Stable and efficient Ru/TiO<sub>2</sub>-ZrO<sub>2</sub> catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment

YANG Jihao; GENG Lili; YE Songshou; XIE Jianrong; ZHANG Nuowei; CHEN Binghui

doi:10.11949/0438-1157.20200407

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Stable and efficient Ru/TiO₂-ZrO₂ catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment

Catalysis\, kinetics and reactors | 更新时间：2026-07-24

- Stable and efficient Ru/TiO₂-ZrO₂ catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment
- CIESC Journal Vol. 71, Issue 12, Pages: 5561-5567(2020)
- 作者机构：
  
  厦门大学化学化工学院，福建厦门 361005
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20200407
  CLC： TQ 032
- Received：11 April 2020，
  
  Revised：2020-07-06，
  
  Online First：17 December 2020，
  
  Published：05 December 2020
- 稿件说明：
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杨霁豪, 耿莉莉, 叶松寿, 谢建榕, 张诺伟, 陈秉辉. 稳定高效Ru/TiO₂-ZrO₂催化剂处理苯酚磺酸废水[J]. 化工学报, 2020, 71(12): 5561-5567 DOI: 10.11949/0438-1157.20200407.

YANG Jihao, GENG Lili, YE Songshou, XIE Jianrong, ZHANG Nuowei, CHEN Binghui. Stable and efficient Ru/TiO₂-ZrO₂ catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment[J]. CIESC Journal, 2020, 71(12): 5561-5567 DOI: 10.11949/0438-1157.20200407.
杨霁豪, 耿莉莉, 叶松寿, 谢建榕, 张诺伟, 陈秉辉. 稳定高效Ru/TiO₂-ZrO₂催化剂处理苯酚磺酸废水[J]. 化工学报, 2020, 71(12): 5561-5567 DOI: 10.11949/0438-1157.20200407. DOI：

YANG Jihao, GENG Lili, YE Songshou, XIE Jianrong, ZHANG Nuowei, CHEN Binghui. Stable and efficient Ru/TiO₂-ZrO₂ catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment[J]. CIESC Journal, 2020, 71(12): 5561-5567 DOI: 10.11949/0438-1157.20200407. DOI：

摘要

催化湿式氧化（CWAO）技术可高效处理有机废水，但现有催化剂的性能，尤其是其稳定性距工业应用还有很大差距。利用ZrO

对TiO

载体进行掺杂调变，研制出了具有良好稳定性的Ru/TiO

-ZrO

催化湿式氧化催化剂。结果表明， Ru/TiO

催化剂在进行连续5次催化湿式氧化降解苯酚磺酸（phenolsulfonic acid，PSA）废水的反应后，总有机碳（total organic carbon，TOC）转化率由99.1%降低至65.3%；而Ru/TiO

-ZrO

催化剂在Ti/Zr质量比为9∶1~7∶3范围内，能表现出优良的反应性能，在连续5次反应后， TOC转化率稳定保持在90%以上。X射线仪衍射（XRD）、N

吸脱附（BET）、X射线扫描微探针电子能谱仪（XPS）、氢气程序升温还原（H

-TPR）和电感耦合等离子体发射光谱（ICP-OES

）表征结果表明：ZrO

能够进入TiO

的晶格，TiO

-ZrO

固溶体的生成阻止了TiO

由锐钛矿相向金红石相的转变。另外，ZrO

的调变加强了Ru与载体的相互作用，有效抑制了活性金属Ru的流失。稳定的载体结构和良好的抗流失性能是Ru/TiO

-ZrO

催化剂具有优良反应性能的主要原因。

Abstract

Catalytic wet air oxidation (CWAO) technology can efficiently treat organic wastewater

but the performance of existing catalysts

especially its stability

is far from industrial applications. In this study

ZrO

was used to modify TiO

support to form the stable Ru/TiO

-ZrO

catalysts. It was found that the Ru/TiO

-ZrO

catalysts showed excellent performance for catalytic wet air oxidation of phenolsulfonic acid wastewater. They gave high total organic carbon (TOC) conversions (

90%) and remained stable in 5 consecutive running in the Ti/Zr ratio range from 9∶1 to 7∶3. On the other hand

TOC conversion decreased from 99.1% to 65.3% in 5 consecutive cycles for the conventional Ru/TiO

catalyst. The characterization results of XRD

BET

XPS

-TPR and ICP-OES indicated that ZrO

can enter the lattice of TiO

to form TiO

-ZrO

solid solution

which prevented the transformation of TiO

from anatase to rutile. In addition

the modification of ZrO

strengthened the interaction between Ru and the support

which effectively inhibited the leaching of Ru metal. The stable support structure and good anti-loss performance are the main reasons for the excellent reaction performance of Ru/TiO

-ZrO

catalyst.

关键词

Keywords

references

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⁰

Stable and efficient Ru/TiO2-ZrO2 catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment

DOI：10.11949/0438-1157.20200407

摘要

Abstract

关键词

Keywords

references

Stable and efficient Ru/TiO₂-ZrO₂ catalysts for catalytic wet air oxidation of phenolsulfonic acid wastewater treatment