Advances in plants in aquaculture wastewater treatment
YANG Dan-jing1, JING Yuan-xiao2
1. Guangzhou Research Academy of Environmental Science, Guangzhou 510620, China; 2. College of Life Science, South China Normal University, Guangzhou 510631, China
Plants can assimilate,absorb and fix the organic matters,inorganic matters and heavy metals in the aquaculture wastewater,and thereby they can reduce the TP,TN,TSS,COD and BOD of the aquaculture wastewater.At the same time,plants can provide eligible conditions for the metabolism of microbes and other organisms as they can transmit oxygen in the waters via their prosperous aerenchyma and roots.The constructed wetland can purify aquaculture wastewater via the physical,chemical and biological actions of plants,microbes and matrixes.The application of plants in aquaculture wastewater treatment is the basis for the sustainable and ecological aquaculture.This paper summarized the progress in algae and higher plants in aquaculture wastewater treatment in recent years.
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