Exploring the environmental properties and resource utilization of construction waste in Beijing-Tianjin-Hebei region

被引：3

作者：

Hu, Shuxin ^{[1
,2
]}

Ren, Fumin ^{[1
,2
]}

Jia, Jinming ^{[2
]}

Cui, Can ^{[2
]}

Guo, Changhong ^{[3
]}

Cui, Nana ^{[2
]}

Ma, Li ^{[3
]}

Si, Han ^{[3
]}

Lu, Tong ^{[2
]}

Liu, Guotao ^{[2
]}

Zhang, Boyu ^{[2
]}

Liu, Junshi ^{[2
]}

机构：

[1] Beijing JiaoTong Univ, Beijing Key Lab Aqueous Typ Pollutants Control &, Beijing 100044, Peoples R China

[2] Beijing JiaoTong Univ, Sch Civil Engn, Beijing 100044, Peoples R China

[3] Xuchang Ecol & Environm Monitoring Ctr Henan, Xuchang 461000, Henan, Peoples R China

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2022年

关键词：

Beijing-Tianjin-Hebei region; Construction waste; Environmental properties; Resource utilization; Sustainable development; MANAGEMENT; MERCURY; MODEL;

D O I：

10.1007/s11356-022-23327-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Beijing-Tianjin-Hebei region is a capital economic circle for the future. Promoting the coordinated development of its population, economy, resources and environment is a major national strategy. And as towns and cities continue to expand, the volume of construction waste is gradually expanding, posing a major challenge to the sustainable development of the construction industry. In order to solve this problem, this paper used portable X-ray fluorescence spectrometry to realize the on-site rapid monitoring of heavy metals in construction waste, and the correlation analysis result was R-2 = 0.9908. The visualization of enrichment factor evaluation results was realized through ArcGIS. The Beijing-Tianjin-Hebei region is mainly polluted by heavy metal elements Cr, Zn, Pb and Hg, showing regional pollution characteristics, and the results of mercury morphology analysis show that all are inorganic mercury pollution, and methylmercury is not detected, and the cause can be traced to heavy industrial production in Tangshan City, which is consistent with industrial ecology. The results of leaching toxicity and cation anion analysis showed that the construction waste in Beijing-Tianjin-Hebei region had environmental risks to the surrounding surface water and groundwater. The resource treatment and disposal path were determined by means of XRD, ternary phase diagram and oxide composition analysis to avoid secondary pollution. This study explores the environmental properties and resource utilization pathways of construction waste in the Beijing-Tianjin-Hebei region, laying the foundation for research work on construction waste in the development of national urban agglomerations, effectively solving regional environmental pollution problems and promoting the sustainable development of the construction industry.

引用

页数：18

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