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Kinetic Study of Lead Adsorption to Composite Biopolymer Adsorbent
| Title: | Kinetic Study of Lead Adsorption to Composite Biopolymer Adsorbent |
| Authors: | Seki, Hideshi Browse this author →KAKEN DB | | Suzuki, Akira Browse this author |
| Keywords: | diffusivity | | lead | | composite biopolymer adsorbent | | humic acid | | alginic acid |
| Issue Date: | 15-Mar-1999 |
| Publisher: | Elsevier |
| Journal Title: | Journal of Colloid and Interface Science |
| Volume: | 211 |
| Issue: | 2 |
| Start Page: | 375 |
| End Page: | 379 |
| Publisher DOI: | 10.1006/jcis.1998.6000 |
| PMID: | 10049553 |
| Abstract: | A kinetic study of lead adsorption to composite biopolymer adsorbents was carried out. Spherical and membranous adsorbents containing two kinds of biopolymers, humic acid and alginic acid, were used for lead adsorption in dilute acidic solutions. The shrinking core model derived by Rao and Gupta was applied to describe the rate process of lead adsorption to spherical adsorbents (average radii of 0.12, 0.15, and 0.16 cm). Furthermore, the shrinking core model was modified and adapted for the description of the rate process of lead adsorption to membranous adsorbent (an average thickness of 0.0216 cm). The adsorption rate process for the both cases was well-described and the average apparent lead diffusion coefficients of about 6 × 10-6 and 7 × 10-6 cm2・s-1 were found for the spherical and membranous adsorbents, respectively. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/44067 |
| Appears in Collections: | 水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 関 秀司
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