Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement
Agricultural wastes with a high silica content, such as sugarcane bagasse ash (SCBA), are abundant and can be used as a supplementary cementitious material (SCM). Prior to burning the waste, previous studies have used acid treatments to remove metal impurities as well as increase the amount of sil...
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Springer Science and Business Media Deutschland GmbH
2023
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oai:scholars.utp.edu.my:377122023-10-30T02:03:58Z http://scholars.utp.edu.my/id/eprint/37712/ Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement Wahab, M.M.A. Shafiq, N. Alaloul, W.S. Rafiq, W. Husna, N. Farhan, S.A. Ikram, T.A. Musarat, M.A. Agricultural wastes with a high silica content, such as sugarcane bagasse ash (SCBA), are abundant and can be used as a supplementary cementitious material (SCM). Prior to burning the waste, previous studies have used acid treatments to remove metal impurities as well as increase the amount of silica that can be extracted. However, the chemical dangers associated with the use of acids at high concentrations are a deterrent to treatment as part of an eco-friendly process of adopting agricultural wastes as SCMs. In view of the chemical risks, the current study investigates the effect of performing treatments on sugarcane bagasse with a low concentration acid of 0.1 M on the early compressive strength of cement mortar. Mix proportions are prepared for all sample types, which are control samples with no SCM and samples with 5, 7.5, and 10 silica from untreated and treated SCBA as the SCM. After seven days of curing, the compressive strength of the samples was evaluated, and selected samples were scanned using a field emission scanning electron microscope (FESEM) to analyze their morphology. Cement replacement with 7.5 silica extracted from treated SCBA resulted in the highest compressive strength of 6.25 MPa, which is an increase of 46.72 from that of the control sample mix. Observation of FESEM micrographs revealed that high silica content resulted in compressive strength reduction owing to its disruption on the binding material microstructure. © 2023, The Author(s), under exclusive licence to Shiraz University. Springer Science and Business Media Deutschland GmbH 2023 Article NonPeerReviewed Wahab, M.M.A. and Shafiq, N. and Alaloul, W.S. and Rafiq, W. and Husna, N. and Farhan, S.A. and Ikram, T.A. and Musarat, M.A. (2023) Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement. Iranian Journal of Science and Technology - Transactions of Civil Engineering. ISSN 22286160 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85174593206&doi=10.1007%2fs40996-023-01260-1&partnerID=40&md5=cff63a1ccd7a9aac899d881cb1a1364e 10.1007/s40996-023-01260-1 10.1007/s40996-023-01260-1 10.1007/s40996-023-01260-1 |
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Agricultural wastes with a high silica content, such as sugarcane bagasse ash (SCBA), are abundant and can be used as a supplementary cementitious material (SCM). Prior to burning the waste, previous studies have used acid treatments to remove metal impurities as well as increase the amount of silica that can be extracted. However, the chemical dangers associated with the use of acids at high concentrations are a deterrent to treatment as part of an eco-friendly process of adopting agricultural wastes as SCMs. In view of the chemical risks, the current study investigates the effect of performing treatments on sugarcane bagasse with a low concentration acid of 0.1 M on the early compressive strength of cement mortar. Mix proportions are prepared for all sample types, which are control samples with no SCM and samples with 5, 7.5, and 10 silica from untreated and treated SCBA as the SCM. After seven days of curing, the compressive strength of the samples was evaluated, and selected samples were scanned using a field emission scanning electron microscope (FESEM) to analyze their morphology. Cement replacement with 7.5 silica extracted from treated SCBA resulted in the highest compressive strength of 6.25 MPa, which is an increase of 46.72 from that of the control sample mix. Observation of FESEM micrographs revealed that high silica content resulted in compressive strength reduction owing to its disruption on the binding material microstructure. © 2023, The Author(s), under exclusive licence to Shiraz University. |
| format |
Article |
| author |
Wahab, M.M.A. Shafiq, N. Alaloul, W.S. Rafiq, W. Husna, N. Farhan, S.A. Ikram, T.A. Musarat, M.A. |
| spellingShingle |
Wahab, M.M.A. Shafiq, N. Alaloul, W.S. Rafiq, W. Husna, N. Farhan, S.A. Ikram, T.A. Musarat, M.A. Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| author_facet |
Wahab, M.M.A. Shafiq, N. Alaloul, W.S. Rafiq, W. Husna, N. Farhan, S.A. Ikram, T.A. Musarat, M.A. |
| author_sort |
Wahab, M.M.A. |
| title |
Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| title_short |
Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| title_full |
Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| title_fullStr |
Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| title_full_unstemmed |
Low-Concentration Acid Treatment of Sugarcane Bagasse with Silica Extraction for Partial Cement Replacement |
| title_sort |
low-concentration acid treatment of sugarcane bagasse with silica extraction for partial cement replacement |
| publisher |
Springer Science and Business Media Deutschland GmbH |
| publishDate |
2023 |
| url |
http://scholars.utp.edu.my/id/eprint/37712/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85174593206&doi=10.1007%2fs40996-023-01260-1&partnerID=40&md5=cff63a1ccd7a9aac899d881cb1a1364e |
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1781707947255005184 |
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13.222552 |