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首页> 外文期刊>Built environment >Decentralized and User-Led Approaches to Rainwater Harvesting and Greywater Recycling: The Case of Sant Cugat del Valles, Barcelona, Spain
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Decentralized and User-Led Approaches to Rainwater Harvesting and Greywater Recycling: The Case of Sant Cugat del Valles, Barcelona, Spain

机译：分散和用户主导的雨水收集和灰水回收方法：以西班牙巴塞罗那Sant Cugat del Valles为例

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摘要

Harvested rainwater and recycled greywater are becoming new sources of water for urban areas. Together with demand-side management, their use can help to ease the pressure on conventional water resources. In the Metropolitan Area of Barcelona, several municipalities have passed directives regulating the installation of rainwater harvesting and greywater recycling systems in new buildings. Users (i.e. citizens) are responsible for the systems' management and performance, assuming the control and the burdens over these alternative water supplies. In this paper we focus on the case of Sant Cugat del Valles, a wealthy suburban municipality pioneer in the promotion of rainwater harvesting and greywater recycling in residential buildings. We provide a succinct description of the evolution of the trajectory of alternative water sources in this municipality since 2002. We also assess qualitatively the performance of rainwater harvesting and greywater recycling, pointing out both successes and pitfalls. The sources of information include interviews with environmental managers of the City Council; meetings and workshops with stakeholders; and visits to systems. This research suggests that political will at the local level as well as users' acceptance are essential for the correct operation and proliferation of these technologies. However, indirect factors such as droughts and water price hikes can make them more economically viable and socially desirable.
机译：收集的雨水和回收的灰水正在成为城市地区的新水源。与需求方管理一起使用，可以帮助减轻常规水资源的压力。在巴塞罗那的大都市区，一些城市通过了规范新建筑物中雨水收集和中水回用系统安装的指令。用户（即市民）应对系统的管理和性能负责，并承担这些替代供水的控制和负担。在本文中，我们重点研究Sant Cugat del Valles，这是一个富裕的郊区市政先驱，致力于促进住宅建筑中的雨水收集和中水回用。自2002年以来，我们对本市替代水源的发展轨迹进行了简要描述。我们还定性评估了雨水收集和中水回用的性能，指出了成功与陷阱。信息来源包括对市议会环境经理的采访；与利益相关者的会议和讲习班；并访问系统。这项研究表明，地方层面的政治意愿以及用户的接受对于这些技术的正确运行和扩散至关重要。但是，干旱和水价上涨等间接因素可能使它们在经济上更可行，更具有社会吸引力。

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