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Manipulating the oxygen reduction reaction pathway on Pt ...

Manipulating the oxygen reduction reaction pathway on Pt ...

Feb 03, 2022 Electrochemical oxygen reduction could proceed via either 4e−-pathway toward maximum chemical-to-electric energy conversion or 2e−-pathway toward onsite H2O2 production. Bulk Pt catalysts are ...

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Polymers | Free Full-Text | Action of Mechanical Forces on ...

Polymers | Free Full-Text | Action of Mechanical Forces on ...

Feb 03, 2022 In this review, we summarize recent developments in the field of the mechanochemistry of polymers. The aim of the review is to consider the consequences of mechanical forces and actions on polymers and polymer synthesis. First, we review classical works on chemical reactions and polymerization processes under strong shear deformations. …

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Applied Sciences | Free Full-Text | Removal of Emerging ...

Applied Sciences | Free Full-Text | Removal of Emerging ...

Mar 12, 2022 Activated carbons from argan nutshells were prepared by chemical activation using phosphoric acid H3PO4. This material was characterized by thermogravimetric analysis, infrared spectrometry, and the Brunauer–Emmett–Teller method. The adsorption of two emerging compounds, a stimulant caffeine and an anti-inflammatory drug diclofenac, from distilled water …

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Pyrolysis: A Sustainable Way to Generate Energy from Waste ...

Pyrolysis: A Sustainable Way to Generate Energy from Waste ...

Oct 15, 2016 The physiochemical properties of biocar matrix greatly vary with reactor type and design, biomass composition, particle size and extent of drying, chemical activation, heating rate, reaction time, pressure, flow rate of inert gas, etc. [29, 92–96]. If higher heating rate up to 105–500 C/s is used for less retention time and finer particle ...

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Two-equation eddy-viscosity turbulence models for ...

Two-equation eddy-viscosity turbulence models for ...

Sep 21, 2018 Two-equation eddy-viscosity turbulence models for engineering applications. F. R. Menter; ... Study on the design method for axial flow runner that combines design of experiments, response surface method, and optimization method to one-dimensional design method ... Effect of trailing edge dual synthesis jets actuator on aerodynamic ...

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Maximizing sinusoidal channels of ... - Nature Communications

Maximizing sinusoidal channels of ... - Nature Communications

Sep 25, 2019 The shape-selective catalysis enabled by zeolite micropore’s molecular-sized sieving is an efficient way to reduce the cost of chemical separation in the chemical industry. Although well studied ...

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Development and Recent Progress on Ammonia Synthesis ...

Development and Recent Progress on Ammonia Synthesis ...

The design of the ammonia synthesis loop is an in-depth topic that has been covered extensively elsewhere. [2, 29, 48, 49] However, it is important to highlight the key concepts of this process to understand the goals of ammonia synthesis catalyst development and how the said catalysts can be implemented.

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Esterification - an overview | ScienceDirect Topics

Esterification - an overview | ScienceDirect Topics

Thus, Mo et al. compared the activity and recycling behavior of sulfonated carbons obtained from d-glucose pyrolysis in esterification reaction of acetic and caprylic acid with methanol [58].These solids possess very low surface areas ( 1 m 2 g − 1) and acid sites density of sulfonic groups between 0.5 and 0.64 mmol g − 1.Comparing activities, a different trend was observed.

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