竹制生物炭负载TiO<sub>2</sub>-SnO<sub>2</sub>电化学处理焦化废水

张婷婷; 刘永军; 周成涛; 董欣; 刘嘉晨

doi:10.11949/0438-1157.20200347

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竹制生物炭负载TiO₂-SnO₂电化学处理焦化废水

能源和环境工程 | 更新时间：2026-07-24

- 竹制生物炭负载TiO₂-SnO₂电化学处理焦化废水
- TiO₂-SnO₂ coated bamboo biochar for electrochemical treatment of coking wastewater
- 化工学报 2020年71卷第12期页码：5793-5801
- 作者机构：
  
  1.西安建筑科技大学环境与市政工程学院，陕西西安 710055
  2.西安建筑科技大学西北水资源与环境生态教育部重点实验室，陕西西安 710055
  3.中铁二十局集团第六工程有限公司，陕西西安 710032
  4.内蒙古科技大学，内蒙古包头 014010
- 作者简介：
  
  张婷婷（1987—），女，博士研究生，tingtingzhang999@163.com
  刘永军（1969—），男，博士，教授，liuyongjun@xauat.edu.cn
- 基金信息：
  
  国家自然科学基金项目(51978559);陕西省重点研发项目(2019ZDLSF05-06)
- DOI：10.11949/0438-1157.20200347
  中图分类号： X 784
- 收稿：2020-04-01，
  
  修回：2020-06-04，
  
  网络首发：2020-12-17，
  
  纸质出版：2020-12-05
- 稿件说明：
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张婷婷, 刘永军, 周成涛, 董欣, 刘嘉晨. 竹制生物炭负载TiO₂-SnO₂电化学处理焦化废水[J]. 化工学报, 2020, 71(12): 5793-5801 DOI: 10.11949/0438-1157.20200347.

ZHANG Tingting, LIU Yongjun, ZHOU Chengtao, DONG Xin, LIU Jiachen. TiO₂-SnO₂ coated bamboo biochar for electrochemical treatment of coking wastewater[J]. CIESC Journal, 2020, 71(12): 5793-5801 DOI: 10.11949/0438-1157.20200347.
张婷婷, 刘永军, 周成涛, 董欣, 刘嘉晨. 竹制生物炭负载TiO₂-SnO₂电化学处理焦化废水[J]. 化工学报, 2020, 71(12): 5793-5801 DOI: 10.11949/0438-1157.20200347. DOI：

ZHANG Tingting, LIU Yongjun, ZHOU Chengtao, DONG Xin, LIU Jiachen. TiO₂-SnO₂ coated bamboo biochar for electrochemical treatment of coking wastewater[J]. CIESC Journal, 2020, 71(12): 5793-5801 DOI: 10.11949/0438-1157.20200347. DOI：

摘要

制备了一种新型竹制生物炭负载TiO

-SnO

的颗粒电极，采用SEM、FT-IR、BET及XRD对其进行表征，并对其在三维电化学系统中处理焦化废水的性能进行了研究。结果表明：竹制生物炭拥有致密的微孔空间结构，改性后其表面和内部存在大量的Ti-Sn氧化物；在电流密度为30 mA/cm

，经过150 min电解处理后，焦化废水的COD去除率达到73.96%，DOC去除率达到66.72%，UV

254

由6.65 cm

-1

降至3.00 cm

-1

；三维荧光光谱结果表明：焦化废水中大部分有机化合物和可溶性微生物副产物被降解和转化。Ti、Sn的加入提高了颗粒电极电氧化、电吸附和电催化的性能，改善了焦化废水的处理效果。此外，本研究为电化学氧化法处理焦化废水的工程实践提供了基础研究的可能性。

Abstract

A new type of bamboo biochar (BC) loaded TiO

-SnO

particle electrode was prepared and characterized by SEM

FT-IR

BET and XRD for efficient treatment of the coking wastewater in a three-dimensional electrochemical reaction system(3DERs). The results showed that bamboo biochar had a dense microporous space structure

and a significant amount of Ti-Sn oxides existed on the surface and in the interior of the BC. The removal rates of COD and DOC in coking wastewater reached to 73.96% and 66.72% respectively

and UV

254

reduced from 6.65 cm

-1

to 3.00 cm

-1

by the electrolysis treatment of 150 min at the current density of 30 mA/cm

. The three-dimensional fluorescence spectra indicated that the most of the soluble organic compounds and soluble microbial by-products were degraded and transformed. Th

e addition of Ti and Sn enhanced the efficacy of the electrooxidation

electro-adsorption and electrocatalytic behavior of the BC particle electrodes

which improved the treatment effect on coking wastewater in the 3DERs. In addition

this study provides the possibility of basic research for the engineering practice of electrochemical oxidation treatment of coking wastewater.

关键词

Keywords

references

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竹制生物炭负载TiO2-SnO2电化学处理焦化废水

TiO2-SnO2 coated bamboo biochar for electrochemical treatment of coking wastewater

DOI：10.11949/0438-1157.20200347

摘要

Abstract

关键词

Keywords

references

竹制生物炭负载TiO₂-SnO₂电化学处理焦化废水

TiO₂-SnO₂ coated bamboo biochar for electrochemical treatment of coking wastewater