The following presentation discusses oxy-fuel combustion for the Pulp & Paper sector, specifically for the power and recovery boiler systems in a typical kraft mill. The primary objective is to produce a purified CO2 stream that is suitable for transportation and/or utilization to achieve net-zero or negative emissions. The presentation considers and discusses the pros and cons of oxy-fuel combustion in terms of boiler operation, flue gas treatment, and performance changes. Key observations on oxy-fuel combustion are discussed, including operation mode, effects of O2 concentration, and operating pressure, with a comparison to air-fired benchmarks with and without post-combustion amine capture. Major knowledge gaps are defined to deploy oxy-fuel combustion systems, including potential next steps using models and machine learning tools (TEA and LCA) being developed as part of the National CCUS Assessment Framework.
CCUS for the Pulp and Paper Industry Webinars – Session 4 Video 1.
This workshop presentation held November 2, 2022, is by Dr. Robert Symonds
Session 4 is on Oxyfuel combusion, oxy-firing lime kilns, and LCA and TEA for syngas and biohydrogen production
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