Investigation of the use of date seed for the removal of boron from seawater /
Recently boron has been classified as a pollutant of drinking water in many countries. Boron is harmful to many plants especially sensible plants and human health. Therefore, boron level needs to be decreased to 0.3 mg/L for drinking water and from 0.5 mg/L to 1 mg/L for irrigation water. In this st...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English |
| Published: |
Kuala Lumpur :
Kulliyyah of Engineering, International Islamic University Malaysia,
2019
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| Subjects: | |
| Online Access: | http://studentrepo.iium.edu.my/handle/123456789/4931 |
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| Summary: | Recently boron has been classified as a pollutant of drinking water in many countries. Boron is harmful to many plants especially sensible plants and human health. Therefore, boron level needs to be decreased to 0.3 mg/L for drinking water and from 0.5 mg/L to 1 mg/L for irrigation water. In this study, various operational parameters are tested in order to determine feasibility of using date seed (or date pit or date stone) to remove boron from seawater. The main objective of this study was to determine boron adsorption potentials of various date seed preparation methods (i.e., powdered, activated, acid treated and oil extracted seed) by batch adsorption process using synthetic boron contaminated water. The process parameters of the best sorbent among the four date seed preparations methods were optimized. The surface characteristics the best sorbent was analysed by using FTIR and SEM. Equilibrium isotherm and kinetic of the best sorbent were determined. The result showed that acid treated date seed were found to possess best sorption for removal of boron from synthetic seawater with 89.18% of removal at neutral pH and room temperature (25°C±2°C). SEM showed that acid treatment on date seed removed the small cavities and cracks on surface of date seed. FTIR illustrates that O-H stretch, amine (C-N) and aromatic (C-C) are involved in adsorption of boron on acid treated date seed. This study follows Freundlich isotherm and pseudo second order with regression value of R2= 0.9853 and 0.9509, respectively. |
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| Physical Description: | xiv, 83 leaves : colour illustrations ; 30cm. |
| Bibliography: | Includes bibliographical references (leaves 77-82). |