Development of an open-source carbon footprint calculator of the UK craft brewing value chain

Development of an open-source carbon footprint calculator of the UK craft brewing value chain
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开发英国精酿啤酒价值链的开源碳足迹计算器

DOI:
10.1016/j.jclepro.2023.140181
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发表时间:
2024
影响因子:
11.1
通讯作者:
Bowler A
Bowler A
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Bowler A

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由于资源有限、资金紧张以及缺乏充分了解其排放的技术知识,精酿啤酒厂在减少其价值链的碳足迹方面可能落后于大型酿酒公司。然而,通过提高他们对整个价值链影响的认识,精酿啤酒厂可以通过在啤酒厂之间创造竞争来吸引具有环保意识的消费者,从而加速该行业的脱碳。这项工作开发了一个免费的碳计算器(10.6084/m9.figshare.22758692),使用透明的开源数据,可用于基准测试和确定英国精酿啤酒厂的减排机会,并为未来全球酿造价值链的碳足迹分析提供参考点。手工酿造的碳足迹是根据收集的数据,在三种现实情况下(低、中、高碳足迹)对各种包装类型进行计算的,并解决了以前文献中报告的值之间的差异。总体而言,计算出的碳足迹介于每升啤酒205克(20升钢桶,低碳足迹情况)和1483克(一次性,0.33升玻璃瓶,高碳足迹情况)之间。确定了新的热点(包括麦芽汁煮沸,啤酒厂的包装过程,以及二级和三级包装的贡献)。范围3排放量的巨大贡献(占总碳足迹的57%至95%)进一步强调了向精酿啤酒厂提供更多知识的必要性。
Craft breweries may fall behind large brewing companies in reducing the carbon footprints of their value chains due to limited resources, financial constraints, and a lack of technical knowledge to fully understand their emissions. However, by increasing their awareness of the impact of their entire value chains, craft breweries can accelerate the decarbonisation of the industry by creating competition among breweries to appeal to environmentally conscious consumers. This work developed a freely available carbon calculator (10.6084/m9.figshare.22758692) using transparent, open-source data which may be used for benchmarking and identifying opportunities for emission reductions in UK craft breweries as well as providing a reference point for future carbon footprint analyses of global brewing value chains. The carbon footprint for craft brewing was calculated for a wide range of packaging types across three realistic scenarios (low, medium, and high carbon footprints) based on collected data and addresses the discrepancies between values reported in previous literature. Overall, the calculated carbon footprints ranged between 205 (20 L steel kegs, low carbon footprint scenario) and 1483 (single-use, 0.33 L glass bottles, high carbon footprint scenario) gCO2e per litre of beer. Novel hotspots (including wort boiling, the packaging process in a brewery, and the contribution of secondary and tertiary packaging) were identified. The overwhelming contribution of Scope 3 emissions (contributing between 57 and 95 % of the total carbon footprint) further emphasised the need to provide increased knowledge to craft breweries.
DOI: 10.1057/9781137466181_11
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发表时间: 2022
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