Prediction of carbon dioxide absorption data in mixed amino acid salt solution by neural network time series method

XIONG Haochen; QIN Jiamin; WU Xining; ZHAO Guoqing; NIE Yan; XU Long

doi:10.12434/j.issn.2097-2547.20240505

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Prediction of carbon dioxide absorption data in mixed amino acid salt solution by neural network time series method

更新时间：2025-10-22

- Prediction of carbon dioxide absorption data in mixed amino acid salt solution by neural network time series method
- Vol. 50, Issue 10, Pages: 117-125(2025)
- 作者机构：
  
  西北大学化工学院，碳氢资源清洁利用国际科技合作基地，陕北能源先进化工利用技术教育部工程研究中心，陕西省洁净煤转化工程技术研究中心，陕北能源化工产业发展协同创新中心，陕西西安 710127
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240505
  CLC： TQ028
- Received：20 December 2024，
  
  Revised：2025-02-14，
  
  Published：25 October 2025
- 稿件说明：
移动端阅览
熊昊晨,秦佳敏,武西宁等.神经网络时间序列方法对混合氨基酸盐溶液二氧化碳吸收数据预测[J].低碳化学与化工,2025,50(10):117-125.

XIONG Haochen,QIN Jiamin,WU Xining,et al.Prediction of carbon dioxide absorption data in mixed amino acid salt solution by neural network time series method[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(10):117-125.
熊昊晨,秦佳敏,武西宁等.神经网络时间序列方法对混合氨基酸盐溶液二氧化碳吸收数据预测[J].低碳化学与化工,2025,50(10):117-125. DOI： 10.12434/j.issn.2097-2547.20240505.

XIONG Haochen,QIN Jiamin,WU Xining,et al.Prediction of carbon dioxide absorption data in mixed amino acid salt solution by neural network time series method[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(10):117-125. DOI： 10.12434/j.issn.2097-2547.20240505.

摘要

氨基酸盐溶液作为二氧化碳吸收剂具有吸收速率快、吸收负荷大和毒性低等优点，是二氧化碳捕集领域的研究热点之一。以质量分数分别为15%、15%和5%的N-甲基二乙醇胺（MDEA）、乙醇胺和赖氨酸钾组成的混合氨基酸盐溶液作为二氧化碳吸收剂，利用基于反向传播（BP）算法的神经网络时间序列方法对该吸收剂在400 min内、不同温度下的二氧化碳吸收数据进行预测，并将预测数据与实验数据进行了对比。结果表明，预测模型的最优超参数为输入层-隐含层-输出层4-7-1、初始阻尼因子0.05、Tansig函数作激活函数，采用Levenberg-Marquardt算法迭代的粒子群（PSO）-BP神经网络算法。在对数据进行多次模拟后，该预测模型的平均均方误差为1.8289 × 10

-11

。在所得最优超参数下，使用验证组在验证组+训练组中占比为70%、决定系数为0.9836的模型进行预测时，在400 min、40 ℃下，吸收负荷预测数据与实验数据的最大相对误差为2.031%。

Abstract

Amino acid salt solutions

as carbon dioxide absorbents

have garnered significant attention in the field of CO

capture due to their advantages of rapid absorption rate

high absorption capacity

and low toxicity. Using the mixed amino acid salt solution with mass fraction of 15% N-methyldiethanolamine (MDEA)

15% monoethanolamine

and 5% potassium lysine

respectively

as the CO

absorbent

a neural network time series method based on backpropagation (BP) algorithm was utilized to predict CO

absorption data under varying temperatures during 400 min

and the predicted data was systematically compared with experimental data. The results show that the optimal hyperparameters for the prediction model are as follows: 4-7-1 architecture for input-hidden-output layers

initial damping factor of 0.05

Tansig function as activation function

and the algorithm of Particle Swarm Optimization (PSO)-BP neural network algorithm integrated with Levenberg-Marquardt iterative optimization. After multiple data simulations

the model achieves an average mean squared error of 1.8289 × 10

-11

. With the optimal hyperparameters

using the model with the verification group proportion of 70% in verification group and training group and the determination coefficient of 0.9836

the maximum relative error between predicted and experimental absorption capacity values reaches 2.031% at 40 °C during 400 min.

关键词

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