Adsorption of phenol from cigarette smoke using CoAPO-11
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In this paper, the cobalt-substituted aluminophosphate CoAPO-11 was prepared and utilized for the adsorption of phenol in cigarette smoke. XRD, XPS, SEM, TPD and N2-sorption results suggested that the product possessed highly crystallized AEL topology with mesoporous structure, and the existence of Co in the framework provided acid sites and base sites to the sample. The adsorption kinetic data were modeled through the pseudo-first-order and pseudo-second-order kinetic equations using linear and non-linear methods, and the result demonstrated that the adsorption character of phenol on CoAPO-11 obeyed the pseudo-second-order kinetic model and the adsorption process occurred via film and intra-particle diffusion. The CoAPO-11’s adsorption capacity for phenol was generally positively correlated with its specific surface area and pore volume, and it could reduce the content of phenol in the cigarette smoke by 23%. In addition, it was effective for reducing HCN and croton aldehyde, which evidenced it an excellent multifunctional adsorbent for cigarette smoke.
KeywordsCoAPO-11 Adsorption Phenol Cigarette smoke Kinetics
This work was funded by research grants from the National Natural Science Foundation of China (Grant No. U1202265).
- 12.Pan D, Wang Y, Zhong S, Jiang L (2017) Optimization of Ni-P/APO-11 amorphous catalyst for catalytic hydrogenation of turpentine using response surface methodology. CIESC J 68(6):2376–2385Google Scholar
- 13.Wang ZM, Yan ZF (2003) Skeletal isomerization of butene on Si, Zr-substituted aluminum phosphate zeolites. Acta Phys Chim Sin 19(3):216–220Google Scholar
- 19.Muthuraja K, Kannan C (2013) Kinetic and isotherm studies of removal of metanil yellow dye on mesoporous aluminophosphate molecular sieves. Chem Sci Trans 2(S1):195–201Google Scholar
- 20.International Standard ISO 3308 Routine analytical cigarette-smoking machine—definitions and standard conditionsGoogle Scholar
- 23.Lagergren S (1898) Zur theorie der sogenannten adsorption geloster stoffe. Kungliga Svenska Vetenskapsakademiens Handlingar 24:1–39Google Scholar
- 29.Weber WJ, Morris JC (1963) Kinetics of adsorption on carbon from solution. ASCE Sanit Eng Division J 1(2):1–2Google Scholar
- 36.Liu G, Yang L-X, Wu S-J, Jia M-J, Zhang W-X (2014) influence of acid-base properties of K-loaded aluminophosphate catalysts on their catalytic behavior in the O-methylation of catechol. Acta Phys Chim Sin 30(6):1163–1168Google Scholar