ENVIRONMENTAL CONTAMINATION RISK ANALYSIS OF CONSTRUCTION WASTE AND ITS RECYCLED PRODUCTS IN SHANGQIU

CUI Can; REN Fumin; HU Shuxin; JIA Jinming; MA Li; SI Han; GUO Zhanghong; LU Tong; LIU Junshi; LIU Guotao; ZHANG Boyu

doi:10.13205/j.hjgc.202208027

Volume 40 Issue 8

Nov. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(8): 191-196,149

CUI Can, REN Fumin, HU Shuxin, JIA Jinming, MA Li, SI Han, GUO Zhanghong, LU Tong, LIU Junshi, LIU Guotao, ZHANG Boyu. ENVIRONMENTAL CONTAMINATION RISK ANALYSIS OF CONSTRUCTION WASTE AND ITS RECYCLED PRODUCTS IN SHANGQIU[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 191-196,149. doi: 10.13205/j.hjgc.202208027

Citation:

CUI Can, REN Fumin, HU Shuxin, JIA Jinming, MA Li, SI Han, GUO Zhanghong, LU Tong, LIU Junshi, LIU Guotao, ZHANG Boyu. ENVIRONMENTAL CONTAMINATION RISK ANALYSIS OF CONSTRUCTION WASTE AND ITS RECYCLED PRODUCTS IN SHANGQIU[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 191-196,149. doi: 10.13205/j.hjgc.202208027

Citation:

CUI Can, REN Fumin, HU Shuxin, JIA Jinming, MA Li, SI Han, GUO Zhanghong, LU Tong, LIU Junshi, LIU Guotao, ZHANG Boyu. ENVIRONMENTAL CONTAMINATION RISK ANALYSIS OF CONSTRUCTION WASTE AND ITS RECYCLED PRODUCTS IN SHANGQIU[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 191-196,149. doi: 10.13205/j.hjgc.202208027

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ENVIRONMENTAL CONTAMINATION RISK ANALYSIS OF CONSTRUCTION WASTE AND ITS RECYCLED PRODUCTS IN SHANGQIU

doi: 10.13205/j.hjgc.202208027

1. School of Environment, Beijing Jiaotong University, Beijing 100044, China;
2. Xuchang Ecological Environment Monitoring Center, Xuchang 461000, China

Received Date: 2021-12-23
Publish Date: 2022-11-08

Abstract

Abstract

Taking Shangqiu in Henan province as the research object, the pollution characteristics of eight heavy metals Cr, Ni, Cu, Zn, As, Pb, Cd and Hg were analyzed. The degree of pollution caused by heavy metals in the recycled products and their raw materials in Shangqiu was determined through the enrichment factor method and toxicity-leaching test, and the potential ecological risk was also evaluated. The results showed that, in raw material of the recycled products, Hg was the main pollution factor, followed by Cr and Ni, and all of them contributed greatly to the leaching rate of heavy metals and the potential ecological risk index. They might be affected by human activities and should be stored in shelter from the rain. In the recycled products, Hg was the main pollution factor, followed by Ni. The ecological risk of the recycled products was lower than that of the raw materials of the recycled products, indicating that this recycling approach was conducive to reduce the potential ecological risk of heavy metals in construction waste. Therefore, the recycled products have a good application prospect.
- construction waste,
- regenerated products,
- enrichment factor,
- leaching toxicity,
- ecological risk

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References(27)

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