Title:
Environmental and Economic Potential of Rice Husk Use in Angiang Province, Vietnam
Author(s):
Pham Thi Mai, T., Kurisu, K.H., Hanaki, K.
Document(s):
Paper
Abstract:
To evaluate CO2 emission mitigation potential and cost effectiveness of rice husk utilization, Life Cycle Cost Analysis was conducted for 9 scenarios developed in our study. The results reveal that ceasing open burning alone has a large CO2 mitigation potential. The use of briquettes, even though CO2 is emitted during the production stage, can still contribute to CO2 emission mitigation than rice husk burning or dumping. In the power generation scenarios, gasification is the most efficient CO2 mitigator. Both the replacement of grid electricity by generated electricity, and the replacement of diesel oil by pyrolyzed oil show larger CO2 mitigation potentials than open burning cessation alone. From cost analysis, the cost mitigation can be achieved by replacing the current fossil fuels in cooking scenarios. Among the power generation scenarios, it was found that 30 MW combustion and 5 MW gasification power generations were the most economically-efficient scenarios. The briquette combustion power generation appeared less cost-competitive than direct combustion, whilst the large-scale gasification scenarios and the pyrolysis scenarios give the increase in cost from the baseline. From the viewpoints of both CO2 and cost, it was indicated that the win-win scenarios can be the rice husk use for cooking, for large-scale combustion power generation, and for small-scale gasification.
Keywords:
combustion, gasification, life cycle assessment (LCA), pyrolysis, cooking
Topic:
Biomass resources
Subtopic:
Biomass resources from agricultural land
Event:
18th European Biomass Conference and Exhibition
Session:
OC4.2
Pages:
122 - 134
ISBN-13:
978-88-89407-56-1
ISBN-10:
88-89407-56-5
Paper DOI:
10.5071/18thEUBCE2010-OC4.2
Price:
FREE
