Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid
Glyphosate (GLY) is a major herbicide used throughout the world, and its continuous application has become an environmental issue. Adsorption is an important mechanism for removing organic contaminant in water. The present study characterized cow dung (CD) and rice husk ash (RHA), and determined the...
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| Format: | Article |
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Nature Publishing Group
2019
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| Online Access: | http://psasir.upm.edu.my/id/eprint/79741/ |
| _version_ | 1848858748340142080 |
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| author | Garba, Jamilu Abd. Wahid, Samsuri Othman, Radziah Ahmad Hamdani, Muhammad Saiful |
| author_facet | Garba, Jamilu Abd. Wahid, Samsuri Othman, Radziah Ahmad Hamdani, Muhammad Saiful |
| author_sort | Garba, Jamilu |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Glyphosate (GLY) is a major herbicide used throughout the world, and its continuous application has become an environmental issue. Adsorption is an important mechanism for removing organic contaminant in water. The present study characterized cow dung (CD) and rice husk ash (RHA), and determined the adsorption-desorption of GLY and its metabolite, aminomethylphoshonic acid (AMPA), on to them. The results revealed that both CD and RHA were alkaline and had no or low content of arsenic, cadmium, chromium and lead. The CD had lower surface area (13.104 mg2g−1) than RHA (21.500 m2g−1). The CD contained amines, phenol, ethers and carboxylic functional groups, while in addition to carboxylic and ether, RHA contains siloxane. Both CD and RHA had high affinities for GLY and AMPA. The Freundlich sorption coefficient (Kf) on AMPA were 2.915 and 2.660 for CD and RHA, respectively, while the values on GLY were 1.168 and 1.166 (mg g−1) for CD and RHA, respectively. Desorption of GLY only occurred at lower concentrations, while no desorption of AMPA was recorded, indicating their strong adsorption on CD and RHA. Considering their availabilities and affordable prices, both CD and RHA can be recommended as economical adsorbent for the removal of GLY and AMPA. |
| first_indexed | 2025-11-15T12:18:22Z |
| format | Article |
| id | upm-79741 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-15T12:18:22Z |
| publishDate | 2019 |
| publisher | Nature Publishing Group |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-797412022-10-31T07:07:31Z http://psasir.upm.edu.my/id/eprint/79741/ Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid Garba, Jamilu Abd. Wahid, Samsuri Othman, Radziah Ahmad Hamdani, Muhammad Saiful Glyphosate (GLY) is a major herbicide used throughout the world, and its continuous application has become an environmental issue. Adsorption is an important mechanism for removing organic contaminant in water. The present study characterized cow dung (CD) and rice husk ash (RHA), and determined the adsorption-desorption of GLY and its metabolite, aminomethylphoshonic acid (AMPA), on to them. The results revealed that both CD and RHA were alkaline and had no or low content of arsenic, cadmium, chromium and lead. The CD had lower surface area (13.104 mg2g−1) than RHA (21.500 m2g−1). The CD contained amines, phenol, ethers and carboxylic functional groups, while in addition to carboxylic and ether, RHA contains siloxane. Both CD and RHA had high affinities for GLY and AMPA. The Freundlich sorption coefficient (Kf) on AMPA were 2.915 and 2.660 for CD and RHA, respectively, while the values on GLY were 1.168 and 1.166 (mg g−1) for CD and RHA, respectively. Desorption of GLY only occurred at lower concentrations, while no desorption of AMPA was recorded, indicating their strong adsorption on CD and RHA. Considering their availabilities and affordable prices, both CD and RHA can be recommended as economical adsorbent for the removal of GLY and AMPA. Nature Publishing Group 2019 Article PeerReviewed Garba, Jamilu and Abd. Wahid, Samsuri and Othman, Radziah and Ahmad Hamdani, Muhammad Saiful (2019) Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid. Scientific Reports, 9 (1). art. no. 17689. pp. 1-10. ISSN 2045-2322 https://www.nature.com/articles/s41598-019-54079-0 10.1038/s41598-019-54079-0 |
| spellingShingle | Garba, Jamilu Abd. Wahid, Samsuri Othman, Radziah Ahmad Hamdani, Muhammad Saiful Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title | Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title_full | Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title_fullStr | Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title_full_unstemmed | Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title_short | Evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| title_sort | evaluation of adsorptive characteristics of cow dung and rice husk ash for removal of aqueous glyphosate and aminomethylphoshonic acid |
| url | http://psasir.upm.edu.my/id/eprint/79741/ http://psasir.upm.edu.my/id/eprint/79741/ http://psasir.upm.edu.my/id/eprint/79741/ |