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AGRICULTURAL RESIDUES
(2)
answer(s).
Srl
Item
1
ID:
122748
Assessing the potentials of agricultural residues for energy: What the CDM experience of India tells us about their availability
/ Milhau, Antoine; Fallot, Abigail
Milhau, Antoine
Journal Article
0 Rating(s) & 0 Review(s)
Publication
2013.
Summary/Abstract
The potential of agricultural residues has been assessed worldwide and at different scales. Interpreting results so as to determine the possible role of this biomass feedstock in energy supplies, requires a clearer understanding of the conditions in which residues can effectively be mobilized for energy production. The experience of India with hundreds of projects where agricultural residues are transformed to heat and power partially sold to the grid, is analyzed and checked against the residue potentials that have been assessed in this country. We find that, in the absence of technological improvements in biomass conversion, the apparent success of Indian bioenergy projects is not sustainable in the long run due to rapid exhaustion effects on residue availability, coupled with the increasing costs that would be difficult to compensate by higher electricity tariffs. We also identify there is a serious agricultural issue which needs to be addressed in regard to degraded soils; this could lead to the reallocation of all primary residues, as well as part of secondary residues to soil and livestock needs. Such perspectives are considered within three contrasted scenario storylines.
Key Words
Clean Development Mechanism (CDM)
;
Biomass Potential Assessment
;
Agricultural Residues
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2
ID:
126494
Cellulosic ethanol production from agricultural residues in Nig
/ Iye, Edward; Bilsborrow, Paul
Iye, Edward
Journal Article
0 Rating(s) & 0 Review(s)
Publication
2013.
Summary/Abstract
Nigeria's Biofuels Policy introduced in 2007 mandates a 10% blend (E10) of bioethanol with gasoline. This study investigates the potential for the development of a cellulosic ethanol industry based on the availability of agricultural residues and models the number of commercial processing facilities that could be sited in the six Geo-political zones. The potential for cellulosic ethanol production from agricultural residues in Nigeria is 7556 km3 per annum exceeding the mandate of 10% renewable fuel required and providing the potential for 12 large- and 11 medium-scale processing facilities based on the use of a single feedstock. Cassava and yam peelings provided in excess of 80% of the process residues available with enough feedstock to supply 10 large-scale facilities with a fairly even distribution across the zones. Sorghum straw, millet straw and maize stalks represented 75% of the potential resource available from field residues with the potential to supply 2 large- and 7 medium-scale processing facilities, all of which would be located in the north of the country. When a multi-feedstock approach is used, this provides the potential for either 29 large- or 58 medium-scale facilities based on outputs of 250 and 125 km3 per annum respectively.
Key Words
Nigeria
;
Cellulosic Ethanol
;
Agricultural Residues
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