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Table 3 Plantation economics: including land feedstock productivity, land needed to meet the capacity of a commercial-scale biorefinery, and additional revenue of selling surplus feedstock

From: Bridging the gap between feedstock growers and users: the study of a coppice poplar-based biorefinery

Site Hybrid Plantation economics Biorefinery economics
Land feedstock productivity Land neededa Additional revenuec Ethanol conversion yield Annual ethanol production Annual ethanol revenue
(tonne/acre/year) (MM acre/year)b ($MM/year) (liter/tonne) (MM liter/year) ($MM/year)
Jefferson Low-productivity 2.78 0.25 214 150 63
High-productivity 3.75 0.19 3.46 179 125 53
Clarksburg Low-productivity 1.59 0.44 223 156 66
High-productivity 1.78 0.39 2.53 205 143 60
  1. Biorefinery economics: including conversion efficiency, annual ethanol production, and annual ethanol revenue using different poplar hybrids from two sites
  2. aLand area required to meet the biorefinery with feedstock capacity of 700,000 dry tonne/year
  3. bMM stands for one million
  4. cFeedstock grower additional revenue calculated based on selling surplus feedstock at the price of $53/tonne [19]