#30 What is the most simple and effective way to replace fossil fuels in the lime kiln?

An average lime kiln at a pulp mill will use up to 75 m3 of heavy oil to produce 450 t/d of burnt lime. This adds up to around 25,550 m3 of fossil fuel use per year. Some mills produce much more burnt lime, up to 1,000 t/d, which represents a significant cost in heavy oil use as well as adding to the mill’s CO2 emission penalties. It is now possible to completely replace fossil fuel burning in the lime kiln by using the LimeBio-Powder biofuel plant from ANDRITZ which powderizes various types of biomass. The powderized biomass is then fed into the lime kiln and is burnt in exactly the same way as heavy oil. The LimeBio-Powder biofuel plant can operate with various types of biomass including forest residues and pellets as well as waste wood and bark. Easy to install, and with a small footprint, the fully automated system can be integrated into a mill’s existing DCS’s or ANDRITZ automation and digitalization solutions. In this podcast we talk to ANDRITZ white liquor plant experts Jari Vuorela, Product Manager and Ville Seppänen Sales Manager about the simplicity of installation and operation, and the major cost and emission benefits of the LimeBio-Powder biofuel plant. To find out more, visit our website: andritz.com/biomass-powder-burning

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