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Zeolite-templated carbons process with recycled materials and characterisation for energy storage applications
Process Safety and Environmental Protection ( IF 7.8 ) Pub Date : 2024-03-30 , DOI: 10.1016/j.psep.2024.03.105
Zehang Zhao , Yifan Zhang , Rashid M. Othman , Ying Liu , Longchun Zhong , Tao Wang , Wei-Ping Pan

Quantity and quality are the two most important challenges for applying zeolite-templated carbons (ZTCs) into the industry. To provide more information on the mass production in the large-scale facility, depreciation of the quasi-crystal graphite carbon, utilisation of recycled acetylene and zeolite, and online quick quality control for the production of ZTCs, three types of reactors were applied under similar experimental conditions to investigate the ZTC production rate and the generation of the quasi-crystal graphite carbon on the uppermost layer of ZTC. The best specific surface area and carbon yield efficiency from the generation of ZTC were obtained using a fluidised-bed reactor (FBR). The occurrence of the quasi-crystal graphite carbon also disappeared using a FBR. The fluidised-bed-particle kinetic model was also established to demonstrate the feasibility of accomplishing the yield of 0.5 kg per day in the pilot-scale FBR experiments. The utilisation of recycled acetylene could reach 85% and the recovered rate of zeolite was around 60%. An on-site standard operating procedure (SOP) for QA/QC was also proposed for ZTC preparation and characterisation, which prominently shortened the production time for the laboratory preparation of ZTC and achieved superior hydrogen storage and electrochemical capacity.

中文翻译:

使用回收材料的沸石模板碳工艺以及储能应用的表征

数量和质量是将沸石模板碳(ZTC)应用于行业的两个最重要的挑战。为了提供更多关于大规模装置的大规模生产、准晶石墨碳的折旧、回收乙炔和沸石的利用以及ZTC生产的在线快速质量控制的信息,在类似的条件下应用了三种类型的反应器。研究ZTC生产率和ZTC最上层准晶石墨碳生成的实验条件。使用流化床反应器 (FBR) 获得了 ZTC 生成的最佳比表面积和碳产率。使用FBR,准晶石墨碳的出现也消失了。还建立了流化床颗粒动力学模型,以证明在中试规模的 FBR 实验中实现每天 0.5 kg 产量的可行性。回收乙炔利用率可达85%,沸石回收率在60%左右。还提出了用于ZTC制备和表征的QA/QC现场标准操作程序(SOP),显着缩短了ZTC实验室制备的生产时间,并实现了优异的储氢和电化学容量。
更新日期:2024-03-30
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