Studio Fieschi & soci, Via Cesare Lombroso 25, 10125 Torino, Italy.
Studio Fieschi & soci, Via Cesare Lombroso 25, 10125 Torino, Italy.
Waste Manag. 2018 Mar;73:14-25. doi: 10.1016/j.wasman.2017.11.036. Epub 2017 Dec 2.
It is estimated that in Europe 88-100 million tonnes of food waste are generated every year, with a Global Warming Potential (GWP) of around 227 MT of CO equivalents generated for their collection and disposal. A 12% of this waste is estimated to arise from food service within the hospitality sector, which includes quick service restaurants, casual and fine dining, contract catering (canteens, prisons, hospitals, schools etc.) as well as indoor and outdoor events and exhibitions. Given this considerable amount and that the mixed unsorted collection is often the only practicable way to handle such waste flows, the choice of tableware and cutlery can make a big difference in facilitating waste collection as well as in reducing the overall environmental impact of food waste management. This study compares the environmental performance of using biodegradable & compostable single use tableware with organic recycling of food waste through composting against a traditional scenario using fossil-based plastic tableware and disposal of the waste flows through incineration and landfill. The study has taken into account the main requirements of the recently published Product Environmental Footprint (PEF) methodology of the European Commission. The results confirm that the use of biodegradable and compostable tableware combined with organic recycling is the preferred option for catering in quick service restaurants, contract catering and events, since it reduces significantly the carbon, water and resource footprint and is fully in line with the principles of a circular economy.
据估计,欧洲每年产生的食物垃圾达 8800 万至 1 亿吨,其收集和处理过程产生的全球变暖潜势(GWP)约为 2270 万吨二氧化碳当量。其中 12%的垃圾来自酒店业的餐饮服务,包括快餐店、休闲餐厅和高档餐厅、合同餐饮(食堂、监狱、医院、学校等)以及室内和室外活动和展览。鉴于这一相当大的数量,而且混合未分类收集往往是处理此类废物流的唯一可行方法,餐具的选择对于促进废物收集以及减少食物废物管理的整体环境影响可以产生重大影响。本研究比较了使用可生物降解和可堆肥的一次性餐具进行生物回收与通过堆肥对食物垃圾进行有机回收的环境性能,与传统的使用基于化石的塑料餐具和通过焚烧和垃圾填埋处理废物流的方案进行了对比。该研究考虑了欧盟最近发布的产品环境足迹(PEF)方法的主要要求。研究结果证实,在快餐店、合同餐饮和活动中使用可生物降解和可堆肥餐具并结合有机回收是餐饮的首选方案,因为它显著减少了碳、水和资源足迹,完全符合循环经济的原则。