Articles with "sulfuric acid" as a keyword



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Laboratory observations of temperature and humidity dependencies of nucleation and growth rates of sub‐3 nm particles

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jd025619

Abstract: Temperature and relative humidity (RH) are the most important thermodynamic parameters in aerosol formation, yet laboratory studies of nucleation and growth dependencies on temperature and RH are lacking. Here we report the experimentally observed temperature… read more here.

Keywords: sulfuric acid; growth; nucleation growth; temperature ... See more keywords
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Spectroscopic Insights into the Mechanism of Selective Catalytic Reduction of NO by Ammonia on Sulfuric Acid‐modified Fe2O3 Surface

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201900584

Abstract: Recently, we show that a novel architecture based on sulfuric acid‐modified Fe2O3 nanoplates provide highly efficient catalyst for selective catalytic reduction of NO by NH3. In the present article, it has been possible to identify… read more here.

Keywords: catalytic reduction; selective catalytic; sulfuric acid; surface ... See more keywords
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Numerical study of heat transfer and sulfuric acid decomposition in the process of hydrogen production

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Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4714

Abstract: The sulfuric acid decomposer is the key equipment of the iodine‐sulfur cycle to achieve hydrogen production utilizing high temperature of very high‐temperature gas‐cooled reactor (VHTR). This study discusses sulfuric acid decomposer design and pipeline layout… read more here.

Keywords: heat; heat transfer; sulfuric acid; acid decomposer ... See more keywords
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Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection

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Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.5073

Abstract: In this article, the application of a hybrid phosphoric acid fuel cell and organic Rankine cycle (PAFC/ORC) system was thermo‐economically investigated for sulfuric acid production in Sarcheshmeh copper complex (SCC); the second largest copper deposit… read more here.

Keywords: energy; system; sulfuric acid; phosphoric acid ... See more keywords
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A Monte Carlo approach to study the effect of ions on the nucleation of sulfuric acid–water clusters

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Published in 2023 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.27076

Abstract: The nucleation of sulfuric acid–water clusters is a significant contribution to the formation of aerosols as precursors of cloud condensation nuclei (CCN). Depending on the temperature, there is an interplay between the clustering of particles… read more here.

Keywords: nucleation; growth; sulfuric acid; water clusters ... See more keywords
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Mechanical reinforcement of thermoplastic vulcanizates using ground tyre rubber modified with sulfuric acid

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Published in 2018 at "Polymer Composites"

DOI: 10.1002/pc.23922

Abstract: Thermoplastic vulcanizates (TPVs) based on high density polyethylene (HDPE), ethylene propylene diene terpolymer (EPDM) were reinforced with ground tyre rubber (GTR) modified with sulfuric acid and dynamically vulcanized with dicumyl peroxide (DCP). TPVs were composed… read more here.

Keywords: thermoplastic vulcanizates; sulfuric acid; gtr; rubber ... See more keywords
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Tribological behaviors of DLC films in sulfuric acid and sodium hydroxide solutions

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Published in 2020 at "Surface and Interface Analysis"

DOI: 10.1002/sia.6747

Abstract: Tribological behaviors of three typical kinds of diamond‐like carbon (DLC) films (a‐C, a‐C:Cr, and a‐C:H) in sulfuric acid and sodium hydroxide solutions were investigated. The a‐C film showed the lowest stable coefficients of friction (COF)… read more here.

Keywords: hydroxide solutions; sodium hydroxide; sulfuric acid; acid sodium ... See more keywords
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On the electrochemical activity of β-lead dioxide in sulfuric acid solution: a comparative study between the chemical and electrochemical routes

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Published in 2017 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-017-3861-3

Abstract: Abstractβ-Lead dioxide is prepared by chemical and electrochemical routes. The chemical sample is obtained by dissolving lead tetra-acetate in distilled water at room temperature. The electrochemical sample is prepared by oxidizing cured plates in sulfuric… read more here.

Keywords: sulfuric acid; chemical electrochemical; lead dioxide; electrochemical routes ... See more keywords
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Investigation of the electrochemical behaviour of lead dioxide in aqueous sulfuric acid solutions by using the in situ EQCM technique

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Published in 2019 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-019-04450-y

Abstract: The charge-discharge characteristics and the aging mechanism of PbO 2 layers in contact with sulfuric acid solutions of different concentrations (1.5–5.0 M) were studied by using combined cyclic voltammetry and electrochemical quartz crystal microbalance (EQCM) techniques.… read more here.

Keywords: acid solutions; lead sulfate; sulfuric acid; lead dioxide ... See more keywords
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Facile preparation of nanochitins via acid assisted colloid milling in glycerol

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Published in 2020 at "Cellulose"

DOI: 10.1007/s10570-020-03280-w

Abstract: Abstract A facile route was developed for the production of nanochitins. Acid-assisted glycerol swelling at 120 °C and low-intensity colloid milling were found to be sufficient for the successful nanofibrillation of purified chitin. The glycerol… read more here.

Keywords: sulfuric acid; acid assisted; colloid milling; glycerol ... See more keywords
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Leaching of El-Missikat low-grade fluoritized uranium ore by sulfuric acid: mechanism and kinetic

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-6289-z

Abstract: A well-characterized low-grade fluoritized uranium samples from new occurrence in Gabal El-Missikat prospect, Eastern Desert, Egypt was subjected to sulfuric acid leaching. The effects of leaching parameters on uranium dissolution mechanism were investigated. The shrinking… read more here.

Keywords: mechanism; fluoritized uranium; sulfuric acid; grade fluoritized ... See more keywords