A high-efficiency utilization of coke-oven plant coke ash for the preparation of coke ash emulsion slurry

Fan, Yaoyao; Wang, Ruiqi; Li, Xin; Xiang, Jin; Shao, Qi-Man; Meng, Shuang; Chen, Chuang; Yang, Qi; Liang, Peng; Sun, Hongjian

doi:10.1016/j.fuel.2019.02.068

Cited by 16 publications

(1 citation statement)

References 30 publications

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“…The primary function of coke ovens is to transform coal into coke through a pyrolysis process. However, this process not only extracts volatile constituents and augments the carbon content of the coal but also leads to emissions of particulate matter, sulfides, nitrogen oxides and volatile organic compounds, adversely affecting the air quality [1][2][3]. Given the goals of carbon peaking and carbon neutrality in China, the environmental pollution caused by traditional coke ovens is increasingly highlighted [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Simulation of the Service Environment and Selection of the Refractory Lining for a Heat Recovery Coke Oven

Zhou,

Zhang,

Wang

et al. 2024

Materials

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A heat recovery coke oven (HRCO) is one of important approaches to achieving a carbon peak and carbon neutrality in China. However, the steady operation of an HRCO is significantly influenced by the internal working conditions and the quality of lining refractories. In this work, a comprehensive study of the internal working conditions of an HRCO was carried out. The results suggest that the partition wall (PW) between the carbonization and combustion chambers is the most vulnerable area, with the corresponding traditional silica bricks inadequate for the service requirements. A reference based on a comparison of the average thermal stress and high-temperature compressive strength is offered for evaluating and selecting silica bricks for the PW. New optimized silica bricks within the reference are verified to be more applicable to the actual working conditions of an HRCO than the traditional silica bricks. As such, this work provides valuable guidance for the optimization and selection of silica bricks for the PW in an HRCO.

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