Promoting industrial symbiosis and circularisation by optimising waste-based briquette shelf life

Discover Energy Pub Date : 2023-10-30 DOI:10.1007/s43937-023-00020-6

Rejoice Ntiriwaa Ossei-Bremang, Eunice Akyereko Adjei, Francis Kemausuor, Eric Kwesi Gyenin

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Abstract

Abstract The fusion of the circular economy and industrial symbiosis has several advantages from an economic and developmental standpoint. Cooking energy security issues in Africa can partly be solved by the utilization of waste resources in energy technology decisions such as briquette. However, one of the limitations associated with waste-based briquettes has been identified as a reduction in efficiency when stored for a long period of time under varied storage conditions. The aim of this study was to ascertain the effects of storage time and exposure on the calorific value and mechanical characteristics of a waste-based composite briquette made from oil palm shell and decanter cake after 180 days of storage. The calorific value decreased by 12.99% and 31.40%, respectively, for sealed packaged storage and open-air storage. On the 180th day of the experiment, the packaged storage and the open-air storage registered 1000.48 kg/m 3 and 870 kg/m 3 , 72.34% and 100%, 712% and 895%, and 118% and 143% for relaxed densities, shatter indices, resistance to impact, and hygroscopic properties respectively. Manufacturers within West Africa can adopt the findings in this study as a guide for their processes.

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通过优化基于废物的型煤保质期，促进工业共生和循环

从经济和发展的角度来看，循环经济与产业共生的融合具有多方面的优势。非洲的烹饪能源安全问题可以部分地通过在能源技术决策中利用废物资源来解决，例如煤型。然而，与以废物为基础的型煤有关的一个限制已被确定为在不同的储存条件下长时间储存时效率降低。本研究的目的是确定储存时间和暴露对储存180天后由油棕壳和酒饼制成的基于废物的复合型煤的热值和力学特性的影响。密封包装贮藏和露天贮藏的发热量分别降低12.99%和31.40%。试验第180天，包装贮藏和露天贮藏的松驰密度、破碎指数、抗冲击性能和吸湿性能分别为1000.48 kg/m 3和870 kg/m 3，分别为72.34%和100%、712%和895%、118%和143%。西非的制造商可以采用本研究的结果作为其工艺的指导。

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Discover Energy energy-

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24 days

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