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Carbon Adsorption Kinetics - Europe PMC

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Last Updated: 23 January 2023

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Enhanced adsorption capacity of activated carbon over thermal oxidation treatment for methylene blue removal: kinetics, equilibrium, thermodynamic, and reusability studies.

Activated carbon is a fast and inexpensive adsorbent material for dye removal, but it cannot be used consistently. When treated at 350 b0C, it was discovered that thermal air oxidation could enhance the formation of oxygenated functional groups on AC made from steam-activated carbon coconut shell, which was 2. 8 times higher than non-air-oxidized AC. Thermal air oxidation treatment could significantly improve the adsorption efficiency of AC and regenerate spent AC in a cost-effective and environmentally friendly process relative to other regeneration techniques, based on these findings.

Source link: https://europepmc.org/article/MED/36605667


Carbon capture of biochar produced by microwave co-pyrolysis: adsorption capacity, kinetics, and benefits.

The biochar produced by microwave copyrolysis of 25% sewage sludge and 75% leucaena wood had the highest CO 2 adsorption capacity at 150 W power factor. When the biochar was produced at 100 W, its CO 2 adsorption capacity was higher than anticipated. Two equations were developed to estimate CO 2 adsorption capacity based on the proximate and elemental compositions of biochar. According to the higher R 2 value given, a proximate composition of biochar can give a more accurate estimate of CO 2 adsorption capacity than elemental composition. The biochar made from 1 metric tonne of sewage sludge and leucaena wood can offset carbon tax by 83 U. S. dollars. Microchar production with high CO 2 adsorption capacity should be a cost-effective method to produce biochar with high CO 2 adsorption capacity, based on experimental findings and findings.

Source link: https://europepmc.org/article/MED/36280634

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions