Sustainable industrial process design for derived CO2 adsorbent from municipal solid wastes: Scale-up, techno-economic and parametric assessment

IF 8.6 2区 工程技术 Q1 ENERGY & FUELS
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Abstract

Climate change and carbon emissions attributed to anthropogenic activities is getting alarming dimensions. On the other hand, the overwhelming progress of industrialization and urbanization contributed to an explosion in the municipal solid waste (MSW), as one of the other global challenges. However, developing a cost-effective adsorbent with appealing textural properties for CO2 capture is still one of the main challenges. Lately, carbon-based solid waste materials of biogenic origin have received a major interest to this end, owing to the renewability, availability and low-cost. Routinely, academic research mainly focuses on lab-scale development of activated carbons derived from waste materials. However, there is a significant gap concerning the industrial production of activated carbon from such materials. Accordingly, in this work, an industrial plant has been designed for producing activated carbon derived from digestate of MSWs in the industrial scale by presenting all scale-up details, engineering assumptions and process specifications. The results indicated that the plant has a potential to process 90,273 ton MSW annually, which consumes 1367.8 MWh net electricity and 20,134.4 GJ net heat, also produces 4788.10 ton CO2 adsorbent, per year. The economic assessment specified that the plant capital cost is around $14.112 million with the net price of 0.61 $/kg for produced activated carbon. Further, the sensitivity analysis and parametric study determined that the sample level in the drum is the determinative parameter on the energy consumption and net price of adsorbent. Finally, Response Surface Methodology was employed to maximize the plant profitability concerning the designing factors.

Abstract Image

从城市固体废物中提取二氧化碳吸附剂的可持续工业流程设计:规模扩大、技术经济和参数评估
人类活动造成的气候变化和碳排放正变得越来越令人担忧。另一方面,工业化和城市化的巨大进步导致城市固体废物(MSW)激增,这也是其他全球性挑战之一。然而,为二氧化碳捕集开发一种具有成本效益且具有吸引人的质地特性的吸附剂仍是主要挑战之一。最近,源于生物的碳基固体废物材料因其可再生性、可获得性和低成本而受到了广泛关注。通常,学术研究主要集中在实验室规模的废料活性碳开发上。然而,从此类材料中提取活性炭的工业化生产还存在很大差距。因此,在这项工作中,我们设计了一种工业设备,通过介绍所有的放大细节、工程假设和工艺规格,在工业规模下生产从都市固体废物沼渣中提取的活性炭。结果表明,该工厂每年可处理 90 273 吨 MSW,净耗电量为 1367.8 兆瓦时,净耗热量为 20134.4 千兆焦耳,每年还可生产 4788.10 吨二氧化碳吸附剂。经济评估表明,工厂资本成本约为 1 411.2 万美元,生产的活性炭净价格为 0.61 美元/千克。此外,敏感性分析和参数研究确定,转鼓中的样品水平是能耗和吸附剂净价格的决定性参数。最后,采用了响应面方法,以最大限度地提高工厂在设计因素方面的盈利能力。
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来源期刊
Sustainable Materials and Technologies
Sustainable Materials and Technologies Energy-Renewable Energy, Sustainability and the Environment
CiteScore
13.40
自引率
4.20%
发文量
158
审稿时长
45 days
期刊介绍: Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.
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