固液吸附等温线模型与热力学参数计算

doi:10.19677/j.issn.1004-7964.2023.06.006

皮革科学与工程 ›› 2023, Vol. 33 ›› Issue (6): 36-43.doi: 10.19677/j.issn.1004-7964.2023.06.006

固液吸附等温线模型与热力学参数计算

李佶衡, 彭良琼, 郭丽君, 张文华^*

四川大学制革清洁技术国家工程实验室,四川成都 610065

收稿日期:2023-03-24 出版日期:2023-12-01 上线日期:2023-11-14
通讯作者: *张文华(1968-),女,教授,博士生导师,研究方向为制革清洁生产基础理论。E-mail: zhangwh@scu.edu.cn。
作者简介:李佶衡(1999-),男,硕士研究生,研究方向为鞣制机理。E-mail: 876948508@qq.com。
基金资助:
国家自然科学基金项目( 22278278)

Solid-liquid Adsorption Isotherm Model and Thermodynamic Parameter Calculation

LI Jiheng, PENG Liangqiong, GUO Lijun, ZHANG Wenhua^*

National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China

Received:2023-03-24 Online:2023-12-01 Published:2023-11-14

摘要/Abstract

摘要： 吸附法由于操作方便和价格便宜,广泛应用于分离与纯化领域。吸附等温线模型是理解吸附机理的重要方法,吸引了无数研究人员针对不同吸附体系不断建模和修正。论文收集了13种液相常用的吸附等温线模型,综述了其相关定义以及近十年相关工作的典型例子,并按照提出模型时表面结构和活性位分布的均匀性分类,以便查阅。此外,探讨了用这些模型的模型常数计算吸附过程热力学参数的合理性,以及模型平衡常数的量纲对热力学参数计算的影响。

关键词: 固液吸附, 等温线模型, 吸附热力学

Abstract: The adsorption method is widely used in the field of separation and purification due to its convenient operation and low cost. Adsorption isotherm model is an important method to understand the adsorption mechanism, which has attracted numerous researchers to continuously model and modify different adsorption systems. This paper collected 13 kinds of commonly used adsorption isotherm models for liquid phase, reviewed their relevant definitions and typical examples of relevant work in the past decade, and classified them according to the uniformity of surface structure and active site distribution when the models were proposed for reference. In addition, the rationale of using the model constants of these models to calculate the thermo- dynamic parameters of the adsorption process and the influence of the dimension of the model equilibrium constant on the calculation of thermodynamic parameters were discussed.

Key words: solid-liquid adsorption, isotherm model, adsorption thermodynamics

中图分类号:

TS193.11

李佶衡, 彭良琼, 郭丽君, 张文华. 固液吸附等温线模型与热力学参数计算[J]. 皮革科学与工程, 2023, 33(6): 36-43.

LI Jiheng, PENG Liangqiong, GUO Lijun, ZHANG Wenhua. Solid-liquid Adsorption Isotherm Model and Thermodynamic Parameter Calculation[J]. Leather Science and Engineering, 2023, 33(6): 36-43.

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固液吸附等温线模型与热力学参数计算

Solid-liquid Adsorption Isotherm Model and Thermodynamic Parameter Calculation

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