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Investigation of the physical and chemical characteristics of rural solid waste in China and its spatiotemporal distributions

机译：中国农村固体废物物理和化学特征及其时空分布研究

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摘要

Despite governmental efforts toward the development of policies, funds, and technologies, the inherent characteristics of rural solid waste (RSW) discharge have led to great difficulties in RSW pollution control. However, establishing a realistic management strategy requires greater knowledge of RSW generation. Therefore, the RSW of 72 typical towns and villages from 12 provinces of China was analyzed for physicochemical characteristics, as well as its spatiotemporal distribution. The largest proportion of kitchen waste, coal ash, plastic, and paper of RSW was 33.70% +/- 17.87%, 26.50% +/- 17.61%, 13.48% +/- 5.68%, and 10.75% +/- 5.75%, respectively, in 2015. Although RSW had the potential for composting, it was still necessary to pay special attention to heavy metals pollution of RSW. The spatiotemporal distributions of RSW components were extremely non-homogenous, and significant variations existed in the kitchen residue, coal ash, plastic, and paper because of differences in economic growth, climatic changes, dietary habits, energy consumption structure, and consumer preferences. No obvious differences in RSW components were observed between villages and market towns. Overall, RSW treatment and management approaches should be considered based on local conditions of RSW generation.
机译：尽管政府努力发展政策，资金和技术，但农村固体废物（RSW）排放的固有特征导致了RSW污染控制的巨大困难。然而，建立一个现实的管理战略需要更大了解RSW代。因此，分析了来自中国12个省份的72个典型城镇和村庄的范围，以进行物理化学特征，以及其时尚分布。厨房废物，煤灰，塑料和纸张的最大比例为33.70％+/- 17.87％，26.50％+/- 17.61％，13.48％+/- 5.68％，10.75％+/- 5.75％，分别于2015年。虽然RSW有堆肥潜力，但仍有必要特别注意RSW的重金属污染。 RSW组分的时空分布是极其不均匀的，厨房残留物，煤灰，塑料和纸张中存在显着变化，因为经济增长，气候变化，饮食习惯，能源消耗结构和消费者偏好。在村庄和市场城镇之间观察到RSW组件的明显差异。总体而言，应基于RSW生成的当地条件来考虑RSW治疗和管理方法。

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