Articles with "koh" as a keyword



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Biodiesel production from the Chlorella vulgaris and Spirulina platensis microalgae by electrolysis using CaO/KOH-Fe3O4 and KF/KOH-Fe3O4 as magnetic nanocatalysts

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Published in 2020 at "Biomass Conversion and Biorefinery"

DOI: 10.1007/s13399-020-00688-z

Abstract: Based on the results from recent studies on biodiesel production, in addition to cost reduction, the electrolysis method has both quantitative and qualitative advantages over the reflux method. Thus, in this study, biodiesel was produced… read more here.

Keywords: biodiesel production; microalgae; koh fe3o4; koh ... See more keywords

Optical investigation of gas-phase KCl/KOH sulfation in post flame conditions

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Published in 2018 at "Fuel"

DOI: 10.1016/j.fuel.2018.03.095

Abstract: A counter-flow reactor setup was designed to investigate the gas-phase sulfation and homogeneous nucleation of potassium salts. Gaseous KOH and KCl were introduced into the post-flame zone of a laminar flat flame. The hot flame… read more here.

Keywords: kcl; sulfation; post flame; gas phase ... See more keywords

Efficient synthesis of nitrogen and oxygen co-doped hierarchical porous carbons derived from soybean meal for high-performance supercapacitors

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.06.267

Abstract: Abstract Adopting an impregnation strategy, the homogeneous and efficient pore-creating are simultaneously achieved by one-pot KOH activation making full use of the swelling feature of hydrophilic soybean protein gels in alkaline solution. N, O co-doped… read more here.

Keywords: meal; performance supercapacitors; soybean meal; nitrogen oxygen ... See more keywords

Sorption Equilibria and Kinetics of CO2, N2, and H2O on KOH-Treated Activated Carbon

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Published in 2018 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.8b03862

Abstract: The equilibria and kinetics of CO2, N2, and H2O on KOH-treated activated carbon (KOH-AC) were evaluated. The isotherms for the pure components were correlated with the Langmuir, dual-site Langmuir,... read more here.

Keywords: h2o koh; koh treated; kinetics co2; co2 h2o ... See more keywords

Comparative effects of olivine and sand on KOH-treated clayey soil

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Published in 2025 at "Open Geosciences"

DOI: 10.1515/geo-2025-0868

Abstract: Abstract Improving the strength of clayey soils remains a key concern in geotechnical practice. This study presents a comparative investigation of the effects of olivine waste and sand grains on a clayey soil, both in… read more here.

Keywords: effects olivine; sand; clayey soil; soil ... See more keywords

Characteristic and Performance of Ni, Pt, and Pd Monometal and Ni-Pd Bimetal onto KOH Activated Carbon for Hydrotreatment of Castor Oil

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Published in 2024 at "Indonesian Journal of Chemistry"

DOI: 10.22146/ijc.84640

Abstract: The preparation of highly efficient hydrotreating catalysts has presented a significant challenge in the field of catalysis. In this study, chemically activated carbon (AC) was prepared using potassium hydroxide (KOH) as an activator and Merbau… read more here.

Keywords: koh; performance; activated carbon; castor oil ... See more keywords

Simulation of Marine Debris Path Using Mathematical Model in the Gulf of Thailand

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Published in 2022 at "Axioms"

DOI: 10.3390/axioms11100571

Abstract: Marine debris is an important environmental problem that affects aquatic animals, ecosystems, economy, society, and humans. This research aims to simulate the path of marine debris in the Gulf of Thailand using a mathematical model… read more here.

Keywords: marine debris; velocity; path; gulf thailand ... See more keywords

Carbon Dioxide Adsorption over Activated Carbons Produced from Molasses Using H2SO4, H3PO4, HCl, NaOH, and KOH as Activating Agents

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27217467

Abstract: Cost-effective activated carbons for CO2 adsorption were developed from molasses using H2SO4, H3PO4, HCl, NaOH, and KOH as activating agents. At the temperature of 0 °C and a pressure of 1 bar, CO2 adsorption equal… read more here.

Keywords: adsorption; molasses using; co2 adsorption; hcl ... See more keywords

Pseudocapacitive Effects of Multi-Walled Carbon Nanotubes-Functionalised Spinel Copper Manganese Oxide

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12193514

Abstract: Spinel copper manganese oxide nanoparticles combined with acid-treated multi-walled carbon nanotubes (CuMn2O4/MWCNTs) were used in the development of electrodes for pseudocapacitor applications. The CuMn2O4/MWCNTs preparation involved initial synthesis of Mn3O4 and CuMn2O4 precursors followed by… read more here.

Keywords: cumn2o4 mwcnts; copper manganese; manganese oxide; spinel copper ... See more keywords

The Removal of a Textile Dye from an Aqueous Solution Using a Biocomposite Adsorbent

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14122396

Abstract: The adsorption mechanisms of methylene blue (MB) onto olive waste (residue) treated with KOH (OR-KOH) and onto an OR-KOH and PEG–silica gel composite (OR-KOH/PEG-SG) at various temperatures were investigated using a combination of experimental analysis… read more here.

Keywords: adsorption; koh peg; removal textile; textile dye ... See more keywords