Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants
Cow dung (CD) is a waste product of livestock production. Improper disposal of a large amount of CD will cause environmental pollution. In this work, three biochar materials based on CD (BMCD) were prepared by using three types of base, including KOH, NaOH, and mixed base (MB, a mixture of equal mas...
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| Format: | Article |
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MDPI AG
2022-09-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/23/17/10094 |
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| author | Xiaoxin Chen Gengxin Yu Yuanhui Chen Shanshan Tang Yingjie Su |
| author_facet | Xiaoxin Chen Gengxin Yu Yuanhui Chen Shanshan Tang Yingjie Su |
| author_sort | Xiaoxin Chen |
| collection | DOAJ |
| description | Cow dung (CD) is a waste product of livestock production. Improper disposal of a large amount of CD will cause environmental pollution. In this work, three biochar materials based on CD (BMCD) were prepared by using three types of base, including KOH, NaOH, and mixed base (MB, a mixture of equal mass NaOH and KOH) as activators to investigate the different physicochemical properties of BMCDs (BMCD-K, BMCD-Na, and BMCD-MB). The objective was to verify the effectiveness of MB activation in the preparation of biochar materials. The results show that MB has an effect on the structural characteristics of BMCDs. In particular, the surface area and total pore volume, the specific surface area, and the total pore volume of BMCD-MB (4081.1 m<sup>2</sup> g<sup>−1</sup> and 3.0118 cm<sup>3</sup> g<sup>−1</sup>) are significantly larger than those of BMCD-K (1784.6 m<sup>2</sup> g<sup>−1</sup> and 1.1142 cm<sup>3</sup> g<sup>−1</sup>) and BMCD-Na (1446.1 m<sup>2</sup> g<sup>−1</sup> and 1.0788 cm<sup>3</sup> g<sup>−1</sup>). While synthetic dye rhodamine B (RhB) and antibiotic tetracycline hydrochloride (TH) were selected as organic pollutant models to explore the adsorption performances, the maximum adsorption capacities of BMCD-K, BMCD-NA and BMCD-MB were 951, 770, and 1241 mg g<sup>−1</sup> for RhB, 975, 1051, and 1105 mg g<sup>−1</sup> for TH, respectively, which were higher than those of most adsorbents. This study demonstrated that MB can be used as an effective activator for the preparation of biochar materials with enhanced performance. |
| first_indexed | 2024-03-10T01:40:59Z |
| format | Article |
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| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-10T01:40:59Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-1042b3c3d78d473fa357138f595146992023-11-23T13:22:59ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-09-0123171009410.3390/ijms231710094Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic PollutantsXiaoxin Chen0Gengxin Yu1Yuanhui Chen2Shanshan Tang3Yingjie Su4College of Life Sciences, Jilin Agricultural University, Changchun 130118, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun 130118, ChinaKey Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun 130118, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun 130118, ChinaCow dung (CD) is a waste product of livestock production. Improper disposal of a large amount of CD will cause environmental pollution. In this work, three biochar materials based on CD (BMCD) were prepared by using three types of base, including KOH, NaOH, and mixed base (MB, a mixture of equal mass NaOH and KOH) as activators to investigate the different physicochemical properties of BMCDs (BMCD-K, BMCD-Na, and BMCD-MB). The objective was to verify the effectiveness of MB activation in the preparation of biochar materials. The results show that MB has an effect on the structural characteristics of BMCDs. In particular, the surface area and total pore volume, the specific surface area, and the total pore volume of BMCD-MB (4081.1 m<sup>2</sup> g<sup>−1</sup> and 3.0118 cm<sup>3</sup> g<sup>−1</sup>) are significantly larger than those of BMCD-K (1784.6 m<sup>2</sup> g<sup>−1</sup> and 1.1142 cm<sup>3</sup> g<sup>−1</sup>) and BMCD-Na (1446.1 m<sup>2</sup> g<sup>−1</sup> and 1.0788 cm<sup>3</sup> g<sup>−1</sup>). While synthetic dye rhodamine B (RhB) and antibiotic tetracycline hydrochloride (TH) were selected as organic pollutant models to explore the adsorption performances, the maximum adsorption capacities of BMCD-K, BMCD-NA and BMCD-MB were 951, 770, and 1241 mg g<sup>−1</sup> for RhB, 975, 1051, and 1105 mg g<sup>−1</sup> for TH, respectively, which were higher than those of most adsorbents. This study demonstrated that MB can be used as an effective activator for the preparation of biochar materials with enhanced performance.https://www.mdpi.com/1422-0067/23/17/10094industrial wastewaterorganic pollutantscow dungbiochar materialsadsorption |
| spellingShingle | Xiaoxin Chen Gengxin Yu Yuanhui Chen Shanshan Tang Yingjie Su Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants International Journal of Molecular Sciences industrial wastewater organic pollutants cow dung biochar materials adsorption |
| title | Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants |
| title_full | Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants |
| title_fullStr | Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants |
| title_full_unstemmed | Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants |
| title_short | Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants |
| title_sort | cow dung based biochar materials prepared via mixed base and its application in the removal of organic pollutants |
| topic | industrial wastewater organic pollutants cow dung biochar materials adsorption |
| url | https://www.mdpi.com/1422-0067/23/17/10094 |
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