Influence of surface modification with nitric acid on electrochemical performance of agroindustrial waste-based activated carbon
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-018-9132-y
Abstract: Two activated carbons (ACs) were superficially modified with nitric acid (HNO3). The ACs were obtained by chemical activation of palm kernel shell, the first one with KOH at a KOH/AC weight ratio of 2/1 and… read more here.
Keywords: nitric acid; influence; weight ratio; spectroscopy ... See more keywords
Dissolution Rates of Barium Nitrate in Water and Weak Nitric Acid Solutions Under Stirred and Stagnant Conditions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Solution Chemistry"
DOI: 10.1007/s10953-018-0822-0
Abstract: Barium nitrate is one of the least soluble metal nitrate phases normally present in the nitric acid based highly active liquor, which will require removal from highly active storage tanks during post-operational clean-out of the… read more here.
Keywords: barium nitrate; dissolution; nitric acid; dissolution rate ... See more keywords
Promotional effect of Ce on the SCR of NO with NH3 at low temperature over MnOx supported by nitric acid-modified activated carbon
Sign Up to like & getrecommendations! Published in 2017 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-017-3194-y
Abstract: Different amounts of Mn and Ce oxides were loaded onto nitric acid-modified activated carbon (ACN) by wet impregnation. The series of catalysts were employed for the selective catalytic reduction of NOx by NH3 at temperatures… read more here.
Keywords: nitric acid; temperature; modified activated; acid modified ... See more keywords
Electrochemical Studies and XPS Analysis of the Surface of Zirconium-702 in Concentrated Nitric Acid With and Without Fluoride Ions
Sign Up to like & getrecommendations! Published in 2017 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-017-1165-z
Abstract: Zirconium exhibited pseudo-passive behavior in fluorinated nitric acid (11.5 M HNO3 + 0.05 M NaF) as the current density measured from the electrochemical studies was several orders higher than the value in fluoride free nitric acid. Impedance studies on… read more here.
Keywords: fluoride ions; nitric acid; electrochemical studies; value ... See more keywords
Studies on Corrosion of Titanium and Air-Oxidized Titanium in Fluorinated Nitric Acid
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-019-01667-3
Abstract: Titanium (Ti) is a lustrous transition metal which possesses excellent corrosion resistance in several aggressive environments but is attacked by acidic fluoride media. In this work, the addition of fluoride ion to nitric acid on… read more here.
Keywords: corrosion; nitric acid; titanium; air oxidized ... See more keywords
Electroanalytical and Kinetic Studies on PBIMOT, a Benzimidazole Motif of 1,3,4-Oxadiazole as a Powerful Corrosion Inhibitor for Mild Steel in Nitric Acid
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Bio- and Tribo-Corrosion"
DOI: 10.1007/s40735-017-0107-y
Abstract: The effect of benzimidazole bearing 1,3,4-oxadiazole derivative, 5-((2-propyl-1H-benzo[d]imidazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol (PBIMOT), on the corrosion of mild steel in 0.25 M HNO3 solution was studied using electroanalytical techniques. The inhibitive mechanism, kinetics and adsorption properties of PBIMOT on the… read more here.
Keywords: mild steel; nitric acid; kinetic studies; electroanalytical kinetic ... See more keywords
Passivation improvement of nitric acid oxide by ozone post-treatment for tunnel oxide passivated contacts silicon solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.05.369
Abstract: Abstract We demonstrate the passivation improvement of tunnel oxide formed by nitric acid oxidation and followed by ozone post-treatment. A tunnel oxide passivated contacts (TOPCon) structure was fabricated through polysilicon crystallization using POCl3 diffusion on… read more here.
Keywords: ozone post; tunnel oxide; nitric acid; post treatment ... See more keywords
Influence of nitric acid-assisted hydrothermal conditions on the characteristics of TiO2 catalysts and their activity in the oxidative steam reforming of methanol
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DOI: 10.1016/j.apt.2020.11.004
Abstract: Abstract Titania (TiO2) nanoparticles (NPs) with different morphologies (spherical, rod-shaped, and mixed) were prepared by hydrothermal treatment of different nitric acid (HNO3)/titanium (IV) isopropoxide (TTIP) molar ratios (0.25, 0.5, 1.0, and 1.7) at different hydrothermal… read more here.
Keywords: tio2; nitric acid; reforming methanol; oxidative steam ... See more keywords
Dilute nitric-acid pretreatment of oat hulls for ethanol production
Sign Up to like & getrecommendations! Published in 2017 at "Biochemical Engineering Journal"
DOI: 10.1016/j.bej.2016.09.003
Abstract: Abstract Oat hulls are a promising feedstock annually renewable at an industrial scale for the production of second generation ethanol. Chemical pretreatment of oat hulls with a 4% (w/w) nitric acid solution at atmospheric pressure… read more here.
Keywords: nitric acid; production; oat; oat hulls ... See more keywords
Process intensification writ large with microchannel absorption in nitric acid production
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2017.01.015
Abstract: Abstract This paper presents experimental studies on the absorption of nitrous gas in microchannels. Liquid and gas phase products have been analysed for a wide range of nominal residence times (0.03–1.4 s), gas compositions (5–10% NO,… read more here.
Keywords: nitric acid; production; gas; process ... See more keywords
Enhanced activation of persulfate by nitric acid/annealing modified multi-walled carbon nanotubes via non-radical process.
Sign Up to like & getrecommendations! Published in 2019 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2018.12.136
Abstract: This study aim to explore an effective approach of persulfate (PS) activation based on multi-walled carbon nanotubes (CNTs) for the phenol degradation. The nitric acid/annealing modified CNTs were obtained by oxidation with concentrated nitric acid… read more here.
Keywords: nitric acid; carbon; acid annealing; activation ... See more keywords