Adsorption kinetics mechanism optimized by artificial neural network

IF 2.218 Q2 Chemistry
Djebbar Mustapha , Thenia Ahmed
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引用次数: 1

Abstract

Salicylic acid removal by clay was investigated. Isotherms and adsorption kinetics have been optimized to calculate retentions. Experiments for determining the adsorption isotherms were reviewed, including the effect of pH variation and initial salicylic acid concentration.

The results were modeled using the artificial neural network (ANN) and the pseudo-first and second order. We used MATLAB software to determine the test, validation, and overall regression value.

The experimental results of the global reaction have non-significant regression coefficients which are adjustable to the pseudo-second order. One of the crucial tasks in the creation of the AAN model is optimizing each of these variables. Salicylic acid adsorption tests at different initial concentrations on natural and treated clay were carried out for 60 min. Mean square error (MSE) data were utilized to determine the ideal number of neurons in the current study, which optimized the hidden layer's number of neurons to 15 for each layer. The ANN model optimized above matches salicylic acid adsorption on Clay better than the Pseudo Second-order, as seen by all the regression values being near to 1.

Abstract Image

人工神经网络优化吸附动力学机理
摘要对粘土法去除水杨酸进行了研究。对等温线和吸附动力学进行了优化,以计算保留量。综述了测定吸附等温线的实验,包括pH变化和初始水杨酸浓度的影响。采用人工神经网络(ANN)和伪一、二阶模型对结果进行建模。我们使用MATLAB软件来确定测试、验证和总体回归值。整体反应的实验结果具有不显著的回归系数,可调到伪二阶。创建AAN模型的关键任务之一是优化这些变量。不同初始浓度的水杨酸在天然和处理过的粘土上吸附60 min。利用均方误差(Mean square error, MSE)数据确定本研究中理想的神经元数量,将隐藏层的神经元数量优化为每层15个。上述优化的人工神经网络模型与粘土上水杨酸的吸附比伪二阶模型更匹配,所有回归值都接近于1。
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来源期刊
Chemical Data Collections
Chemical Data Collections Chemistry-Chemistry (all)
CiteScore
6.10
自引率
0.00%
发文量
169
审稿时长
24 days
期刊介绍: Chemical Data Collections (CDC) provides a publication outlet for the increasing need to make research material and data easy to share and re-use. Publication of research data with CDC will allow scientists to: -Make their data easy to find and access -Benefit from the fast publication process -Contribute to proper data citation and attribution -Publish their intermediate and null/negative results -Receive recognition for the work that does not fit traditional article format. The research data will be published as ''data articles'' that support fast and easy submission and quick peer-review processes. Data articles introduced by CDC are short self-contained publications about research materials and data. They must provide the scientific context of the described work and contain the following elements: a title, list of authors (plus affiliations), abstract, keywords, graphical abstract, metadata table, main text and at least three references. The journal welcomes submissions focusing on (but not limited to) the following categories of research output: spectral data, syntheses, crystallographic data, computational simulations, molecular dynamics and models, physicochemical data, etc.
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