5 years ago

Survey of Biomass Resource Assessments and Assessment ... - NREL

Survey of Biomass Resource Assessments and Assessment ... - NREL

in Chile in 2005. This

in Chile in 2005. This corresponds roughly to about 0.98 hm 3 of ethanol or 0.43 Mt gasoline equivalent. This volume could displace 21% of Chile’s current gasoline consumption and 4.2% of its crude oil imports. Crop residues have not been estimated; if included, the amount of ethanol that could be produced in Chile would be higher. Source: CNE/INFOR/GTZ 2007; RAE – Residues Available for Energy (m 3 /year) Figure 12. Distribution of Primary Mill Residues in the Region of Bio-Bio, Chile A study by the National Energy Commission (Comisión Nacional de Energía) and GTZ in January 2008 estimated forest biomass (harvest and pruning waste) in select regions, power generation potential, and cost of electricity. The study focused on residues generated at pine and eucalyptus plantations in the regions of O’Higgins, Bio-Bio, and Maule. It excludes residues from native forests due to their small contribution to the overall forest residue potential and lack of access in some areas. The project estimates the available tree plantation residues in 2004 and projects availability by 2017 for each region. The projections are based on 32 years of data collected for the project. The data was collected from the plantation owners and is complemented by analyses on the future availability of pine and eucalyptus carried out by the Chile Forestry Institute. The study uses a set of methods to assess biomass resources – statistical analysis, simulation modeling, and GIS. Figure 13 illustrates an example of the maps generated under this project. 37

Source: CNE/GTZ 2008 Figure 13. Plantation Forests in the Region of Bio-Bio, Chile The study concluded that residues generated at pine and eucalyptus plantations could support between 310 and 470 MW of power generation capacity (considering residue use of 50-75%, respectively), concentrated in the regions between Valparaiso and Aysen. No numbers for total volume of residues were presented. The paper only outlines the methodology used and gives an example of only one region. Thus, it was not possible to estimate the amount of ethanol that could be produced from these resources in Chile. The government is conducting a biomass resource assessment specifically for biofuels production, and will evaluate various feedstocks. The project began in April 2008 and will be completed by early 2009. The project will estimate crop and forest residues for ethanol production, as well as investigate feedstock other than oil crops for biodiesel production. 38

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