Co-firing biomass with coal in CFB boilers, 2008 Engineering, Pulping and Environmental Conference

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CO₂ reduction has become a key objective around the world and the power industry has a big challenge to meet the reduction targets. This objective is even tougher where a large portion of generated power is already based on coal like in US power industry. All the large technology companies are continuing their long-term actions for CO₂ capture or reduction technologies, but there are still many challenges to be solved before these technologies are commercially available.

One approach to the same topic is to burn fuels, which net CO₂ emission is zero, like biomass. Biomass introduces new technical challenges however, including bed agglomeration and high temperature corrosion. One way to manage this effectively is to gasify the most challenging fuels and burn the easier ones in fluidized bed boilers. Burning the biomass together with coal makes the chemistry much easier to handle.