A novel method for removing heavy metals from composting system: The combination of functional bacteria and adsorbent materials
Abstract
The aim of this study was to remove heavy metals from composting system using a novel method combined functional bacteria with adsorbent materials. Four types of adsorbent materials were selected in this study. Results showed that Cr had significant removal efficiency, especially in sponge treatment (19.09%) and cotton treatment (26.36%). In addition, a significant movement of heavy metals from the outside to adsorbent column was also observed. RDA results indicated that bands 1, 2, 10, 18, 19 and 20 had negative correlations with six types of heavy metals, which contributed to the removal of heavy metals. Structural equation models further confirmed functional bacteria can directly affect the removal of Cu, Cd and Cr. In addition, it can also indirectly remove Pb and Cr by changing native bacteria. In summary, this study suggested the combination of functional bacteria and adsorbent materials was effective to remove heavy metals from composting system.
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Microbial treatments transform biomass through humification and stabilization; aerobic composting and anaerobic fermentation can be used; additives such as fly ash, red mud, biochar, and lime reduce heavy-metal leaching; combined metal-tolerant bacteria and humus can minimize metal leaching by more than 60%; functional bacteria consortium reduced Cr leaching by 19.1-26.4%.
“The microbial treatments lead to enzymatic reactions (transformations) of biomass through humification and stabilization of organic matter.”
From Sustainable management of post-phytoremediation biomass (2025) · cites this paper as Yang et al. 2019a
Cites
Application of eggshell waste for the immobilization of cadmium and lead in a contaminated soil
Ok, Y. S., Lee, S. S., Jeon, W.-T., Oh, S.-E., Usman, A. R. A., & Moon, D. H. (2011) · Environmental Geochemistry and Health · doi:10.1007/s10653-010-9362-2 · Cited by 146 · see citing works
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A review on disposal and utilization of phytoremediation plants containing heavy metals
Liu, Z., & Tran, K.-Q. (2021) · Ecotoxicology and Environmental Safety · doi:10.1016/j.ecoenv.2021.112821 · Cited by 183 · see citing works
Edgar, V.-N., Fabián, F.-L., Mario, P.-C. J., & Ileana, V.-R. (2021) · Applied Sciences · doi:10.3390/app11072982 · Cited by 91 · see citing works
Sustainable management of post-phytoremediation biomass
Mukherjee, S., Leri, A. C., Bandaranayaka, C., Vázquez-Núñez, E., Barros, R., Khan, A. H. A., Zhou, P., Zhang, T., Bernal, M. P., Clemente, R., et al. (2025) · Energy, Ecology and Environment · doi:10.1007/s40974-025-00364-w · Cited by 45 · see citing works
“However, this biomass can store toxic elements, particularly when it comes from phytoextraction, which may lead to secondary pollution unless it is appropriately treated (Yang et al. 2019b).”
- Authors
- Yang, K., Zhu, L., Zhao, Y., Wei, Z., Chen, X., Yao, C., Meng, Q., & Zhao, R.
- Affiliations
- Northeast Agricultural University (CN)
- Corresponding author
- Wei, Zimin
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2019-12
- Volume
- 293
- Pages
- 122095
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2971280491
- Cited by
- 78
- References
- 1
- Citations by year
- 2026: 3 · 2025: 10 · 2024: 9 · 2023: 7 · 2022: 12 · 2021: 16 · 2020: 11 · 2019: 10
- FWCI
- 9.74
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (51778116, 51878132, 51978131)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Composting and Vermicomposting Techniques
- Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Keywords
- heavy metal removal, composting, functional bacteria, adsorbents, chromium, copper, cadmium, lead, sponges, cotton, indigenous bacteria, heavy metal adsorption
- MeSH terms
- Composting, Bacteria, Metals, Heavy
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