ฉันรักแปลWater hyacinth was able to significantly reduce the pollution load of textile, metallurgical, and pharmaceutical
wastewaters, with respect to the removal of BOD, DO, TSS, nitrate-nitrogen and cadmium, but was of little or no
value in the case of copper and iron. Reduction was highest in the pharmaceutical wastewater followed by the
metallurgical wastewater and lastly the textile wastewater