利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究

孙燕; 蓝际荣; 郭莉; 孙朋; 叶恒朋; 杜冬云; 占伟

doi:10.11949/j.issn.0438-1157.20181536

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利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究

材料化学工程与纳米技术 | 更新时间：2026-07-24

- 利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究
- Preparation of As(Ⅲ) adsorbent material by electrolytic manganese slag and its properties
- 化工学报 2019年70卷第6期页码：2377-2385
- 作者机构：
  
  1.中南民族大学资源与环境学院，湖北省重金属污染防治工程技术研究中心，湖北武汉430074
  2.民族地区资源绿色转化与利用国家民委-教育部重点实验室，湖北武汉430074
- 作者简介：
  
  孙燕（1994—），女，硕士研究生，YanSun0123@163.com
  杜冬云（1963—），男，博士，教授，dydu666@mail.scuec.edu.cn
- 基金信息：
  
  国家科技支撑计划项目(2015BAB01B03);中南民族大学中央高校项目(CZT18022)
- DOI：10.11949/j.issn.0438-1157.20181536
  中图分类号： X 75
- 收稿：2019-01-02，
  
  修回：2019-03-07，
  
  网络首发：2020-06-15，
  
  纸质出版：2019-06-05
- 稿件说明：
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孙燕, 蓝际荣, 郭莉, 孙朋, 叶恒朋, 杜冬云, 占伟. 利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究[J]. 化工学报, 2019, 70(6): 2377-2385

SUN Yan, LAN Jirong, GUO Li, SUN Peng, YE Hengpeng, DU Dongyun, ZHAN Wei. Preparation of As(Ⅲ) adsorbent material by electrolytic manganese slag and its properties[J]. CIESC Journal, 2019, 70(6): 2377-2385
孙燕, 蓝际荣, 郭莉, 孙朋, 叶恒朋, 杜冬云, 占伟. 利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究[J]. 化工学报, 2019, 70(6): 2377-2385 DOI： 10.11949/j.issn.0438-1157.20181536.

SUN Yan, LAN Jirong, GUO Li, SUN Peng, YE Hengpeng, DU Dongyun, ZHAN Wei. Preparation of As(Ⅲ) adsorbent material by electrolytic manganese slag and its properties[J]. CIESC Journal, 2019, 70(6): 2377-2385 DOI： 10.11949/j.issn.0438-1157.20181536.

摘要

通过对工业废弃物电解锰渣(electrolytic manganese residues

EMRs)进行改性制备As(Ⅲ)吸附材料（改性EMRs），探究了NaOH用量、超声及微波对其表面结构及吸附性能的影响。结果表明：该工业废渣在固液比

(EMRs)∶

(NaOH

aq) = 1∶10(

NaOH，aq

= 2.0 mol·L

-1

)条件下，经超声反应（200 W）2 h脱除大部分Si、S、Ca后，再微波（700 W）反应5 min以使Fe、Mn等活性吸附基团在其表面沉积，最后经105℃烘干制得改性EMRs。SEM结果表明，EMRs改性后表面形成片层纳米结构，对砷具有良好的吸附性能，可将初始As(Ⅲ)浓度为50 mg·L

-1

废水出水中砷降至0.042 mg·L

-1

，符合国家地表水环境质量标准Ⅰ类水质量要求(GB 3838—2002)；同时，经3% NaOH溶液再生处理后可继续使用。XPS结果表明，改性EMRs吸附砷性能与其表面Fe

、FeOOH、MnO

等对As(Ⅲ)具有吸附作用或氧化作用的活性物种的增多密切相关。

Abstract

As(Ⅲ) adsorbent (called modified EMRs) was prepared by modifying the industrial waste electrolytic manganese residues (EMRs). The effects of NaOH dosage

ultrasonic and microwave on its surface structure and adsorption performance were investigated. The results showed that most of the Si

S and Ca were removed by ultrasonic reaction (200 W) for 2 h with solid-liquid ratio

(EMRs)∶

(NaOH

aq) = 1∶10 (

NaOH

= 2.0 mol·L

-1

). Fe

Mn and other active adsorption groups were deposited on the surface after

the microwave (700 W) was reacted for 5 min. Finally

the adsorbent dried at 105℃. The SEM results show that the surface of the material has a lamellar nanostructure and good adsorption performance for arsenic. The initial As(Ⅲ) concentration of 50 mg·L

-1

wastewater effluent can be reduced to 0.042 mg·L

-1

. The national surface water environmental quality standard Class I water quality requirements (GB 3838—2002)

at the same time

can be continued after being regenerated by 3% NaOH solution. XPS results show that the adsorption of arsenic by modified EMRs is closely related to the increase of active species such as Fe

FeOOH and MnO

on As(Ⅲ) adsorption or oxidation.

关键词

Keywords

references

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