Results 41 to 50 of about 1,651 (222)

Nitric oxide generation from nitrate at the cobalt center

Bulletin of the Korean Chemical Society, EarlyView.
Deoxygenation of a cobalt(II) nitrate complex with CO(g) or PPh3 yields a Co(NO)(NO2) species, which can alternatively be generated from a cobalt mononitrosyl complex, featuring a distinct {CoNO}8 core. Abstract Herein, we report the synthesis and reactivity of the cobalt(II) nitrate complex, (acriPNP)Co(NO3) (2).
Jeewon Chun, Yunho Lee
wiley   +1 more source

Simultaneous nitrification and denitrification in microbial community-based polyhydroxyalkanoate production

Bioresource Technology, 2021
Microbial community-based polyhydroxyalkanoate (PHA) production has been demonstrated repeatedly at pilot scale. Ammonium, normally present in waste streams, might be oxidized by nitrifying bacteria resulting in additional aeration energy demand.
Estevez Alonso, A. (author), van Loosdrecht, Mark C.M. (author), Kleerebezem, R. (author), Werker, A. (author)   +3 more
openaire   +4 more sources

Redefining the Nitrogen Cycle Through Electronic Configuration Driven Electrocatalysis for Low Carbon Energy

Carbon Energy, EarlyView.
This review reveals how electronic configuration engineering governs the entire electrocatalytic nitrogen cycle, providing structure‐informed insights into reaction selectivity, catalytic durability, and sustainable nitrogen utilization across energy and environmental systems. ABSTRACT The global nitrogen cycle is essential to food production, chemical
Jiamu Feng, Linai Zhou, Mincan Yang, Aoxiang Zhu, Zengfeng Wei, Weilin Xu, Jia Li, Jun Wan   +7 more
wiley   +1 more source

Craft Brewery Wastewater Treatment: a Fixed-Bed Single-Batch Reactor with Intermittent Aeration to Remove COD and TN

Brazilian Archives of Biology and Technology, 2021
This study evaluated an intermittently aerated, fixed-bed, single-batch reactor, with mini BioBob© as biofilm media support, as an alternative treatment of craft brewery wastewater. In order to remove chemical oxygen demand (COD) and total nitrogen (TN),
Gabriela Pereira Roveroto, Jessica Cristine Teles, Guilherme Araújo Vuitik, Jesiane Stefânia da Silva Batista, Ana Cláudia Barana   +4 more
doaj   +1 more source

The Role of Iron‐Hyponitrite Intermediates in Biology and Insights From Synthetic Model Complexes

Chemistry – A European Journal, EarlyView.
Despite the difference in active site architecture, NO reduction by different NOR enzymes is expected to be linked by a common intermediate: hyponitrite (N2O22−). However, experimentally, very little is known about the coordination chemistry of iron with hyponitrite and the expected Fe‐hyponitrite intermediates.
Michael O. Lengel, Nicolai Lehnert
wiley   +1 more source

Ammonia Removal by Simultaneous Nitrification and Denitrification in a Single Dual-Chamber Microbial Electrolysis Cell

Energies, 2022
Ammonia removal from wastewater was successfully achieved by simultaneous nitrification and denitrification (SND) in a double-chamber microbial electrolysis cell (MEC).
Sanath Kondaveeti, Dae-Hyeon Choi, Md Tabish Noori, Booki Min   +3 more
doaj   +1 more source

Design of a Novel CeW/Fe‐TiO2 Catalyst With High Oxygen Vacancy for Enhancing the Reactivity and SO2 Resistance in Low‐Temperature NH3‐SCR Reaction

EcoEnergy, EarlyView.
Fe3+ was introduced into the TiO2 lattice using the hydrothermal method, and low‐valent cations replaced part of Ti4+ to generate oxygen vacancies within the Fe‐Ov‐Ti unit, resulting in CeW/Fe‐TiO2 catalysts with oxygen‐deficient structures. Compared with CeW/TiO2 catalyst, the increase in oxygen vacancy content significantly improved the catalytic ...
Yuhang Wang, Xiaosheng Huang, Guodong Zhang, Haitao Zhang, Yongjie Xi, Zhicheng Tang   +5 more
wiley   +1 more source

Insights to Industrial Electrocatalytic Sulfide Oxidation: Electrode Fabrication, System Engineering, and High‐Value Product Acquisition

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review summarizes recent advances in electrocatalytic sulfide oxidation (SOR), focusing on catalyst design strategies, reaction system engineering, and pathways for high‐value product generation. The roles of different reduced sulfur species (S2−, HS−, H2S) under various industrial conditions are highlighted, along with approaches to enhance ...
Zhongyuan Wang, Yinxi Han, Yufei Zhang, Jinghuan Chen, Jiade Wang   +4 more
wiley   +1 more source

Full-scale simultaneous partial nitrification, anammox, and denitrification for the efficient treatment of carbon and nitrogen in low-C/N wastewater

Water Research X
A full-scale simultaneous partial nitrification, anaerobic ammonia oxidation (anammox), and denitrification (SNAD) reactor was initiated to address the problem of high energy consumption for the treatment of low C/N wastewater. The SNAD system achieved a
Xi Cao, Tianqi Liu, Xiang Li, Yong Huang, Qin Nie, Ming Li   +5 more
doaj   +1 more source

Influence of Aeration on the Composition of Biocenosis and Efficiency of Removal of Nitrogen-Containing Compounds on Rapid Filters for Drinking Water Treatment

Наукові вісті Національного технічного університету України "Київський політехнічний інститут", 2018
Background. Nitrogen compounds are the most common components of groundwater in Ukraine. Nitrates for humans are not poisonous, but in the human body, they turn into nitrites, affecting the health of the whole organism. One of the possible ways to reduce
Oleksandr V. Kravchenko, Oleksandr Yu. Galkin, Olena S. Panchenko   +2 more
doaj   +1 more source