Anga Hackula , Xue Ning , Gillian Collins , Stephen A. Jackson , Niall D. O’Leary , Chen Deng , Richard O’Shea , Jerry D. Murphy , David M. Wall
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引用次数: 0
摘要
闭环系统使循环经济系统成为可能，并应用于食品和饮料行业，以加强去碳化。威士忌蒸馏副产品适合厌氧消化，因此有利于资源回收和循环利用。此外，从威士忌酒桶中提取的生物炭可用作厌氧消化过程中的碳质添加剂，以提高生物甲烷的产量。在本文中，废弃威士忌酒桶在 300 °C 下热解产生的生物炭可提高生物甲烷产量达 15%。动力学分析表明，生物炭可将生物甲烷的滞后时间缩短 42%。对这种厌氧消化-热解综合系统的质量和能量平衡进行了评估。经评估，整个系统的效率为所有输入能量的 68%（以一次能源为基础）；利用可再生能源发电可将效率提高到 71%。从废弃威士忌酒桶中提取生物炭可以为威士忌蒸馏厂提供脱碳途径，但可能会受到可用资源总量的限制。
Investigating the effects of whiskey-barrel derived biochar addition to anaerobic digestion at a distillery: A study on energy yield and system efficiency
Closed-loop systems enable circular economy systems and applications in the food and beverage sector to enhance decarbonisation. Whiskey distillation by-products are amenable to anaerobic digestion and thus facilitate resource recovery and circularity. Furthermore, biochar derived from whiskey barrels can be used as a carbonaceous additive within anaerobic digestion to enhance biomethane production. In this paper, biochar produced from the pyrolysis of discarded whiskey barrels at 300 °C, was shown to enhance biomethane production by up to 15 %. A kinetic analysis revealed that the biochar reduced the biomethane lag time by up to 42 %. The mass and energy balance of this integrated anaerobic digestion-pyrolysis system was evaluated. The overall system efficiency was assessed at 68 % of all input energy (expressed on a primary energy basis); utilisation of renewable electricity could increase this efficiency to 71 %. Biochar from discarded whiskey barrels can provide a decarbonisation pathway for whiskey distilleries but may be constrained by the total resource available.
期刊介绍：
Energy Conversion and Management: X is the open access extension of the reputable journal Energy Conversion and Management, serving as a platform for interdisciplinary research on a wide array of critical energy subjects. The journal is dedicated to publishing original contributions and in-depth technical review articles that present groundbreaking research on topics spanning energy generation, utilization, conversion, storage, transmission, conservation, management, and sustainability.
The scope of Energy Conversion and Management: X encompasses various forms of energy, including mechanical, thermal, nuclear, chemical, electromagnetic, magnetic, and electric energy. It addresses all known energy resources, highlighting both conventional sources like fossil fuels and nuclear power, as well as renewable resources such as solar, biomass, hydro, wind, geothermal, and ocean energy.
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