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Empirical models of kinetic rate for river treatment analysis of cellulosic materials

The utilisation of cellulosic fibre in removing organic and nutrients pollutants in polluted river is becoming an increasingly popular alternative cost-effective and sustainable option. However, the related empirical models are yet to be fully comprehensive to study the adsorption mechanisms of na...

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Main Authors: Low, Wen Pei, Mohd Fadhil, Md Din, Chang, Fung-Lung, Siti Nur Fatihah, Moideen, Lee, Yee Yong
Format: Article
Language:English
Published: elsevier 2018
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.intimal.edu.my/1073/1/LOW%20WEN%20PEI.pdf
http://eprints.intimal.edu.my/1073/
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spelling my-inti-eprints.10732018-09-13T08:46:42Z http://eprints.intimal.edu.my/1073/ Empirical models of kinetic rate for river treatment analysis of cellulosic materials Low, Wen Pei Mohd Fadhil, Md Din Chang, Fung-Lung Siti Nur Fatihah, Moideen Lee, Yee Yong TA Engineering (General). Civil engineering (General) The utilisation of cellulosic fibre in removing organic and nutrients pollutants in polluted river is becoming an increasingly popular alternative cost-effective and sustainable option. However, the related empirical models are yet to be fully comprehensive to study the adsorption mechanisms of natural adsorbents. This paper discusses developed empirical model used to estimate the mass transfer of organic pollutants into two natural fibres – coconut fibres and oil palm fibres to filter pollutant molecules in water. An empirical model was developed to estimate the mass transfer of organic pollutants in water onto the fibres in a fabricated physical model. The mass transfer relations were derived based on the substrates loading rates and the predicted accumulation rates of substrates in fibres along with the percentage of outflows. Matching empirical results with experimental results showed that the modified model was able to accurately predict the mass transfer rate. The higher adsorption rate of CF (91.02% COD) depicted greater global mass transfer rate (1.3696 d−1) than OPF (82.35% COD) which only had 1.2768 d−1 of global mass transfer rate in 3% of COD outflow. The contribution of internal diffusion mechanism was significant due to the physical (porosity) and chemical (lignin and cellulosic content) characteristics of both CF and OPF. The study concluded that the performance of biological adsorption using CF and OPF is promising. 1. Introduction River has been the source of life since billions of years ago. Early human civilization had mainly flourished at riverbanks, such as Egypt’s Nile River, Indus River valley, and along major rivers in China. River forms a vital part of our ecosystem, providing food and shelter to many organisms, not to forget a mean of transportation for human [1]. In order to preserve its sustainability, it is important that river water bodies and riparian zones are maintained clean so that the delicate life balance is not disrupted. Ironically, as human civilization progresses by leaps and bounds throughout history, we are also stressing our river bodies through the tremendous amount of wastes generated. Many of these wastes are disposed irresponsibly into our river systems, overloading the rivers with excessive amount of nutrients that has resulted in harmful elsevier 2018-04-09 Article NonPeerReviewed text en http://eprints.intimal.edu.my/1073/1/LOW%20WEN%20PEI.pdf Low, Wen Pei and Mohd Fadhil, Md Din and Chang, Fung-Lung and Siti Nur Fatihah, Moideen and Lee, Yee Yong (2018) Empirical models of kinetic rate for river treatment analysis of cellulosic materials. Journal of Water Process Engineering.
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Low, Wen Pei
Mohd Fadhil, Md Din
Chang, Fung-Lung
Siti Nur Fatihah, Moideen
Lee, Yee Yong
Empirical models of kinetic rate for river treatment analysis of cellulosic materials
description The utilisation of cellulosic fibre in removing organic and nutrients pollutants in polluted river is becoming an increasingly popular alternative cost-effective and sustainable option. However, the related empirical models are yet to be fully comprehensive to study the adsorption mechanisms of natural adsorbents. This paper discusses developed empirical model used to estimate the mass transfer of organic pollutants into two natural fibres – coconut fibres and oil palm fibres to filter pollutant molecules in water. An empirical model was developed to estimate the mass transfer of organic pollutants in water onto the fibres in a fabricated physical model. The mass transfer relations were derived based on the substrates loading rates and the predicted accumulation rates of substrates in fibres along with the percentage of outflows. Matching empirical results with experimental results showed that the modified model was able to accurately predict the mass transfer rate. The higher adsorption rate of CF (91.02% COD) depicted greater global mass transfer rate (1.3696 d−1) than OPF (82.35% COD) which only had 1.2768 d−1 of global mass transfer rate in 3% of COD outflow. The contribution of internal diffusion mechanism was significant due to the physical (porosity) and chemical (lignin and cellulosic content) characteristics of both CF and OPF. The study concluded that the performance of biological adsorption using CF and OPF is promising. 1. Introduction River has been the source of life since billions of years ago. Early human civilization had mainly flourished at riverbanks, such as Egypt’s Nile River, Indus River valley, and along major rivers in China. River forms a vital part of our ecosystem, providing food and shelter to many organisms, not to forget a mean of transportation for human [1]. In order to preserve its sustainability, it is important that river water bodies and riparian zones are maintained clean so that the delicate life balance is not disrupted. Ironically, as human civilization progresses by leaps and bounds throughout history, we are also stressing our river bodies through the tremendous amount of wastes generated. Many of these wastes are disposed irresponsibly into our river systems, overloading the rivers with excessive amount of nutrients that has resulted in harmful
format Article
author Low, Wen Pei
Mohd Fadhil, Md Din
Chang, Fung-Lung
Siti Nur Fatihah, Moideen
Lee, Yee Yong
author_facet Low, Wen Pei
Mohd Fadhil, Md Din
Chang, Fung-Lung
Siti Nur Fatihah, Moideen
Lee, Yee Yong
author_sort Low, Wen Pei
title Empirical models of kinetic rate for river treatment analysis of cellulosic materials
title_short Empirical models of kinetic rate for river treatment analysis of cellulosic materials
title_full Empirical models of kinetic rate for river treatment analysis of cellulosic materials
title_fullStr Empirical models of kinetic rate for river treatment analysis of cellulosic materials
title_full_unstemmed Empirical models of kinetic rate for river treatment analysis of cellulosic materials
title_sort empirical models of kinetic rate for river treatment analysis of cellulosic materials
publisher elsevier
publishDate 2018
url http://eprints.intimal.edu.my/1073/1/LOW%20WEN%20PEI.pdf
http://eprints.intimal.edu.my/1073/
_version_ 1644541379373694976
score 13.211869

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