Dual roles of zero-valent iron in dry anaerobic digestion: enhancing interspecies hydrogen transfer and direct interspecies electron transfer

Y Zhu, Z Zhao, Y Yang, Y Zhang - Waste Management, 2020 - Elsevier
Although commonly viewed as a promising method, dry anaerobic digestion is not been
widely applied to dispose of food wastes, especially in developing countries because of its …

Roles of zero-valent iron in anaerobic digestion: mechanisms, advances and perspectives

ZW He, ZS Zou, YX Ren, CC Tang, AJ Zhou… - Science of The Total …, 2022 - Elsevier
With the rapid growth of population and urbanization, more and more bio-wastes have been
produced. Considering organics contained in bio-wastes, to recover resource from bio …

Enhanced anaerobic co-digestion of waste activated sludge and food waste by sulfidated microscale zerovalent iron: Insights in direct interspecies electron transfer …

S Chen, Z Tao, F Yao, B Wu, L He, K Hou, Z Pi… - Bioresource …, 2020 - Elsevier
The enhancement of zerovalent iron (ZVI) on anaerobic digestion (AD) has been proved, but
there are still some problems that constrain the large-scale application of ZVI, such as the …

Ferroferric oxide triggered possible direct interspecies electron transfer between Syntrophomonas and Methanosaeta to enhance waste activated sludge anaerobic …

Z Zhao, Y Li, Q Yu, Y Zhang - Bioresource Technology, 2018 - Elsevier
ZVI was reported to enrich H 2-utilizing methanogens that enhanced interspecies H 2
transfer, while Fe (III) oxide served as a conductive material to promote direct interspecies …

The effects and mechanisms of zero-valent iron on anaerobic digestion of solid waste: A mini-review

W Ye, J Lu, J Ye, Y Zhou - Journal of Cleaner Production, 2021 - Elsevier
For a long time, anaerobic digestion (AD) is considered to be one of the most promising
methods to solve the problem of solid waste recycling. The addition of zero-valent iron (ZVI) …

Exploring the roles of zero-valent iron in two-stage food waste anaerobic digestion

T Yuan, S Bian, JH Ko, J Liu, X Shi, Q Xu - Waste management, 2020 - Elsevier
This research investigated the roles of zero-valent iron (ZVI) in a two-stage food waste
digestion process. ZVI was added separately to hydrolytic-acidogenic (HA) and …

Comparing the mechanisms of ZVI and Fe3O4 for promoting waste-activated sludge digestion

Z Zhao, Y Zhang, Y Li, X Quan, Z Zhao - Water research, 2018 - Elsevier
Anaerobic digestion is one of the most promising technologies to stabilize waste-activated
sludge (WAS) and recover energy. However, the low efficiency of anaerobic digestion of …

Adding activated carbon to the system with added zero-valent iron further improves anaerobic digestion performance by alleviating ammonia inhibition and promoting …

S Zhang, X Ma, D Xie, W Guan, M Yang, P Zhao… - Journal of …, 2021 - Elsevier
The addition of activated carbon (AC) may improve the efficiency of anaerobic digestion
(AD) system to which zero-valent iron (ZVI) has been added. This study investigated the …

Mini art review for zero valent iron application in anaerobic digestion and technical bottlenecks

X Kong, J Niu, W Zhang, J Liu, J Yuan, H Li… - Science of the Total …, 2021 - Elsevier
Zero valent iron (ZVI) has been used extensively to control environmental pollution owing to
its strong reducibility and low cost. Herein, we evaluate the impact of ZVI (iron scrap and ZVI …

The bio-chemical cycle of iron and the function induced by ZVI addition in anaerobic digestion: A review

J Zhang, Y Qu, Q Qi, P Zhang, Y Zhang, YW Tong, Y He - Water Research, 2020 - Elsevier
Zero-valent iron (ZVI) is known to be an additive in facilitating waste treatment and improving
biogas production in anaerobic digestion (AD) systems. This review concentrates on the …