Effect of Chelating Agents and Organic Acids on Remediation of Cadmium and Arsenic Complex Contaminated Soil Using Xanthium sibiricum
In order to improve the phytoextraction efficiency of Xanthium sibiricum on farmland soil that had been contaminated by Cd and As, this study explored the effects of chelating agents and organic acids (EDTA, SAP, CA, and MA) on the extraction of Cd and As heavy metals using X. sibiricum. The results showed that the four different chelating agents and organic acids had little effect on the biomass of the roots, stems, and leaves of X. sibiricum. However, they had different effects on the concentrations and accumulation of Cd and As in various organs of X. sibiricum. Compared with the those in the CK treatment, EDTA, SAP, CA, and MA significantly increased the Cd concentrations in the leaves of X. sibiricum by 44.1%, 32.4%, 41.2%, and 38.2% and the As concentrations in the roots of X. sibiricum by 89.6%, 7.4%, 94.8%, and 61.5%, respectively. The four treatments (EDTA, SAP, CA, and MA) improved the total Cd accumulation of X. sibiricum, with increasing ranges, respectively, of 70.2%, 29.4%, 28.9%, and 33.1%, and the As accumulation increased by 67.0%, 19.6%, 81.9%, and 40.8%, respectively, compared with that of the CK treatment. The four chelating agents and organic acids had different effects on the Cd and As bioconcentration factor and transfer factor of various organs of X. sibiricum. Treatments with EDTA, SAP, CA, and MA resulted in a decrease of 32.7%-38.2% in soil Cd concentrations and a decrease of 14.6%-20.5% in soil As concentrations. These four chelating agents can be used for enhancing the efficiency of extraction Cd and As heavy metals by X. sibiricum.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:43 |
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| Enthalten in: |
Huan jing ke xue= Huanjing kexue - 43(2022), 8 vom: 08. Aug., Seite 4292-4300 |
| Sprache: |
Chinesisch |
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| Beteiligte Personen: |
Zhang, Ya-Rui [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 17.08.2022 Date Revised 17.08.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.13227/j.hjkx.202112012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM344904091 |
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| 245 | 1 | 0 | |a Effect of Chelating Agents and Organic Acids on Remediation of Cadmium and Arsenic Complex Contaminated Soil Using Xanthium sibiricum |
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| 520 | |a In order to improve the phytoextraction efficiency of Xanthium sibiricum on farmland soil that had been contaminated by Cd and As, this study explored the effects of chelating agents and organic acids (EDTA, SAP, CA, and MA) on the extraction of Cd and As heavy metals using X. sibiricum. The results showed that the four different chelating agents and organic acids had little effect on the biomass of the roots, stems, and leaves of X. sibiricum. However, they had different effects on the concentrations and accumulation of Cd and As in various organs of X. sibiricum. Compared with the those in the CK treatment, EDTA, SAP, CA, and MA significantly increased the Cd concentrations in the leaves of X. sibiricum by 44.1%, 32.4%, 41.2%, and 38.2% and the As concentrations in the roots of X. sibiricum by 89.6%, 7.4%, 94.8%, and 61.5%, respectively. The four treatments (EDTA, SAP, CA, and MA) improved the total Cd accumulation of X. sibiricum, with increasing ranges, respectively, of 70.2%, 29.4%, 28.9%, and 33.1%, and the As accumulation increased by 67.0%, 19.6%, 81.9%, and 40.8%, respectively, compared with that of the CK treatment. The four chelating agents and organic acids had different effects on the Cd and As bioconcentration factor and transfer factor of various organs of X. sibiricum. Treatments with EDTA, SAP, CA, and MA resulted in a decrease of 32.7%-38.2% in soil Cd concentrations and a decrease of 14.6%-20.5% in soil As concentrations. These four chelating agents can be used for enhancing the efficiency of extraction Cd and As heavy metals by X. sibiricum | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Xanthium sibiricum | |
| 650 | 4 | |a chelating agent | |
| 650 | 4 | |a extraction technology | |
| 650 | 4 | |a farmland | |
| 650 | 4 | |a heavy metal | |
| 650 | 4 | |a phytoremediation | |
| 650 | 7 | |a Chelating Agents |2 NLM | |
| 650 | 7 | |a Metals, Heavy |2 NLM | |
| 650 | 7 | |a Soil |2 NLM | |
| 650 | 7 | |a Soil Pollutants |2 NLM | |
| 650 | 7 | |a Cadmium |2 NLM | |
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| 650 | 7 | |a Edetic Acid |2 NLM | |
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| 650 | 7 | |a Arsenic |2 NLM | |
| 650 | 7 | |a N712M78A8G |2 NLM | |
| 700 | 1 | |a Huang, Yi-Zong |e verfasserin |4 aut | |
| 700 | 1 | |a Bao, Qiong-Li |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Xiang-Dong |e verfasserin |4 aut | |
| 700 | 1 | |a Tie, Bai-Qing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Sheng-Nan |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Nian |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Yong-Chun |e verfasserin |4 aut | |
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