Efficient energy systems with CO2 capture and storage from renewable biomass in pulp and paper mills

  • Mollersten K
  • Gao L
  • Yan J
 et al. 
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Abstract

This paper investigates the impact of combining CO2 capture and storage
with alternative systems for biomass-based combined heat and power
production (CHP) in Kraft pulp and paper mills. We compare heat,
power, and CO2 balances of systems with alternative configurations
of the CHP and CO2-capture systems. Because the captured CO2 comes
from renewable biomass, the studied systems yield negative CO2 emissions.
It is shown that pulp mills and integrated pulp and paper mills have
the potential to become net exporters of biomass-based electricity
while at the same time removing CO2 from the atmosphere on a net
basis. The study shows that that the overall best CO2 abatement is
achieved when CO2 capture is carried out within a biomass integrated
gasifier with combined cycle where the syngas undergoes a CO-shift
reaction. This configuration combines efficient energy conversion
with a high CO2 capture efficiency. Furthermore, cost curves are
constructed, which show how the cost of CO2 capture and storage in
pulp and paper mills depends on system configuration and the CO2
transportation distance. (C) 2004 Elsevier Ltd. All rights reserved.

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Authors

  • K Mollersten

  • L Gao

  • J Y Yan

  • M Obersteiner

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