Lime kilns are an important unit operation in the kraft pulp mill, part of the recausticing cycle essential for making pulp. Oxy-firing is a potential retrofit for the lime kiln to produce a sequesterable CO2 stream without negative impact on the lime quality. We look at the effect of switching from air-firing to oxy-firing with recycle on combustion, heat transfer, and calcination. We summarize the relevant work done in Europe for the cement kiln and its implications for the lime kiln.
CCUS for the Pulp and Paper Industry Webinars – Session 4 Video 2.
This workshop presentation held November 2, 2022, is by Dr. Peter Gogolek
Session 4 is on Oxyfuel combusion, oxy-firing lime kilns, and LCA and TEA for syngas and biohydrogen production
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