Effluent
Ecotoxicity
Kraft process
Aeration
Chemical oxygen demand
Chemistry
Pulp and paper industry
Kraft paper
Biochemical oxygen demand
Wastewater
Pulp (tooth)
Paper mill
Pulp mill
Lignin
Aerated lagoon
Environmental chemistry
Environmental engineering
Environmental science
Organic chemistry
Toxicity
Activated sludge
Pathology
Engineering
Medicine
