资源科学 ›› 2020, Vol. 42 ›› Issue (2): 372-382.doi: 10.18402/resci.2020.02.15
栾晓玉, 刘巍, 崔兆杰(), 刘业业, 陈月冬, 卢盛, 王玉标
收稿日期:
2019-05-21
修回日期:
2019-12-09
出版日期:
2020-02-25
发布日期:
2020-04-25
通讯作者:
崔兆杰
作者简介:
栾晓玉,女,山东烟台人,硕士研究生,研究方向为清洁生产与循环经济。E-mail: huiyu35@sina.com
基金资助:
LUAN Xiaoyu, LIU Wei, CUI Zhaojie(), LIU Yeye, CHEN Yuedong, LU Sheng, WANG Yubiao
Received:
2019-05-21
Revised:
2019-12-09
Online:
2020-02-25
Published:
2020-04-25
Contact:
CUI Zhaojie
摘要:
随着塑料生产和消费的快速增长,塑料资源浪费和环境污染也日益严重,对塑料资源代谢过程的研究对节约资源和保护环境十分重要。本文基于物质流分析方法,构建了塑料物质流分析动态模型,研究了1949—2018年中国的塑料从生产、使用到最终废弃的生命周期代谢过程。结果显示:①1949—2018年,塑料累计消费2205.6 Mt,共产生废塑料1404.8 Mt,其中30.0%被回收再利用,14.0%被焚烧,36.0%进入填埋场,20.0%未经处理直接进入环境;②塑料的使用存量为630.0 Mt,损失存量为870.2 Mt,其中66.7%堆积在填埋场中,33.3%被随意丢弃在环境里;③2018年,消费量为193.1 Mt,塑料消费产生了废塑料140.5 Mt,废塑料后续处理中,回收占32.0%,焚烧占26.0%,填埋占35.4%,废弃占6.6%。研究表明:中国塑料的代谢规模庞大,一次性塑料产品对塑料代谢影响非常大;废塑料是资源损失的关键节点,应加强对其的回收利用;对于已经进入环境中废塑料的污染管控非常重。因此,今后的研究重点应在于环境中废塑料的风险和污染机理以及提高废塑料的回收利用效率,以减少塑料资源损失,降低环境污染。
栾晓玉, 刘巍, 崔兆杰, 刘业业, 陈月冬, 卢盛, 王玉标. 基于物质流分析的中国塑料资源代谢研究[J]. 资源科学, 2020, 42(2): 372-382.
LUAN Xiaoyu, LIU Wei, CUI Zhaojie, LIU Yeye, CHEN Yuedong, LU Sheng, WANG Yubiao. Plastic resources metabolism in China based on material flow analysis[J]. Resources Science, 2020, 42(2): 372-382.
表1
本文主要数据及其来源"
数据类型 | 数据来源 |
---|---|
塑料生产量、进出口量;塑料产品进出口量等 | 2001—2018年《中国统计年鉴》[ |
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废塑料回收率;生活垃圾焚烧量、填埋量;废塑料进出口量等 | 2001—2017年《中国塑料工业年鉴》[ |
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