The mechanism and application progress of algae-bacteria symbiosis in treating heavy metal wastewater
This paper first introduces the algal-bacteria symbiosis mainly from the relationship between bacteria and algae.Then,the mechanism of treatment of heavy metal wastewater by algal-bacteria symbio-sis was described,mainly through the adsorption of heavy metal attached to the cell wall surface,and then transported heavy metal into the cell for biological enrichment,and the formation of complex between ex-tracellular polymer and heavy metal to remove heavy metal.Finally,the present situation of treatment of livestock and poultry wastewater,mine wastewater and textile wastewater by algal-bacteria symbiosis is re-viewed.The advantages and existing problems of the treatment of heavy metal wastewater by algal-bacteria symbiosis are summarized,and the development prospect is prospected.
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