic 2,4-D facilitated by volatile fatty acids (e.g., acetate, propionate, and butyrate) in which served beneficial substrates. Results DNA sequencing analysis additions shifted bacterial community composition culture. Dechloromonas Clostridium were two dominant genera involved degradation. findings will make substantial contribution remediation soils with
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