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journal article·2024-12-01Open access

Electrospun PMMA fiber biofilm for the removal of COD and NH3–N in wastewater

Liyun Zhuo, Xinyi Zhang, Jiaxin Jiang, Huatan Chen, Yafen Zheng, Xiang Wang, Wenwang Li, Gaofeng Zheng

AIP Advances· Volume 14· Issue 12
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Source abstract

Abstract

Organic matter and ammonia-nitrogen pollution are the research focuses of sewage purification. PMMA fiber biofilm carriers were prepared using the electrospinning technique and compared with nonwoven fiber biofilm carriers in purification experiments. The two biofilm carriers are bacteria-cultured for several days, and the chemical oxygen demand (COD) and ammonia nitrogen (NH3–N) of the sewage are tested and analyzed. The results showed that after four days of purification, the COD concentration removal rate of the non-woven fiber biofilm group reached 77.89%, and the COD removal rate of the PMMA fiber biofilm group reached 82.70%. After six days of purification, the NH3–N concentration in the non-woven fiber biofilm group did not decrease but increased, from the original 7.64 to 8.74 mg/l, with an increase rate of 13.87%. The NH3–N concentration in the PMMA fiber biofilm group decreased from the original 7.62 to 6.22 mg/l, with a removal rate of 13.87%. It can be seen that the PMMA fiber biofilm carrier has more advantages in the reduction of COD and NH3–N in organic wastewater.
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Research context

OpenAlex topics: Membrane Separation Technologies · Electrospun Nanofibers in Biomedical Applications · Electrohydrodynamics and Fluid Dynamics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

The Higher Educational Key Laboratory for Flexible Manufacturing Equipment Integration of Fujian Province Xiamen Institute of Technology 1 , Xiamen 361021,

School of Mechanical Electrical and Information Engineering, Xiamen Institute of Technology 2 , Xiamen 361021,

Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University 3 , Xiamen 361102,

School of Mechanical and Automotive Engineering, Xiamen University of Technology 4 , Xiamen 361024,

Micro/Nano Intelligent Manufacturing (Xiamen) Innovation Technology Co., Ltd. 5 , Xiamen 361006,

Funding

Natural Science Foundation of Xiamen · National Natural Science Foundation of China · Science and Techology Planning Project of Fujian Province · Science and Technology Planning Project of Xiamen · Scientific Research Foundation of Xiamen Institute of Technology

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