Kinetics and mechanism of oil and oil products sorption from water surface onto pyrolyzed waste biomass

被引：0
作者：
Uzunova, S. A. [1 ]
Uzunov, I. M. [2 ]
Mehandjiev, D. R. [2 ]
Toteva, V. B. [1 ]
机构：
[1] Univ Chem Technol & Met Sofia, Sofia 1756, Bulgaria
[2] Bulgarian Acad Sci, Inst Gen & Inorgan Chem, BU-1113 Sofia, Bulgaria
来源：
BULGARIAN CHEMICAL COMMUNICATIONS | 2015年 / 47卷 / 04期
关键词：
Rice husks; Pyrolysis; Oil spills; Sorption; Kinetics; RICE HUSK ASH; AGRICULTURAL BY-PRODUCTS; LIQUID-PHASE ADSORPTION; METAL-IONS; ACTIVATED CARBONS; LEAD(II) IONS; HEAVY-METALS; REMOVAL; BIOSORBENT; SORBENT;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In the present study an attempt was made to describe the kinetics and mechanism of oil and oil products sorption from aqueous surface on pyrolyzed rice husks. The pseudo-first order and second order kinetic models, Elovich equation and intraparticle diffusion model were applied to describe the kinetics and estimate the rate-limiting stage of the process. The best-fit model was selected based on the linear regression method. The effect of the sorbent granulometry, the density of oil pollutants and the presence of surface functionalities on sorption kinetics was investigated.
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收藏
页码：985 / 994
页数：10
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