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Research on degradation of methyl orange wastewater with triboelectric nanogenerator (TENG) driven by secondary effluent
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Hong-mei MA1, 2, 3, Jia-jie HU4, Bei-dou XI1, 5, *, Yong-zhi CHEN1, 3, Jie LUO1, 3, Yong-hui ZHANG1, 3
China Environmental Science | 2026, 46(3) : 1367 - 1375
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China Environmental Science | 2026, 46(3): 1367-1375
• Water Pollution Control •
Research on degradation of methyl orange wastewater with triboelectric nanogenerator (TENG) driven by secondary effluent
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Hong-mei MA1, 2, 3, Jia-jie HU4, Bei-dou XI1, 5, *, Yong-zhi CHEN1, 3, Jie LUO1, 3, Yong-hui ZHANG1, 3
Affiliations
  • 1.School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
  • 2.Northwest Minzu University, Lanzhou 730030, China
  • 3.Technical Center of Sewage Treatment Industry in Gansu, Lanzhou 730070, China
  • 4.Jiuquan Economic Development Zone of Operation and Management (Group) Co., Ltd., Jiuquan 735008, China
  • 5.State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Published: 2026-03-20
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The triboelectric nanogenerator (TENG), which was constructed of indium tin oxide (ITO), polytetrafluoroethylene (PTFE), and conductive aluminum tape, was utilized in this study. It was driven by secondary effluent to generate electricity for degrading methyl orange wastewater. Experimental results showed that a maximum output voltage of 23.52V and a current of 2.15μA were achieved by a single TENG unit. When aluminum, iron, copper, and stainless steel were used as electrodes to treat 40mg/L methyl orange wastewater, decolorization rates of 83.21%, 82.88%, 75.27%, and 51.38% were obtained respectively. With aluminum electrodes, decolorization rates exceeding 80% were achieved for methyl orange concentrations<60mg/L, but they declined gradually for methyl orange concentrations>60mg/L, and only 27.85% was reached at 150mg/L. When the number of TENG units was increased from one to six, the decolorization rate was increased from 85.05% to 91.05%. The degradation process was fitted to the first-order kinetic equation: ln(C0/Ct) = 0.027t-0.0815.

triboelectric nanogenerator (TENG)  /  secondary effluent  /  methyl orange wastewater degradation  /  decolorization rate
马红梅, 胡佳杰, 席北斗, 陈永志, 罗杰, 张永辉. 二沉出水驱动摩擦纳米发电降解甲基橙废水实验研究. 中国环境科学, 2026 , 46 (3) : 1367 -1375 .
Hong-mei MA, Jia-jie HU, Bei-dou XI, Yong-zhi CHEN, Jie LUO, Yong-hui ZHANG. Research on degradation of methyl orange wastewater with triboelectric nanogenerator (TENG) driven by secondary effluent[J]. China Environmental Science, 2026 , 46 (3) : 1367 -1375 .
Appendix
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Year 2026 volume 46 Issue 3
95
17
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Article Info
  • Receive Date：2025-07-28
  • Online Date：2026-10-08
  • Published：2026-03-20
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History
  • Received：2025-07-28
Funding
Affiliations
    1.School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
    2.Northwest Minzu University, Lanzhou 730030, China
    3.Technical Center of Sewage Treatment Industry in Gansu, Lanzhou 730070, China
    4.Jiuquan Economic Development Zone of Operation and Management (Group) Co., Ltd., Jiuquan 735008, China
    5.State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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