{"id":2243,"date":"2026-04-03T16:12:44","date_gmt":"2026-04-03T08:12:44","guid":{"rendered":"https:\/\/iweb20wp-b205b.url.tku.edu.tw\/jase\/?post_type=tkuisotope&p=2243"},"modified":"2026-05-24T14:19:46","modified_gmt":"2026-05-24T06:19:46","slug":"alkaline-pretreatment-of-banana-pseudostem-waste-for-green-cellulose-fiber-composite-materials","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=alkaline-pretreatment-of-banana-pseudostem-waste-for-green-cellulose-fiber-composite-materials","title":{"rendered":"Alkaline pretreatment of banana pseudostem waste for green cellulose fiber composite materials"},"content":{"rendered":"\n
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<\/i> 2025<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 28, Issue 2<\/a><\/p>\n<\/div>\n\n\n\n

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Panisa Sangkeaw1<\/sup>, Nopasin Phoeychawee1<\/sup>, Chanachai Thongchom1<\/sup><\/i><\/a>, Jintara Lawaongkerd1<\/sup>, Suraparb Keawsawasvong1<\/sup>, and Cherdsak Suksiripattanapong2<\/sup><\/p>\n\n\n\n

1<\/sup>Thammasat University Research Unit in Structural and Foundation Engineering, Department of Civil Engineering, Faculty of Engineering, Thammasat School of Engineering, Thammasat University, Pathumtani 12120, Thailand.<\/p>\n\n\n\n

2<\/sup>Associate Professor, Department of Civil Engineering, Faculty of Engineering and Technology, Rajamangala University of Technology Isan, Nakhon Ratchasima 30000, Thailand.<\/p>\n<\/div>\n\n\n\n

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Received: November 27, 2023
Accepted: March 14, 2024
Publication Date: April 3, 2026<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Effect of different NaOH pretreatment methods on the tensile index of CFBP.<\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation:\u00a0 BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.202502_28(2).0018<\/a>\u00a0\u00a0<\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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Cellulose fiber from banana pseudostem waste (CFBP) was obtained from Chonburi, Thailand. After the ripening and harvesting of bananas, the pseudostem is cut down and repurposed into waste biomass. However, its recent integration into engineering applications, such as reinforced concrete and composite materials, aims to optimize its utilization. This strategy not only eliminates the practice of burning these residues but also underscores the use of sustainable materials. Utilizing CFBP as a reinforcing or composite material requires a pretreatment process to alter the physical structure of the fibers, enhancing the contact area for improved adhesion and reducing impurities on the fibers. The pretreatment involved a sodium hydroxide (NaOH) solution with concentrations of 2%, 4%, 6%, 8%, and 10%(w\/v). The results indicated that CFBP with 2% NaOH exhibited low weight loss and yielded the highest water retention and tensile strength index. Furthermore, an observed trend suggests that increasing sodium concentration leads to greater weight loss and lower water retention and tensile strength, accompanied by microstructural changes. The fiber surface becomes rough, fostering good adhesion, and the elemental composition reveals peaks in carbon (C) and oxygen (O), with reduced amounts of magnesium (Mg) and silica (Si). When integrating fibers into mortar with 2%NaOH-treated CFBP at proportions of 0.25%, 0.5%, 0.75%, and 1%, the study revealed that using 0.25% CFBP in cement led to the highest compressive strength.<\/p>\n\n\n\n

Keywords: Banana pseudostem, Cellulose fiber, Waste, Alkaline pretreatment, Green composite materials<\/em><\/p>\n\n\n\n

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