Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO<sub>2</sub>-supported catalysts

JIANG Wenshuo; CHEN Ying; SUN Wenjing; YU Danyang; XUE Weiyang; YAO Chenxing; HE Songbo

doi:10.11949/0438-1157.20260162

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Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO₂-supported catalysts

更新时间：2026-06-16

- Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO₂-supported catalysts
- CIESC Journal (2026)
- 作者机构：
  
  1.中国科学院大连化学物理研究所环境催化工程研究组，辽宁大连 116023
  2.中国科学院大学，北京 100049
  3.南京工业大学可循环碳联合实验室，江苏南京 211816
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20260162
  CLC： X 703;O 643.32
- Received：02 February 2026，
  
  Revised：2026-06-15，
  
  Accepted：16 June 2026，
- 稿件说明：
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JIANG Wenshuo, CHEN Ying, SUN Wenjing, et al. Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO₂-supported catalysts[J/OL]. CIESC Journal, 2026. DOI: 10.11949/0438-1157.20260162.
DOI：

JIANG Wenshuo, CHEN Ying, SUN Wenjing, et al. Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO₂-supported catalysts[J/OL]. CIESC Journal, 2026. DOI: 10.11949/0438-1157.20260162. DOI：

摘要

制浆造纸污泥快速热解产生的热解液中的水相产物（简称“生物水相”）富含多种含氧化合物，是一种潜在的可再生碳源，但目前缺乏高效的高值化利用方法。本研究针对生物水相的水质特征，创新性的采用催化湿式氧化技术（CWAO）将其定向转化为高附加值的生物基乙酸。系统考察了CWAO体系中M/ZrO

催化剂（M = Pt、Ru、Pd、Fe、Co、Ni）制备乙酸的催化反应性能，并采用响应曲面法对反应条件进行了优化。Pd/ZrO

展现出优异的催化性能，在270 °C、2 MPa（氧气分压）、反应4小时条件下，产物中乙酸纯度高达92.6%，实验值与模型预测值偏差仅为1.3%。本研究为生物质热化学转化产生的生物水相的资源化利用开辟了一条新途径，展示了CWAO技术在生物基乙酸制备方面的巨大潜力。

Abstract

The bio-aqueous phase in the pyrolysis liquid produced during the fast pyrolysis of paper sludge is rich in various oxygenated compounds

making it a potential renewable carbon source. However

efficient and high-value utilization methods are currently lacking. In this study

the bio-aqueous phase is innovatively converted into high-value bio-based acetic acid through catalytic wet air oxidation (CWAO) technology. The catalytic performance of M/ZrO

catalysts (M = Pt

and Ni) for acetic acid production in the CWAO system was systematically studied. The reaction conditions were optimized by response surface methodology. Pd/ZrO

showed excellent catalytic performance at 270°C

an oxygen partial pressure of 2 MPa

and a reaction time of 4 hours. The acetic acid purity

in the product reached 92.6%

with only a 1.3% deviation between the experimental and predicted values. This study provides a new approach for the resource utilization of the bio-aqueous phase generated from the thermochemical conversion of biomass

demonstrating the potential of CWAO technology for the production of bio-based acetic acid.

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references

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Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO2-supported catalysts

DOI：10.11949/0438-1157.20260162

摘要

Abstract

关键词

Keywords

references

Catalytic wet air oxidation of biomass pyrolysis liquid to produce bio-based acetic acid over ZrO₂-supported catalysts