Nitrate water contamination from industrial activities and complete denitrification as a remediation option

KM Moloantoa, ZP Khetsha, E Van Heerden… - Water, 2022 - mdpi.com
Freshwater is a scarce resource that continues to be at high risk of pollution from
anthropogenic activities, requiring remediation in such cases for its continuous use. The …

Electrocatalysts for Inorganic and Organic Waste Nitrogen Conversion

DA Chipoco Haro, L Barrera, H Iriawan, A Herzog… - ACS …, 2024 - ACS Publications
Anthropogenic activities have disrupted the natural nitrogen cycle, increasing the level of
nitrogen contaminants in water. Nitrogen contaminants are harmful to humans and the …

Role of electronic structure on nitrate reduction to ammonium: a periodic journey

OQ Carvalho, R Marks, HKK Nguyen… - Journal of the …, 2022 - ACS Publications
Electrocatalysis is a promising approach to convert waste nitrate to ammonia and help close
the nitrogen cycle. This renewably powered ammonia production process sources hydrogen …

Free-standing membrane incorporating single-atom catalysts for ultrafast electroreduction of low-concentration nitrate

X Wang, X Wu, W Ma, X Zhou… - Proceedings of the …, 2023 - National Acad Sciences
The release of wastewaters containing relatively low levels of nitrate (NO3−) results in
sufficient contamination to induce harmful algal blooms and to elevate drinking water NO3 …

Electrified membranes for water treatment applications

M Sun, X Wang, LR Winter, Y Zhao, W Ma… - Acs Es&T …, 2021 - ACS Publications
Electrified membranes (EMs) have the potential to address inherent limitations of
conventional membrane technologies. Recent studies have demonstrated that EMs exhibit …

Recent discoveries in the reaction mechanism of heterogeneous electrocatalytic nitrate reduction

Z Wang, D Richards, N Singh - Catalysis science & technology, 2021 - pubs.rsc.org
The importance of maintaining a balanced nitrogen cycle and rectifying the accumulation of
nitrate in water streams creates a need for technologies that can convert nitrate species …

Preparation and performance evaluation of chitosan/polyvinylpyrrolidone/polyvinyl alcohol electrospun nanofiber membrane for heavy metal ions and organic …

S Wu, K Li, W Shi, J Cai - International journal of biological …, 2022 - Elsevier
In this work, a novel electrospun chitosan (CS)/polyvinylpyrrolidone (PVP)/polyvinyl alcohol
(PVA) nanofibrous membrane was prepared to remove heavy metal ions and organic …

Highly efficient metal-free nitrate reduction enabled by electrified membrane filtration

Y Fan, X Wang, C Butler, A Kankam, A Belgada… - Nature Water, 2024 - nature.com
Current methods for electrocatalytic destruction of nitrate in drinking water require metal
catalysts to achieve sufficient nitrate removal. However, metal-based catalysts involve …

Powering the remediation of the nitrogen cycle: progress and perspectives of electrochemical nitrate reduction

B Min, Q Gao, Z Yan, X Han, K Hosmer… - Industrial & …, 2021 - ACS Publications
Nitrate pollution in surface and ground waters has become a potent threat to ecosystem and
human health. Electrochemical nitrate reduction is a promising strategy to directly convert …

Overcoming barriers for nitrate electrochemical reduction: By-passing water hardness

A Atrashkevich, AS Fajardo, P Westerhoff, WS Walker… - Water Research, 2022 - Elsevier
Water matrix composition impacts water treatment performance. However, matrix
composition impacts have rarely been studied for electrochemical water treatment …