Porous Structure of Soybean and its Adsorption Characteristics on Neutral Red Dye and Heavy Metal Ions

Huang Jin-hua; Lu Sheng-guo

doi:10.12052/gdutxb.210042

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Porous Structure of Soybean and its Adsorption Characteristics on Neutral Red Dye and Heavy Metal Ions

更新时间：2026-05-27

- Porous Structure of Soybean and its Adsorption Characteristics on Neutral Red Dye and Heavy Metal Ions
- Vol. 39, Issue 6, Pages: 107-113(2022)
- 作者机构：
  
  1. 广东工业大学材料与能源学院,广东,广州,510006
  2. 广东省智能材料和能量转化器件工程技术研究中心,广东,广州,510000
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.210042
  CLC： X52;X703
- Online First：10 November 2022，
  
  Published：2022
- 稿件说明：
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黄金花, 鲁圣国. 多孔黄豆对中性红染料及重金属的去除性能研究[J]. 广东工业大学学报, 2022, 39(6): 107-113.

Huang Jin-hua, Lu Sheng-guo. Porous Structure of Soybean and its Adsorption Characteristics on Neutral Red Dye and Heavy Metal Ions[J]. 2022, 39(6): 107-113.
黄金花, 鲁圣国. 多孔黄豆对中性红染料及重金属的去除性能研究[J]. 广东工业大学学报, 2022, 39(6): 107-113. DOI： 10.12052/gdutxb.210042.

Huang Jin-hua, Lu Sheng-guo. Porous Structure of Soybean and its Adsorption Characteristics on Neutral Red Dye and Heavy Metal Ions[J]. 2022, 39(6): 107-113. DOI： 10.12052/gdutxb.210042.

摘要

在一定温度下对黄豆进行热处理使其呈现有序孔结构，并运用静态吸附法和傅里叶变换红外(Fourier Transform Infrared，FTIR) 光谱研究其对中性红(Neutral Red，NR) 染料和重金属离子的去除性能。本文主要研究了溶液初始物质的量浓度对吸附效果的影响、溶液初始pH值对吸附效果的影响和吸附的动力学过程。实验表明：在弱酸至弱碱性范围内，样品对中性红的吸附效果较好，并且在pH=7时最佳；溶液初始物质的量浓度也是影响吸附量的一个重要因素；在吸附过程中，吸附剂和吸附质接触的最初20 min内去除率在80%以上。通过拟合发现黄豆对中性红染料的吸附行为更加符合准二级动力学模型。此材料成本低廉、方便易得、对人类友好，同时吸附性能好，是一种有应用前景的环境净化材料。

Abstract

Through mild heat treatment of soybeans at an elevated temperature

soybeans show an ordered porous structure

then the static adsorption method and FTIR analysis are used to study the adsorption of neutral red dyes and heavy metal ions. The research contents mainly include: the influence of initial concentration and the initial pH value on the adsorption

and the adsorption kinetic process. It is observed that in the range of acid to weak alkali

the removal rate to neutral red dye is better than other pH value range

and best when the pH is equal to 7. The initial concentration on the adsorption is also an important factor affecting the removal rate and adsorption capacity. At the same time

the removal rate of the adsorbent and the adsorbate in the first 20 minutes of contact is above 80% during the adsorption process. By fitting

the adsorption behavior is more consistent with the quasi-second-order kinetic model. Porous soybean is not only friendly to human beings

but also demonstrates the advantages of high adsorption capacity and low cost. Therefore

it will be a promising environmental cleaning material .

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references

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