Microplastics
Differential scanning calorimetry
Effluent
Polypropylene
Sewage treatment
Polyethylene terephthalate
Polyethylene
Wastewater
Activated sludge
Secondary treatment
Polystyrene
Materials science
Chemistry
Pulp and paper industry
Environmental chemistry
Environmental engineering
Environmental science
Polymer
Composite material
Physics
Engineering
Thermodynamics
