Hydrothermal liquefaction
Chlorella sorokiniana
Biomass (ecology)
Flue gas
Photobioreactor
Pulp and paper industry
Environmental science
Liquefaction
Nitrogen
Greenhouse gas
Fossil fuel
Biofilter
Biofuel
Chemistry
Waste management
Environmental engineering
Algae
Botany
Agronomy
Chlorella
Biology
Ecology
Engineering
Organic chemistry