Research Progress on Removal of Typical Pollutants from Sewage by Compound Bacteria
The traditional water treatment methods may have many shortcomings with increasingly complex pollutants,while the compound bacteria are to combine the strains with different taxonomy and functions,and use the degradation ability of strains to various pollutants and the interactions between strains to achieve safe and efficient removal of pollutants.However,the current studies about the compound bacteria related to water treatment mainly focus on the treatment efficiency of different strain combinations,while the interactions between strains in the compound bacteria are not clear.This review focused on recent studies on the removal of typical pollutants in wastewater by compound bacteria.Starting from the importance of the compound bacteria in the process of water treatment,the acquisition methods of functional strains and the process of constructing com-pound bacteria were summarized.The research of compound bacteria in water treatment was reviewed from four aspects:nitro-gen and phosphorus removal,removal of the common organic matters in domestic sewage,the degradation of heavy metals and emerging contaminants.Based on the research types for the interactions between strains,the research progress of the interac-tions in compound bacteria was expounded.Finally,the shortcomings and prospects of the compound bacteria for water treat-ment were discussed from different perspectives,in order to improve the efficiency of compound bacteria in water treatment.
water treatmentbioremediationfunctional strainscompound bacteriastrain-strain interactions
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