Abstract

In order to achieve the low-carbon construction and operation in the water system of mountainous residential district, the key link of Greenhouse Gas (GHG) emission of water system in mountainous residential district was studied and GHG emission was analyzed and quantified. According to the key link of GHG emission, trying to transform the traditional mode of long distance transportation of the drainage system and the terminal sewage biological treatment to reduce the GHG emission, therefore, several low-carbon technologies in the mountainous residential district were put forward, including: the low-carbon technology of controlling water supply pressure to limiting flow, the technology of low-carbon and ecological treatment of reclaimed water and carbon sequestration technology, the ecological technology of controlling and reducing the source of rain water in the steep slope residential district and the technology of recycling use of the non-traditional water source to reduce GHG emission from water system in mountainous residential district. By quantification the reduction of GHG emission, the results shows that, the low-carbon construction and operation technologies of water system in mountainous residential district, achieved more than 30% reduction of GHG emission from water system in mountainous residential district.

Keywords:

Greenhouse gas, low-carbon, mountainous city, residential district, water system,

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Competing interests

The authors have no competing interests.

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