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Anaerobic co-digestion of three commercial bio-plastic bags with food waste: Effects on methane production and microbial community structure by Cheng Yu; Bi Dongsu; Zhang Tao; Jiang Xintong; Chen Ming; Wang Siqi; Shen Zheng; Zhang Yalei is a Environmental Science article available to read on EtoBox.
What is Anaerobic co-digestion of three commercial bio-plastic bags with food waste: Effects on methane production and microbial community structure about?
The emergence of bioplastic bags as a replacement for traditional petroleum-based plastic bags is promising for their simultaneous anaerobic digestion with food waste. In this study, the degradation of three bioplastic bags is evaluated during anaerobic co-digestion with food waste under mesophilic/thermophilic conditions, and the results indicated PBAT/PLA/starch > PLA > PBAT for methane production rate. The PBAT/PLA/starch mixture produced 23.4 ml/g of methane at 55 °C, and the cumulative methane production increased by 28.4 % compared to the control. In addition, the lag time before methane production was reduced by one to four days when anaerobic co-digestion was performed under thermophilic conditions, and the conversion of the bioplastics improved by 9.11–11.2 %. Microscopy further showed obvious physical degradation of the PBAT/PLA/starch material. The FTIR analysis showed that the characteristic peaks of the material at 3320, 2957, and 934 cm−1 decreased significantly after anaerobic fermentation. The biodegradability of the polymer decreased with an increase in the content of the crystalline area in the structure. The addition of a comonomer reduced the crystallinity of th
Who reads Anaerobic co-digestion of three commercial bio-plastic bags with food waste: Effects on methane production and microbial community structure?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Cheng Yu; Bi Dongsu; Zhang Tao; Jiang Xintong; Chen Ming; Wang Siqi; Shen Zheng; Zhang Yalei
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)