ENGINEERING APPLICATION OF SAFE UTILIZATION TECHNOLOGY OF CADMIUM POLLUTED WHEAT FIELD IN SEWAGE IRRIGATION AREAS

SUN Fawei; WANG Jiajia; CHEN Weiping; YANG Yang; LIU Wei; WANG Tianqi

doi:10.13205/j.hjgc.202210018

Volume 40 Issue 10

Oct. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(10): 134-140

SUN Fawei, WANG Jiajia, CHEN Weiping, YANG Yang, LIU Wei, WANG Tianqi. ENGINEERING APPLICATION OF SAFE UTILIZATION TECHNOLOGY OF CADMIUM POLLUTED WHEAT FIELD IN SEWAGE IRRIGATION AREAS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(10): 134-140. doi: 10.13205/j.hjgc.202210018

Citation:

SUN Fawei, WANG Jiajia, CHEN Weiping, YANG Yang, LIU Wei, WANG Tianqi. ENGINEERING APPLICATION OF SAFE UTILIZATION TECHNOLOGY OF CADMIUM POLLUTED WHEAT FIELD IN SEWAGE IRRIGATION AREAS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(10): 134-140. doi: 10.13205/j.hjgc.202210018

Citation:

SUN Fawei, WANG Jiajia, CHEN Weiping, YANG Yang, LIU Wei, WANG Tianqi. ENGINEERING APPLICATION OF SAFE UTILIZATION TECHNOLOGY OF CADMIUM POLLUTED WHEAT FIELD IN SEWAGE IRRIGATION AREAS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(10): 134-140. doi: 10.13205/j.hjgc.202210018

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ENGINEERING APPLICATION OF SAFE UTILIZATION TECHNOLOGY OF CADMIUM POLLUTED WHEAT FIELD IN SEWAGE IRRIGATION AREAS

doi: 10.13205/j.hjgc.202210018

1. Kaifeng Rural Energy and Environment Protection Workstation, Kaifeng 475000, China;
2. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
3. Soil Business Coordination Center, Sinochem Environment Holdings Co., Ltd, Beijing 100071, China;
4. Qidi Biological (Beijing) Technology Co., Ltd, Beijing 100080, China

Received Date: 2021-11-26

Abstract

Abstract

In order to explore the application effect of engineered modification, phytoremediation, passivation remediation, antagonism remediation, and the passivation-antagonism remediation technology at safe utilization project of cadmium polluted wheat field in sewage irrigation areas, we studied the wheat grain Cd content, soil Cd content and degree of wheat Cd enrichment after the 5 kinds of techniques applied in a typical sewage irrigation area in Henan. The results showed that:a single or composite treatment of passivation and antagonism could remediate the pollution of Cd in wheat by affecting the enrichment of Cd in wheat grain and the content of Cd in soil; Cd content in wheat grain was significantly reduced by 38% after appropriate application of phosphorus A or B and iron material composites, and the Cd content was significantly reduced by 27% to 48% after appropriate application of phosphorus materials B in wheat grain, and both restorative effects were remarkable; other techniques had some restorative effect, but not significant. The Cd enrichment coefficient of wheat (PUF_Cd) could be used as one indicating index to evaluate the effect of technology application on cadmium polluted wheat field safe utilization project in the sewage irrigation area.
- wheat,
- cadmium pollution,
- passivation-antagonistic remediation technique,
- cadmium enrichment coefficient of wheat,
- engineering application

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References(29)

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