Articles with "chemical activation" as a keyword



CO2 adsorption in biochars obtained from soursop (Anonna muricata) seeds by chemical activation with metallic salts

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Published in 2024 at "Adsorption"

DOI: 10.1007/s10450-024-00528-w

Abstract: Environment remediation is one of the primary goals of sustainable development and anthropogenic activities, and the use of fuels in various industrial processes through combustion has led to an increase in CO2 as well as… read more here.

Keywords: co2 adsorption; adsorption; chemical activation; surface area ... See more keywords

Effect of chemical activation process on adsorption of As(V) ion from aqueous solution by mechano-thermally synthesized zinc ferrite nanopowder

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Published in 2020 at "International Journal of Minerals, Metallurgy and Materials"

DOI: 10.1007/s12613-019-1931-5

Abstract: Nanostructured ZnFe 2 O 4 was synthesized by the heat treatment of a mechanically activated mixture of ZnO/α-Fe 2 O 3 . X-ray diffraction (XRD) and differential thermal analysis (DTA) results demonstrated that, after 5… read more here.

Keywords: activation process; adsorption; mechano thermally; chemical activation ... See more keywords

Production of renewable phenols from corn cob using catalytic pyrolysis over self-derived activated carbons prepared with torrefaction pretreatment and chemical activation

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Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2021.126507

Abstract: Abstract The present work unveiled that the combination of chemical activation and torrefaction pretreatment was a promising approach for improving catalytic performance of activated carbon (AC) during conversion of corn cob into phenols. The characterization… read more here.

Keywords: corn; torrefaction pretreatment; chemical activation; corn cob ... See more keywords

Enhanced capacitive deionization desalination provided by chemical activation of sugar cane bagasse fly ash electrodes

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Published in 2017 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2017.06.014

Abstract: Abstract Sugar Cane Bagasse Fly Ash (SCBFA) is an abundant low-cost high content carbon bio-waste material. In this manuscript, different chemical activation agents, such as ZnCl2 and KOH, have been explored as a mean of… read more here.

Keywords: chemical activation; sugar cane; bagasse fly; cane bagasse ... See more keywords

Chemical activation of slag-blended Portland cement

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Published in 2018 at "Journal of building engineering"

DOI: 10.1016/j.jobe.2018.03.004

Abstract: Abstract Chemical activation as one of the most popular methods of activation has been considered for improving hydraulic properties of slags. This work presents chemical activation of blast-furnace slag-blended Portland cement. For this purpose, a… read more here.

Keywords: slag; portland cement; chemical activation; spectroscopy ... See more keywords
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Preparation of sponge-cake-like N-doped porous carbon materials derived from silk fibroin by chemical activation

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Published in 2021 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2021.110998

Abstract: Abstract N-doped porous carbon materials have attracted great interest due to its large specific area, high chemical stability as well as good conductivity. These properties manifest its potential application in gas adsorption, electrocatalysts etc. Normally,… read more here.

Keywords: doped porous; chemical activation; carbon materials; silk fibroin ... See more keywords

Importance of Chemical Activation and the Effect of Low Operation Voltage on the Performance of Pt-Alloy Fuel Cell Electrocatalysts

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Published in 2022 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.2c01359

Abstract: Pt-alloy (Pt–M) nanoparticles (NPs) with less-expensive 3d transition metals (M = Ni, Cu, Co) supported on high-surface-area carbon supports are currently the state-of-the-art (SoA) solution to reach the production phase in proton exchange membrane fuel… read more here.

Keywords: chemical activation; voltage; operation voltage; importance chemical ... See more keywords

Chemically Activated Covalent Triazine Frameworks with Enhanced Textural Properties for High Capacity Gas Storage.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b08930

Abstract: Chemical activation of porous/nonporous materials to achieve high surface area sorbents with enhanced textural properties is a very promising strategy. The chemical activation using KOH, however, could lead to broad distribution of pores originating from… read more here.

Keywords: enhanced textural; capacity; gas; chemical activation ... See more keywords

Chemical Activation of Frontal Ring-Opening Metathesis Polymerization.

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Published in 2025 at "ACS macro letters"

DOI: 10.1021/acsmacrolett.5c00345

Abstract: In this study, we present an innovative approach to frontal ring-opening metathesis polymerization (FROMP) through chemical activation. By locally concentrating Grubbs-type initiators, we accelerate exothermic polymerization at the activation site. Sufficient thermal energy initiates a… read more here.

Keywords: opening metathesis; frontal ring; ring opening; activation ... See more keywords

Reversible Magnesium Metal Cycling in Additive-Free Simple Salt Electrolytes Enabled by Spontaneous Chemical Activation.

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Published in 2023 at "ACS nano"

DOI: 10.1021/acsnano.2c08672

Abstract: Rechargeable magnesium (Mg) batteries can offer higher volumetric energy densities and be safer than their conventional counterparts, lithium-ion batteries. However, their practical implementation is impeded due to the passivation of the Mg metal anode or… read more here.

Keywords: chemical activation; additive free; simple salt; free simple ... See more keywords

Chemical activation of commodity plastics for patterned electroless deposition of robust metallic films.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc03848j

Abstract: A general approach to increase the adhesion of metal films to commodity plastic substrates using a metal-chelating polymer, polyethyleneimine, in conjunction with patterned electroless deposition is described. This general fabrication method is compatible with a… read more here.

Keywords: activation commodity; chemical activation; electroless deposition; patterned electroless ... See more keywords