Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate
In agriculture industry, rice husk is popularly known as highly abundant agricultural waste due to exponentially-rising population. Polysorbate 20 is one of the polymer waste, functioning as a stabilizer in food industry. Rice husk was treated by converting into carbon/silica (C/Si02) via carbonisat...
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my.umk.eprints.49952022-05-23T08:37:30Z http://discol.umk.edu.my/id/eprint/4995/ Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate Latiman, Nor Adlina In agriculture industry, rice husk is popularly known as highly abundant agricultural waste due to exponentially-rising population. Polysorbate 20 is one of the polymer waste, functioning as a stabilizer in food industry. Rice husk was treated by converting into carbon/silica (C/Si02) via carbonisation at different temperature; 300 °C, 350 °C, 400 °C and 450 °C. In this study, the different carbonisation temperature were applied to determine the relationship between carbonisation temperature and the physicochemical properties. Sulfonated carbon/silica catalyst (SO3H-C/Si02-300°C, SO3H-C/Si02-350°C, SO3H-C/Si02-400°C and SO3H-C/Si02-450°C) were fabricated by using sulphuric acid treatment. These heterogeneous acid catalysts were used in catalytic reaction between polysorbate 20 and benzoyl chloride to produce 2- chloroethyl benzoate. The physicochemical properties of the catalysts were analysed by XRD, TGA and FTIR. The XRD pattern confirmed the catalysts were amorphous. TGA showed that the ratio of C/Si02 were decreased as the carbonisation temperature increased. FTIR revealed the absorbance of functional groups such as COOH, S=0 and C=C were decreased when the temperature decreased. The catalytic reaction showed that SO3H-C/Si02-300°C catalyst was the best catalyst by achieving 96% conversion and 9% yield of 2-chloroethyl benzoate. 2018 Undergraduate Final Project Report NonPeerReviewed Latiman, Nor Adlina (2018) Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate. Final Year Project thesis, Universiti Malaysia Kelantan. (Submitted) |
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In agriculture industry, rice husk is popularly known as highly abundant agricultural waste due to exponentially-rising population. Polysorbate 20 is one of the polymer waste, functioning as a stabilizer in food industry. Rice husk was treated by converting into carbon/silica (C/Si02) via carbonisation at different temperature; 300 °C, 350 °C, 400 °C and 450 °C. In this study, the different carbonisation temperature were applied to determine the relationship between carbonisation temperature and the physicochemical properties. Sulfonated carbon/silica catalyst (SO3H-C/Si02-300°C, SO3H-C/Si02-350°C, SO3H-C/Si02-400°C and SO3H-C/Si02-450°C) were fabricated by using sulphuric acid treatment. These heterogeneous acid catalysts were used in catalytic reaction between polysorbate 20 and benzoyl chloride to produce 2- chloroethyl benzoate. The physicochemical properties of the catalysts were analysed by XRD, TGA and FTIR. The XRD pattern confirmed the catalysts were amorphous. TGA showed that the ratio of C/Si02 were decreased as the carbonisation temperature increased. FTIR revealed the absorbance of functional groups such as COOH, S=0 and C=C were decreased when the temperature decreased. The catalytic reaction showed that SO3H-C/Si02-300°C catalyst was the best catalyst by achieving 96% conversion and 9% yield of 2-chloroethyl benzoate. |
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Undergraduate Final Project Report |
author |
Latiman, Nor Adlina |
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Latiman, Nor Adlina Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
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Latiman, Nor Adlina |
author_sort |
Latiman, Nor Adlina |
title |
Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
title_short |
Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
title_full |
Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
title_fullStr |
Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
title_full_unstemmed |
Synthesis of Polysorbate 20 catalysed by Carbon/silica Precursor from rice husk for production of 2-Chloroethyl Benzoate |
title_sort |
synthesis of polysorbate 20 catalysed by carbon/silica precursor from rice husk for production of 2-chloroethyl benzoate |
publishDate |
2018 |
url |
http://discol.umk.edu.my/id/eprint/4995/ |
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1763303491748495360 |
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13.160551 |