Results 111 to 120 of about 211,169 (192)

After-Treatment Technologies for Emissions of Low-Carbon Fuel Internal Combustion Engines: Current Status and Prospects

open access: yesEnergies
In response to increasingly stringent emission regulations, low-carbon fuels have received significant attention as sustainable energy sources for internal combustion engines.
Najunzhe Jin   +3 more
doaj   +1 more source

Bacterial production of nitrate in aquatic systems: progress report. Nitrate-loss processes in raw water [PDF]

open access: yes, 1987
This short interim progress report builds on previous progress reports which have described the quantification of the process both within and between lakes of different degrees of eutrophication.
Hall, G.H.
core  

Phytoxicity study of the products of wet oxidation of a representative biomass (lettuce) [PDF]

open access: yes
In an attempt to verify the results reported previously concerning the phytotoxicity of wet-oxidation (wet-ox) products, lettuce solids were suspended in water and then heated to 548 K for 3.6 ksec (1 hr) under 4.1x10 to the -7 Pa (400 psig at 294 K ...
Onisko, B. L., Wydeven, T.
core   +1 more source

Catalyst for Ammonia Oxidation

open access: yes, 2015
The present invention relates to a bimetallic catalyst for ammonia oxidation, a method for producing a bimetallic catalyst for ammonia oxidation and a method for tuning the catalytic activity of a transition metal. By depositing an overlayer of less catalytic active metal onto a more catalytic active metal, the total catalytic activity is enhanced.
Conradsen, Christian Nagstrup   +3 more
openaire   +1 more source

OXIDATIVE AMMONIA LEACHING OF SPHALERITE CONCENTRATE

open access: yesSelçuk Üniversitesi Mühendislik, Bilim ve Teknoloji Dergisi, 2005
This paper presents a study of kinetics of leaching of sphalerite concentrate in ammoniasolutions. The effects of ammonia concentration, oxygen partial pressure, reaction temperature andparticle size on the leaching rate were investigated. The shrinking core model was applied to the resultsobtained from these experiments. Reaction on order with respect
AYDOĞAN, Salih   +2 more
openaire   +4 more sources

Autonomous electrochemical system for ammonia oxidation reaction measurements at the International Space Station. [PDF]

open access: yesNPJ Microgravity, 2023
Morales-Navas C   +12 more
europepmc   +1 more source

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