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|Title: ||Carbon dioxide emission reduction by increased utilization of waste-derived fuels in the cement industry|
|Authors: ||Tokheim, Lars-André|
|Issue Date: ||2007 |
|Abstract: ||Considerable reductions in Norway's emissions of greenhouse gases like CO2 are required to
meet the commitments of the Kyoto Protocol. CO2 emissions from cement clinker production
originate from decarbonation of limestone as well as fuel combustion, and the cement plants
in Norway have to comply with requirements given by the pollution control authorities via the
national emissions trading system.
There are several ways of reducing CO2 emissions from the cement industry. Utilizing CO2-
neutral waste fuels as a replacement for fossil fuels is an attractive means of reducing the net
CO2 emissions. Using modern kiln technology is another important measure facilitating lower
The Norcem plant in Brevik carried out an extensive modernization project in 2004-5, and as
a result of this the plant in Brevik currently uses close to 100,000 tons of CO2-neutral wastefuels
every year. The outcome of this is a reduction in fuel-generated CO2 emissions of about
25 % from 1995 to 2005.
Reduction of CO2 emissions by secondary methods such as post-combustion measures using
amine absorption for the capture of CO2 in the exhaust gas from the cement plant is
technically feasible, but expensive and risky.|
|Document type: ||Conference paper|
|Appears in Collections:||Institutt for prosess-, energi- og miljøteknologi|
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