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Digestive system

机译：消化系统

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In the crusade to create a circular economy, where what we make is given fresh life in a cycle of regeneration and restoration, tackling food waste is a key priority. The UK produces 10 million tonnes of it each year, with households responsible for three-quarters of that - and much is still being tipped into landfill to rot away beneath the surface. Last December, the government published its long-heralded resources and waste strategy for England, meant to kick-start recycling rates which, having risen from 11 per cent in 2001 to 43 per cent a decade later, have now plateaued. The aim is to ensure 'every householder and appropriate businesses have a weekly separate food-waste collection', Defra says. How is that going to be achieved? At present, many local councils pick up green waste once a fortnight, with garden refuse, like fallen leaves and grass cuttings, and food waste - such as uneaten meals scraped off plates and out-of-date fruit and veg - collected together in the same bin. The combined waste is taken to recycling centres for conversion into compost. But a growing number of authorities are looking at the benefits of separating food from other green waste. Food waste, treated separately, can be transformed not only into fertiliser, but also into biogas that can be used as fuel. Spearheading this transformation are companies like Biogen, which operates more than a dozen anaerobic digestion plants nationwide. The food breaks down into sludge, carbon dioxide and methane.
机译：在十字军制造循环经济中，在我们所做的循环中，在再生和恢复的循环中给予新鲜生活，解决食物垃圾是一个关键优先事项。英国每年生产1000万吨，家庭负责四分之三的家庭 - 并且仍然被倾向于垃圾填埋场，以便在表面下方腐烂。去年12月，政府公布了其长期预订的资源和英国废物策略，意味着开始回收利率，这是从2001年的11％上升到了十年后的43％，现在有稳定。 DECRA说，目的是确保“每个家庭住户和适当的企业都有一个每周单独的食物废物收藏品”。那是如何实现的？目前，许多当地议会曾经过夜拿起绿色垃圾，花园垃圾，如堕落的叶子和草扦插，以及食物垃圾 - 如未吃的饭菜刮掉板块和过时的水果和蔬菜 - 一起收集同样的垃圾箱。合并的废物被用于回收中心以转化为堆肥。但越来越多的当局正在寻求将食物与其他绿色垃圾分离的好处。食物垃圾分别处理，不仅可以转化为肥料，还可以转化为可用作燃料的沼气。 Spearheading这种转变是BioGen等公司，它在全国范围内运作了十几个Anaerobic消化植物。食物分解成污泥，二氧化碳和甲烷。

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    《Wastes Management》 |2019年第3期|64-67|共4页
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    Chris Elliott;

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