Page 83 - Materials Chemistry, Second Edition
P. 83
64 Life Cycle Assessment of Wastewater Treatment
Agriculture Business Residental Landfills
Product transportation
Heat Electricity Biofuels Gas Nutrients Wastewater CO2
In-plant use Outputs
Sludge Gasification Incineration Pyrolysis Liquefaction Composting Lipid extraction
Sludge/ algae
Drying Sludge/algae Sludge/algae Homogenization
Heat/electricity Dewatering Algae Scum/algae
Sludge
Anaerobic digestion Centrate Algae-water seperation Electricity/ww/CO2
Sludge chickening Algae cultivation Waste stream reuse technology pathways.
Sludge Scum
Wastewater treatment
FIGURE 4.4
