Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment
The wastewater treatment process produces the tannery leather sludge, a waste product with high chromium content which has the potential to contaminate the environment. The ability of earthworms to detoxify heavy metals in sludge through vermicomposting has also been studied. However, heavy metals i...
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Elsevier
2024-12-01
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| Series: | Case Studies in Chemical and Environmental Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666016424003803 |
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| author | Chuthamat Mongchu Chuleemas Boonthai Iwai Barry Neil Noller |
| author_facet | Chuthamat Mongchu Chuleemas Boonthai Iwai Barry Neil Noller |
| author_sort | Chuthamat Mongchu |
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| description | The wastewater treatment process produces the tannery leather sludge, a waste product with high chromium content which has the potential to contaminate the environment. The ability of earthworms to detoxify heavy metals in sludge through vermicomposting has also been studied. However, heavy metals in tannery sludge can affect the growth, reproduction, and mortality of earthworms and microbes. Therefore, this study aimed to investigate the enhancement of the potential of earthworms, Eisenia foetida and Eudrillus eugeniae species in the tannery-leather industry sludge management through vermicomposting with bamboo biochar amendment, chromium detoxification, and their valorization efficiency. The study was conducted by using tannery leather sludge (S) with biochar (B) in different proportions viz. S0%:B0%, S0%:B10 %, S2.5 %:B7.5 %, S5%:B5%, S7.5 %:B2.5 %, and S10 %:B0% on a dry weight basis by E. foetida and E. eugeniae species for 45 days. Earthworms, E. foetida showed the most significant increases in population, weight, and cocoon production in the treatment of a mixture of 7.5 % sludge and 2.5 % biochar. This treatment also resulted in the highest increases in total nitrogen (TN) and total phosphorus (TP) percentages. Additionally, it led to decreases in pH, electrical conductivity (EC), and organic carbon (OC) percentage. The treatment resulted in a decrease in total chromium by up to 70 %. Therefore, adding bamboo biochar amendment could enhance the potential of E. foetida and E. eugeniae species and their valorization in the tannery-leather industry sludge management via vermicomposting. E. foetida has high potential and is more suitable for vermicomposting in tannery leather sludge management, and provides high nutrients in a short period and could provide guidance for sustainable waste management using biotechnology. |
| format | Article |
| id | doaj-art-33811181a5ff4fd0a5aa8d9a490953bd |
| institution | OA Journals |
| issn | 2666-0164 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
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| series | Case Studies in Chemical and Environmental Engineering |
| spelling | doaj-art-33811181a5ff4fd0a5aa8d9a490953bd2025-08-20T02:17:58ZengElsevierCase Studies in Chemical and Environmental Engineering2666-01642024-12-011010098610.1016/j.cscee.2024.100986Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendmentChuthamat Mongchu0Chuleemas Boonthai Iwai1Barry Neil Noller2Department of Soil Sciences and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, ThailandDepartment of Soil Sciences and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand; Integrated Land and Water Resource Management Research and Development Center in Northeast Thailand, Khon Kaen University, Khon Kaen, 40002, Thailand; Corresponding author. Department of Soil Sciences and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand.The University of Queensland, Centre for Mined Land Rehabilitation, Sustainable Minerals Institute, St Lucia, Queensland, 4072, AustraliaThe wastewater treatment process produces the tannery leather sludge, a waste product with high chromium content which has the potential to contaminate the environment. The ability of earthworms to detoxify heavy metals in sludge through vermicomposting has also been studied. However, heavy metals in tannery sludge can affect the growth, reproduction, and mortality of earthworms and microbes. Therefore, this study aimed to investigate the enhancement of the potential of earthworms, Eisenia foetida and Eudrillus eugeniae species in the tannery-leather industry sludge management through vermicomposting with bamboo biochar amendment, chromium detoxification, and their valorization efficiency. The study was conducted by using tannery leather sludge (S) with biochar (B) in different proportions viz. S0%:B0%, S0%:B10 %, S2.5 %:B7.5 %, S5%:B5%, S7.5 %:B2.5 %, and S10 %:B0% on a dry weight basis by E. foetida and E. eugeniae species for 45 days. Earthworms, E. foetida showed the most significant increases in population, weight, and cocoon production in the treatment of a mixture of 7.5 % sludge and 2.5 % biochar. This treatment also resulted in the highest increases in total nitrogen (TN) and total phosphorus (TP) percentages. Additionally, it led to decreases in pH, electrical conductivity (EC), and organic carbon (OC) percentage. The treatment resulted in a decrease in total chromium by up to 70 %. Therefore, adding bamboo biochar amendment could enhance the potential of E. foetida and E. eugeniae species and their valorization in the tannery-leather industry sludge management via vermicomposting. E. foetida has high potential and is more suitable for vermicomposting in tannery leather sludge management, and provides high nutrients in a short period and could provide guidance for sustainable waste management using biotechnology.http://www.sciencedirect.com/science/article/pii/S2666016424003803Tanning leather sludgeVermicompostingBiocharEarthwormWaste |
| spellingShingle | Chuthamat Mongchu Chuleemas Boonthai Iwai Barry Neil Noller Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment Case Studies in Chemical and Environmental Engineering Tanning leather sludge Vermicomposting Biochar Earthworm Waste |
| title | Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| title_full | Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| title_fullStr | Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| title_full_unstemmed | Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| title_short | Enhancing the potential of Eisenia foetida and Eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| title_sort | enhancing the potential of eisenia foetida and eudrillus eugeniae species and their valorization in tannery leather industry sludge management via vermicomposting with bamboo biochar amendment |
| topic | Tanning leather sludge Vermicomposting Biochar Earthworm Waste |
| url | http://www.sciencedirect.com/science/article/pii/S2666016424003803 |
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