Immobilization of Pb in waste water and soil by tourmaline-biochar composites (TBs) : Characteristics and mechanisms
Copyright © 2024 Elsevier B.V. All rights reserved..
Novel tourmaline-biochar composites (TBs) were synthesized by introducing tourmaline (TM) into pomelo peel biochar (BC). The surface properties of TBs and BC were studied and the adsorption performances for Pb2+ were investigated. Compared to pristine BC, the adsorption ability for Pb2+ on TBs was enhanced with the increase of TM in TBs, and up to 514.62 mg/g on 5%TB. The enrichment of inorganic metals caused by TM in TBs made the precipitation and cation ion exchange become the main mechanisms in adsorbing Pb2+, and the amounts of adsorbing Pb2+ by those two mechanisms on TBs were 1.10-1.48 times and 1.20-1.30 times those of BC, respectively. Furthermore, applying TBs to practical contaminated soil increased the soil pH and electrical conductivity (EC) after 15 days of incubation. The increased content of residual-Pb and reduced exchangeable-Pb and DTPA-Pb indicated that TBs were favorable for the immobilization of Pb in soil. This study gives a new perspective on the synthesis of tourmaline-biochar composite and their application in Pb-polluted water and soil.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:920 |
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| Enthalten in: |
The Science of the total environment - 920(2024) vom: 10. März, Seite 170803 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yihuan [VerfasserIn] |
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| Links: |
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| Themen: |
Immobilization mechanisms |
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| Anmerkungen: |
Date Revised 05.03.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.scitotenv.2024.170803 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368320138 |
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| 245 | 1 | 0 | |a Immobilization of Pb in waste water and soil by tourmaline-biochar composites (TBs) |b Characteristics and mechanisms |
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| 500 | |a Date Revised 05.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2024 Elsevier B.V. All rights reserved. | ||
| 520 | |a Novel tourmaline-biochar composites (TBs) were synthesized by introducing tourmaline (TM) into pomelo peel biochar (BC). The surface properties of TBs and BC were studied and the adsorption performances for Pb2+ were investigated. Compared to pristine BC, the adsorption ability for Pb2+ on TBs was enhanced with the increase of TM in TBs, and up to 514.62 mg/g on 5%TB. The enrichment of inorganic metals caused by TM in TBs made the precipitation and cation ion exchange become the main mechanisms in adsorbing Pb2+, and the amounts of adsorbing Pb2+ by those two mechanisms on TBs were 1.10-1.48 times and 1.20-1.30 times those of BC, respectively. Furthermore, applying TBs to practical contaminated soil increased the soil pH and electrical conductivity (EC) after 15 days of incubation. The increased content of residual-Pb and reduced exchangeable-Pb and DTPA-Pb indicated that TBs were favorable for the immobilization of Pb in soil. This study gives a new perspective on the synthesis of tourmaline-biochar composite and their application in Pb-polluted water and soil | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Immobilization mechanisms | |
| 650 | 4 | |a Pb(2+) adsorption | |
| 650 | 4 | |a Soil remediation | |
| 650 | 4 | |a Tourmaline-biochar composite | |
| 700 | 1 | |a Chen, Yaoning |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yuanping |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Hongjuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Mengyang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, Huayue |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Wencheng |e verfasserin |4 aut | |
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