In this section, you can access to the latest technical information related to the FUTURE project topic.

Improved methane production from anaerobic wastewater treatment by conductive zero-valent iron@carbon@polyaniline

In this study, a core-shell type [email protected]@PANI nanoparticle was prepared and used as a novel conductive medium for electron transfer between bacteria and archaea of the anaerobic system. The synthesized nanocomposite had favorable biocompatibility and a conductivity of 4.89?S/cm, which made the nanocomposite a good transfer medium to achieve efficient methane production. And the enhanced methane production by adding [email protected]@PANI in the anaerobic sludge had been investigated. The [email protected]@PANI enhanced methane yield peaked at doses of 2?g/L. The result showed that methane production increased by 71.36% from the anaerobic system added with the [email protected]@PANI compared to the control system. Moreover, information on the microorganism community and enzymes in the anaerobic sludge was detected. The results showed that the Geobacter, Syntrophus, and Dechlorobacter bacteria and the Methanosaeta and Methanobacterium archaea were significantly enriched for facilitating direct interspecies electron transfer in the anaerobic system by added [email protected]@PANI. Moreover, the [email protected]@PANI can strengthen the production of acetic acid, which facilitated the acetoclastic methanogens to generate methane from the anaerobic system.

» Author: Na Zhou, Jie Zhou, Wen Huang, Qian Hu, Bin Qiu

» Publication Date: 01/01/2023

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