Chemical oxygen demand
Microbial consortium
Wastewater
Biochemical oxygen demand
Denitrification
Sewage treatment
Environmental chemistry
Aeration
Chemistry
Nitrification
Bacillus licheniformis
Bioaugmentation
Pulp and paper industry
Environmental engineering
Environmental science
Bacillus subtilis
Bioremediation
Microorganism
Biology
Nitrogen
Bacteria
Organic chemistry
Engineering
Genetics
