Volume 8, Issue 3 (12-2015)                   ijhe 2015, 8(3): 297-308 | Back to browse issues page

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Shahbazi A. Comparison of adsorption efficiency of Triton X-100 surfactant from industrial wastewater using synthetic and natural zeolites: isotherm and kinetic studies. ijhe. 2015; 8 (3) :297-308
URL: http://ijhe.tums.ac.ir/article-1-5397-en.html
Department of Environmental Science, Environmental Sciences Research Institute, Shahid Beheshti University , a_shahbazi@sbu.ac.ir
Abstract:   (3520 Views)

Background and Objectives: Rapid growing of Triton X-100 application in industries results in its appearance in effluents  and threaten the aqueous ecosystems. Triton X-100 is not biodegradable and can accumulate in food chain.

Materials and Methods: In this study, sorption capacity of six synthesized zeolites with different regular porous structure was studied for triton X-100 (TX-100) surfactant and the results were compared with Clinoptilolite natural zeolite of Damavand region.

Results: Within all zeolite studied, Beta(200) showed the highest sorption capacity (about 575 mg/g), which is due to its regular pore structure with large pore diameter, channel intersections, high SiO2/Al2O3 ratio and high surface area. Langmuir monolayer isotherm and pseudo-second-order kinetic equation could provide well-fitted to the experimental data in simulating adsorption behavior of TX-100 over Beta(200) zeolite.

Conclusion: The adsorption feature was internal sorption and the intraparticle diffusion might be a rate-limiting control for Beta(200) zeolite. Results of experiments demonstrated that the hydrophobic zeolites with large pore diameter such as Beta(200) could be effective sorbents for industrial wastewater treatment features.

Full-Text [PDF 869 kb]   (1837 Downloads)    
Type of Study: Research | Subject: wastewater
Received: 2015/01/31 | Accepted: 2015/12/26 | Published: 2015/12/26

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