关于热力学计算和吸附自发性的讨论re Ofudje等. (2023) 年的2023) 年

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Xueyong Zhou¹, Xin Yu¹, Rehanguli Maimaitiniyazi¹

¹Shanxi Engineering Research Center of Microbial Application Technologies, School of Life Science, Shanxi Normal University, Shanxi Taiyuan, 030000, China.

|April 26, 2024

概括

在对离子吸附到化学合成阿帕 (CHAp) 的热力学计算中发现了错误. 纠正这些错误证实吸附过程是自发的,对污染的补救有益.

科学领域:

环境科学环境科学
材料科学材料科学材料科学
物理化学物理化学

背景情况:

准确的热力学计算对于科学知识的传播至关重要.
欧福杰和其他人. (2023) 报告了通过化学合成的酸盐 (CHAp) 进行优异的离子吸附.
在热力学参数计算中的潜在错误由Ofudje等. 需要纠正.

研究的目的:

为了纠正离子吸附到CHAp上的热力学计算.
重新评估吸附过程的自发性.
为计算标准吸附平衡常数和热力学参数提供正确的方法.

主要方法:

批判性地分析Ofudje等人使用的方法. 用于热力学计算.
确定和纠正在热力学计算中使用尺寸分区系数 (K) 的情况.
解决报告中的吸附剂质量 (m) 值不一致的问题.
重计算标准吸附平衡常数 (K°),标准吉布斯自由能量变化 (ΔG°),标准变化 (ΔH°) 和标准变化 (ΔS°).

主要成果:

与尺寸的分区系数 (K) 不适合用于热力学计算.
不一致的吸附剂质量值导致K°和ΔG°计算的不准确.
经过校正后,计算的ΔG°是负的,表明自发吸附.
经过校正的热力学参数证实了CHAp对修复的有效性.

结论:

离子对CHAp的吸附是一种自发的过程.
正确的热力学计算对于准确评估吸附过程至关重要.
本讨论提供了对吸附研究的热力学计算的修订方法,增强对吸附自发性及其在环境修复中的应用的理解.

关键词:

维度维度是一个维度.分割系数的分配系数这是自发性.标准吸附平衡常数是标准的吸附平衡常数.热力学参数热力学参数

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