Results 101 to 110 of about 77,524 (304)

Procedure of Destructive Chemical Recovery of Precious Metals in Nitric Acid Production [PDF]

Kemija u Industriji, 2012
The heart of the nitric acid production process is the chemical reactor containing a platinum-based catalyst pack and an associated catchment system, which allows the ammonia oxidation reaction to take place efficiently.
Ljubičić, M., Zečević, N.
doaj  

Flexible Chemiresistive Chitosan‐Glycerol Sensors on Laser‐Induced Graphene Electrodes for Room‐Temperature Ammonia Detection

Advanced Materials Technologies, EarlyView.
Flexible Chitosan‐glycerol sensor integrated with porous laser‐induced graphene (LIG) electrodes enable room‐temperature chemiresistive detection of ammonia (NH3) and proof‐of‐concept detection of fish spoilage. ABSTRACT We report a metal‐free sensor platform combining laser induced graphene (LIG) electrodes with drop‐deposited, glycerol‐plasticized ...
Mintesinot Tamiru Mengistu, Richard Murray, Cara‐Lena Nies, Cathal Larrigy, Martina Piletti, Jahidul Islam, Daniela Iacopino, Eileen Hurley, Michael Nolan, Aidan J. Quinn   +9 more
wiley   +1 more source

Ammonia Electrooxidation to Nitrite and Nitrate: Challenges and Insights

ChemElectroChem
Ammonia is emerging as a promising hydrogen carrier. The electrochemical ammonia oxidation reaction (AmOR) offers a pathway to value‐added nitrite (NO2−) and nitrate (NO3−) and may serve as an alternative to the oxygen evolution reaction in electrolyzer ...
Ieva A. Cechanaviciute, Ann Cathrin Brix, Beyzanur Ciplak, Saika Pokharel, Alan Savan, Alfred Ludwig, Wolfgang Schuhmann   +6 more
doaj   +1 more source

The effect of weak acid anions on the selective catalytic wet air oxidation of aqueous ammonia to nitrogen

Scientific Reports, 2017
In this work, the effect of weak acid anions on the ammonia removal has been extensively studied for the process of selective catalytic wet air oxidation (CWAO) of ammonia to nitrogen.
Zidan Wang, Sohaib Hameed, Yaoyao Wen, Nuowei Zhang, Hengjun Gai, Jinbao Zheng, Bing H. Chen   +6 more
doaj   +1 more source

3D Printing of Stretchable, Compressible and Conductive Porous Polyurethane for Soft Robotics

Advanced Materials Technologies, EarlyView.
A 3D‐printable porous dopamine‐polyurethane acrylate elastomer results in conductive, stretchable, and compressible structures that can be metallized in situ through catechol‐mediated silver reduction. The resulting material function as both compliant soft robot with a and strain sensors without complex assemblies, enabling fully 3D‐printed soft ...
Ouriel Bliah, Konstantin Sakharov, Pooi See Lee, Shlomo Magdassi   +3 more
wiley   +1 more source

Ru-doped phosphorene for electrochemical ammonia synthesis

, 2020
The electrochemical ammonia synthesis has attracted increasing attention due to its energy saving characteristics. However, developing novel electrocatalysts and their mechanism remain great challenges.
Feng, YZ, Dou, YH, Ma, JM, Liu, JD, Wei, ZX   +4 more
core   +1 more source

A review of ammonia-oxidizing bacteria and archaea in Chinese soils

Frontiers in Microbiology, 2012
Ammonia (NH3) oxidation, the first and rate-limiting step of nitrification, is a key step in the global Nitrogen (N) cycle. Major advances have been made in recent years in our knowledge and understanding of the microbial communities involved ammonia ...
Ji-Zheng eHe, Ju-Pei eShen, Li-Mei eZhang, Hong J eDi   +3 more
doaj   +1 more source

Magnetic Droplet Manipulation on Open Surfaces

Advanced Materials Technologies, EarlyView.
Recent advances in the manipulation of magnetic droplets demonstrate various manipulations on open surfaces, including transport, splitting, merging, and force‐controlled motion, enabled by magnetic particles and external fields. ABSTRACT Manipulation of liquids on a smaller scale enables applications in various fields, particularly diagnostics and ...
Robab Jahangir, Vahid Nasirimarekani
wiley   +1 more source

Removal of nitrogen containing hydrocarbons from wastewater by catalytic and non-catalytic hydrothermal oxidation, in sub- and supercritical conditions

, 2011
The results of the hydrothermal oxidation of 1,8 diazabicyclo[5.4.0]undec-7-ene (DBU), a toxic nitrogen-containing organic compound by different processes is presented here. Subcritical experiments (wet air oxidation (WAO) and catalytic wet air oxidation(
Osibo, Oluwaponmile Olumayowa
core  

Oxidation of Ammonia by Methane-oxidizing Bacteria and the Effects of Ammonia on Methane Oxidation [PDF]

Journal of General Microbiology, 1977
J. G. O'NEILL, J. F. WILKINSON
openaire   +1 more source