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The Industrial Ecology Concept for Municipal Solid WasteManagement A review of waste management in Bandung City,Indonesia

ABSTRACT 
The concept of industrial-ecology in waste 
management re-utilize the potential of 
waste materials and energy in the waste flow 
of waste in the waste management system itself. 
Potential energy and 
materials are utilized to reduce the problems that 
arise in a conventional solid waste management by 
waste retreatment using waste 
management facilities and change the waste into 
energy. Using the concept, the results of the 
research show that based on 2009’s data of waste 
from Bandung, the dumped waste 
in the source was originally 18% of total waste, 
now decreased to 6%; previously burned waste of 
12% from the total waste decreased to 7%; while 
composted waste increased from only 4% to 
21%. The industrial-ecology concept in waste 
management has also potential to produce energy. 
The results of the research show that the net 
energy from the waste management using 
industrial-ecology scenario is 370,852 GJ. It is 
a potential in producing electrical energy 
equivalent to 103,097 MWh. The change of 
managed waste volume is also beneficial to 
the environment. Using the scenario, the global 
warming potential (GWP) is 
reduced 77% from originally 996,359,307 Kg 
CO2Eq to 229,824,066 Kg CO2Eq. 
Keywords: global warming potential, industrialecology, 
net energy, re-utilize