Area Estimation and Distribution Analysis of Subsurface Flow Constructed Wetlands at Regional Scale--Take Guangzhou City for Example

Yuan, Shanfeng; Tang, Guang Liang; Xiong, Haixian; Chen, J; Yin, Xiaoran; Huang, Gang

doi:10.1088/1742-6596/51/1/012025

Cited by 1 publication

(1 citation statement)

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“…The city of Guangzhou has a population of about 12.7 million inhabitants within the city's administrative area including districts and counties, of which 11.1 million people live in the city districts [57]. However, there is no biogas production at the moment.…”

Section: Research Context and Aimmentioning

confidence: 99%

Biogas Potential for Improved Sustainability in Guangzhou, China—A Study Focusing on Food Waste on Xiaoguwei Island

et al. 2019

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As a result of rapid development in China and the growth of megacities, large amounts of organic wastes are generated within relatively small areas. Part of these wastes can be used to produce biogas, not only to reduce waste-related problems, but also to provide renewable energy, recycle nutrients, and lower greenhouse gases and air polluting emissions. This article is focused on the conditions for biogas solutions in Guangzhou. It is based on a transdisciplinary project that integrates several approaches, for example, literature studies and lab analysis of food waste to estimate the food waste potential, interviews to learn about the socio-technical context and conditions, and life-cycle assessment to investigate the performance of different waste management scenarios involving biogas production. Xiaoguwei Island, with a population of about 250,000 people, was chosen as the area of study. The results show that there are significant food waste potentials on the island, and that all studied scenarios could contribute to a net reduction of greenhouse gas emissions. Several socio-technical barriers were identified, but it is expected that the forthcoming regulatory changes help to overcome some of them.

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Section: Research Context and Aimmentioning

confidence: 99%