| Title |
Evaluation of Pb(II) Removal from Water Using Sodium Alginate/Hydroxypropyl Cellulose Beads |
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Authors |
GUERRERO, Rodel D.; ACIBAR, Catherine O.; ALARDE, Christine Marie C.; MASLOG, Jane E.; PACILAN, Christine Joy M. |
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Publication date |
2020/02/05 |
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Journal |
E3S Web of Conferences |
| Volume |
148 |
| Issue |
ETMC and RC EnvE 2019 |
| Pages |
1-4 |
| Publisher |
EDP Sciences 芒聙聯 Web of Conferences |
| Abstract |
This study examined the removal of Pb2+ ions from aqueous solution with two different lead concentrations using a hydrogel-forming polymer based on hydroxypropyl cellulose (HPC) and sodium alginate (SA). The feasibility of the adsorption behavior of SA-HPC beads has been investigated with three varying ratios of 50:50, 75:25 and 100:0 under a stir condition. The adsorption experiments were done to determine the effects of contact time, lead concentration and SA-HPC ratio to the adsorption capacity of SA-HPC hydrogel beads. The results showed that the ratio 75:25 showed higher adsorption capacity compared to 100:0 and 50:50. It showcased 47.72 mg/g adsorption capacity and 95.45% adsorption percentage after three hours of contact time. The adsorption kinetic model indicated that the adsorption of Pb2+ ions onto the beads followed a pseudo-second order kinetic equation. This means that the adsorption mechanism shows a chemisorption process and its sole rate-limiting step is intraparticle diffusion. |
| Index terms / Keywords |
sodium alginate, hydroxypropyl cellulose, adsorption, lead ion, ionotropic gelation |
| DOI |
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| URL |
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Mindanao State
University - Iligan Institute of Technology