Research on treatment efficiency of Jiang-flavor Baijiu wastewater by advanced oxidation processes

LI Hanyang; ZHANG Jinxin; JI Qiuyan; XU Shujiao; TIAN Tian; LIAO Lei; JIANG Weiyu; WAN Deqiang; Sun Ziqian; JIN Ruofei; ZHOU Jiti

doi:10.13205/j.hjgc.202610012

Volume 44 Issue 10

Oct. 2026

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2026 > 44(10): 116-125

LI Hanyang, ZHANG Jinxin, JI Qiuyan, XU Shujiao, TIAN Tian, LIAO Lei, JIANG Weiyu, WAN Deqiang, Sun Ziqian, JIN Ruofei, ZHOU Jiti. Research on treatment efficiency of Jiang-flavor Baijiu wastewater by advanced oxidation processes[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(10): 116-125. doi: 10.13205/j.hjgc.202610012

Citation:

LI Hanyang, ZHANG Jinxin, JI Qiuyan, XU Shujiao, TIAN Tian, LIAO Lei, JIANG Weiyu, WAN Deqiang, Sun Ziqian, JIN Ruofei, ZHOU Jiti. Research on treatment efficiency of Jiang-flavor Baijiu wastewater by advanced oxidation processes[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(10): 116-125. doi: 10.13205/j.hjgc.202610012

Citation:

LI Hanyang, ZHANG Jinxin, JI Qiuyan, XU Shujiao, TIAN Tian, LIAO Lei, JIANG Weiyu, WAN Deqiang, Sun Ziqian, JIN Ruofei, ZHOU Jiti. Research on treatment efficiency of Jiang-flavor Baijiu wastewater by advanced oxidation processes[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(10): 116-125. doi: 10.13205/j.hjgc.202610012

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Research on treatment efficiency of Jiang-flavor Baijiu wastewater by advanced oxidation processes

doi: 10.13205/j.hjgc.202610012

1. School of Environment, Dalian University of Technology, Dalian 116024, China;
2. China Power Engineering Consulting Group Co., Ltd., Beijing 100029, China;
3. Hunan Electric Power Design Institute Co., Ltd., China Energy Engineering Group, Changsha 410007, China

Received Date: 2026-04-13
Available Online: 2026-11-10

Abstract

Abstract

The treatment performance of three advanced oxidation processes （Fenton oxidation， electrochemical catalytic oxidation， and ozone catalytic oxidation） on the secondary effluent of a Jiang-flavor （Moutai-flavor） Baijiu wastewater treatment process was comparatively investigated， with a focus on the transformation patterns of nitrogen species. All three processes exhibited a certain capacity to degrade organic pollutants. Among them， ozone catalytic oxidation demonstrated the best comprehensive performance. Under the conditions of pH of 8 to 10， O₃ concentration of 66 g/Nm³， a catalyst-to-wastewater volume ratio of （0.5 to 1）∶1， and a reaction time of 150 min， the removal efficiencies of COD and UV₂₅₄ reached 89.50% and 96.08%， respectively. The B/C ratio of the wastewater increased from 0.1 below to 0.69， indicating a significant improvement in biodegradability. The three processes exhibited distinct nitrogen transformation pathways： ozone catalytic oxidation converted most of the refractory organic nitrogen into NH₄⁺-N and NO₃^--N； Fenton oxidation and electrochemical catalytic oxidation mainly transformed organic nitrogen into NH₄⁺-N， without further nitrification. Advanced oxidation processes converted refractory organic nitrogen into NH₄⁺-N and NO₃^--N， providing a basis for the selection and implementation of a combined “chemical pre-oxidation + biological treatment” advanced treatment process. Component characterization showed that the secondary treated effluent was mainly composed of humic and fulvic acids， while also containing some lignin derivatives and nitrogen heterocyclic substances possibly derived from the Maillard reaction， all of which were significantly degraded by ozone catalytic oxidation.
- Jiang-flavor Baijiu wastewater,
- secondary biochemical effluent,
- advanced oxidation,
- advanced treatment,
- refractory organic matter

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References(35)

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