Chemical oxygen demand
Activated sludge
Chemistry
Wastewater
Biodegradation
Pulp and paper industry
Bioreactor
Biochemical oxygen demand
Aerobic digestion
Batch reactor
Hydraulic retention time
Oxygen
Sequencing batch reactor
Mixed liquor suspended solids
Sewage treatment
Retention time
Anaerobic exercise
Total organic carbon
Chromatography
Environmental chemistry
Environmental engineering
Environmental science
Organic chemistry
Catalysis
Engineering
Physiology
Biology
