Results 51 to 60 of about 43,948 (300)

On the effect of pharmaceuticals on bacterial nitrite oxidation

Water Science and Technology, 2004
Pharmaceuticals or their metabolites are partially excreted with urine or faeces ending up in raw sewage. Many of these substances are not biodegradable and their presence in influents of municipal wastewater treatment plants may cause adverse effects to sensitive biological processes such as nitrification, while on the other hand, they may go through ...
S N, Dokianakis, M E, Kornaros, G, Lyberatos   +2 more
openaire   +2 more sources

Therapeutic uses of inorganic nitrite and nitrate - from the past to the future

, 2008
Potential carcinogenic effects, blue baby syndrome, and occasional intoxications caused by nitrite, as well as the suspected health risks related to fertilizer overuse, contributed to the negative image that inorganic nitrite and nitrate have had for ...
Feelisch, Martin, Butler, Anthony R.
core   +1 more source

A hybrid oxidation approach for converting high-strength urine ammonia into ammonium nitrate

Water Research X
Nutrient resources contained in human urine have great potential to alleviate global agricultural fertilizer demand. Microbial nitrification is a recognized strategy for stabilizing urine ammonia into ammonium nitrate, a common fertilizer worldwide, but ...
Zhiqiang Zuo, Tianyi Zhang, Xin Huang, Xiaotong Cen, Xi Lu, Tao Liu, Ho Kyong Shon, Min Zheng   +7 more
doaj   +1 more source

Model-based investigation of membrane biofilm reactors coupling anammox with nitrite/nitrate-dependent anaerobic methane oxidation

Environment International, 2020
An innovative process coupling anaerobic ammonium oxidation (anammox) with nitrite/nitrate-dependent anaerobic methane oxidation (n-DAMO) in membrane biofilm reactors (MBfRs) has been developed to achieve high-level nitrogen removal from both sidestream (
Tao Liu, Jianhua Guo, Shihu Hu, Zhiguo Yuan   +3 more
doaj   +1 more source

Support‐Controlled Reaction Pathways via Dynamic Sulfur‐Mediated Interfaces for Selective Urea Electrolysis

Advanced Functional Materials, EarlyView.
Sulfur‐doped graphitized carbon nanofibers act as adaptive catalyst–support platforms, enabling dynamic sulfur‐mediated reconstruction and strong metal–support interactions. This unique behavior enhances catalyst stability and controls reaction pathways, achieving highly selective urea oxidation (∼92% N2) coupled with efficient hydrogen evolution ...
Melanie Guillén‐Soler, Lucía Vizcaíno‐Anaya, Ahmad Tayyebi, José Manuel Vila‐Fungueiriño, María del Carmen Giménez‐López   +4 more
wiley   +1 more source

Nitrogen removal in marine environments: recent findings and future research challenges [PDF]

, 2005
Respiratory reduction of nitrate (denitrification) is recognized as the most important process converting biologically available (fixed) nitrogen to N2. In current N cycle models, a major proportion of global marine denitrification (50–70%) is assumed to
Bo Thamdrup, Thamdrup, Bo, Donald E. Canfield, Gilbert, Franck, Dalsgaard, T, Thamdrup, B, Canfield, Donald E., Engström, Pia,, Dalsgaard, Tage, Kristina Sundbäck, Robert C. Aller, Hulth, Stefan, Sundb\ue4ck, Kristina, Engström, Pia, Tage Dalsgaard, Aller, R. C, Canfield, D. E, Franck Gilbert, Engstr\uf6m, Pia, Aller, Robert Curwood, Sundbäck, Kristina, Gilbert, F., Hulth, Stefan,, Stefan Hulth, Pia Engström, Sundbäck, Kristina,   +25 more
core   +1 more source

Nitrate‐ and nitrite‐dependent anaerobic oxidation of methane [PDF]

Environmental Microbiology Reports, 2016
Summary Microbial methane oxidation is an important process to reduce the emission of the greenhouse gas methane. Anaerobic microorganisms couple the oxidation of methane to the reduction of sulfate, nitrate and nitrite, and possibly oxidized iron and manganese minerals.
Welte, Cornelia U., Rasigraf, Olivia, Vaksmaa, Annika, Versantvoort, Wouter, Arshad, Arslan, Op den Camp, Huub J.M., Jetten, Mike S.M., Lüke, Claudia, Reimann, Joachim   +8 more
openaire   +3 more sources

General Synthesis of Amorphous Pd‐Based Nanoparticles Towards Highly Efficient Nitrate‐to‐Ammonia Electrocatalysis

Advanced Functional Materials, EarlyView.
A family of amorphous palladium‐based multi‐component phosphides nanoparticles, synthesized via a robust one‐step wet‐chemical method, overcoming the immiscibility of different elements and the difficulty in forming a stable, disordered structure. When applied in the electrochemical nitrate reduction reaction, these nanocatalysts effectively suppress ...
Lei Xu, Chuhao Luan, Mingzi Sun, Weiwei Chen, Xiaozhi Liu, Chen Ma, Long Zheng, Gang Wang, Peng Han, Ping Gu, Xiao Wang, Chenhao Shu, Cheng Lyu, Zhenyu Zhang, Nailiang Yang, Hongyan He, Xiaohong Li, Dong Su, Bolong Huang, Wenjun Zhang, Ye Chen   +20 more
wiley   +1 more source

On the chemical biology of the nitrite/sulfide interaction

, 2015
The authors are grateful to the Susanne-Bunnenberg-Stiftung of the Düsseldorf Heart Center (to MK), the COST action BM1005 (European Network on Gasotransmitters), and the Faculty of Medicine, University of Southampton (to MF) for financial support ...
Fernandez, B.O., Cortese-Krott, M.M., Feelisch, M., Kelm, M., Butler, A.R.   +4 more
core   +1 more source

Polyimide‐Linked Hexaazatriphenylene‐Based Porous Organic Polymer with Multiple Redox‐Active Sites as a High‐Capacity Organic Cathode for Lithium‐Ion Batteries

Advanced Materials, EarlyView.
A high‐capacity polyimide‐linked porous organic polymer (HAT‐PTO) incorporating numerous redox‐active centers is synthesized via a hydrothermal reaction, delivering a high theoretical capacity of 484 mAh g−1. In situ hybridization with carboxyl‐functionalized multiwalled carbon nanotubes enhances conductivity and stability, achieving 397 mAh g−1 at C ...
Arindam Mal, Jonathan Caroni, Asia Patriarchi, Olivera Luzanin, Rafael Ramos, Jan Bitenc, Manuel Melle‐Franco, Manuel Souto   +7 more
wiley   +1 more source