中国农业期刊集成服务平台

当前位置: 首页 > 文章 > 预处理废报纸对水中甲基蓝的吸附特性湖北农业科学 2016,55 (4) 877-880+907

Position: Home > Articles > Adsorption Characteristic of Methylene Blue in Aqueous Solution by Pretreated Waste Newspaper Hubei Agricultural Sciences 2016,55 (4) 877-880+907

预处理废报纸对水中甲基蓝的吸附特性

作者：

张伟明;张凯镝;黄辉;彭革;陶士英

单位：

宁波工程学院化工学院;宁波诺丁汉大学工程系

关键词：

废报纸;甲基蓝;吸附;热力学;动力学

摘要：

研究了吸附时间、初始染料浓度和吸附温度对吸附能力的影响,考察了相应的吸附动力学、平衡吸附等温线和吸附热力学。结果表明,拟二级吸附动力学方程可以很好地描述废报纸对甲基蓝的吸附过程;粒内扩散模型分两个阶段,说明粒内扩散并非吸附过程中惟一的速率控制步骤;Freundich和Temkin等温线相比于Langmuir等温线更符合吸附平衡数据;吸附热力学数据表明废报纸对甲基蓝是一个自发、放热的物理吸附过程。废报纸吸附剂可以用乙醇脱附再生,经4次循环仍可保持80%以上的吸附能力。

译名：

Adsorption Characteristic of Methylene Blue in Aqueous Solution by Pretreated Waste Newspaper

作者：

ZHANG Wei-ming;ZHANG Kai-di;HUANG Hui;PENG Ge;TAO Shi-ying;School of Chemical Engineering,Ningbo University of Technology;Division of Engineering,University of Nottingham Ningbo China;

关键词：

waste newspaper;;methylene blue;;adsorption;;thermodynamic;;kinetic

摘要：

The adsorption capacity was investigated under various experimental parameters such as contact time, initial dye concentration and temperature. The kinetics,equilibrium and thermodynamic studies were assessed. It was found that adsorption kinetics followed well with the pseudo-second-order equation, and the intraparticle diffusion model showed two steps where intraparticle diffusion was not the only rate controlling step of the adsorption process. The equilibrium data were modeled by Langmuir,Freundlich and Temkin isotherms, which revealed that Freundlich and Temkin isotherms were more suitable to describe the methylene blue adsorption than Langmuir isotherm. The values of thermodynamic parameters demonstrated that the adsorption was a physisorption in a spontaneous and exothermic process. Desorption experiments were conducted, and the adsorbent could be regenerated using ethanol at least four adsorption / desorption cycles, with above 80% recovery.

相似文章

废报纸增强大豆基胶黏剂的制备及耐沸水性能 [程生媛, 殷豪, 陈麦全, 赵建良, 赵丹丹, 陈奶荣] 林业工程学报 2020 (6) 82-87
废报纸生物质炭的制备及对铜离子的吸附性能 [胡蝶, 李文奇, 张利萍, 关莹, 高慧] 浙江农林大学学报 2020,37 (2) 325-334
铅笔史上的新篇章纸杆铅笔 [钱震元] 贵州林业科技 1993 (1) 70-71
自制纸黑板法 [蒙仁生] 农村新技术 1994 (5) 31
废报纸与木质刨花制备复合刨花板的工艺研究 [陈瑞建, 章伟伟, 关丽涛, 古今, 林卫东, 胡传双] 华南农业大学学报 2018 (6) 85-90
抄废纸的底城乡致富 2009 (1) 10-11

导出引用

计量

文章访问数: 9

HTML全文浏览量: 0

PDF下载量: 0

预处理废报纸对水中甲基蓝的吸附特性

相似文章

所属期刊

湖北农业科学

推荐期刊

城乡致富

贵州林业科技