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Table 6 Capital and additional chemical cost of preprocessing and wastewater treatment units

From: Removal of non-structural components from poplar whole-tree chips to enhance hydrolysis and fermentation performance

  Capital cost ($MM) Additional chemical cost ($MM/year) Description
Preprocessing unit $10.17 $1.90 Preprocessing unit includes tanks for preprocessing and belt transfer conveyors, where the preprocessed biomass may be additionally washed
Wastewater treatment unita $21.70 $3.00 Additional cost account for the increase of the wastewater treatment capacity and treatment chemicals
  1. Cost is updated to 2016 USD
  2. aCost increment due to wastewater treatment unit scale-up