Wastewater
Chlorella vulgaris
Macrophyte
Lemna
Chemical oxygen demand
Organic matter
Effluent
Scenedesmus
Population
Sewage treatment
Pulp and paper industry
Bioremediation
Chemistry
Lemna minor
Aquatic plant
Biomass (ecology)
Environmental chemistry
Botany
Biology
Algae
Environmental engineering
Environmental science
Agronomy
Ecology
Contamination
Demography
Sociology
Engineering