2023
DOI: 10.3390/catal13020449
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Synthesis of Activated Porous Carbon from Red Dragon Fruit Peel Waste for Highly Active Catalytic Reduction in Toxic Organic Dyes

Abstract: In this study, an alternative precursor for production of biomass-derived activated carbon was introduced using dragon fruit (Hylocereus costaricensis) peels. Chemical activators such as FeCl3, MgCl2, ZnCl2 were used in the thermal carbonization process to convert carbon into porous carbon (PC). However, heteroatom-doped PC catalysts including N-, B-, and P-doped carbon catalysts in the field of dye removal is highly desirable. Several approaches (XRD, FE-SEM/TEM, XPS, FT-IR, EDS, and elemental mapping) were e… Show more

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Cited by 7 publications
(5 citation statements)
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“…Activated carbons had characteristic peaks of hydroxyapatite (Ca 5 (PO 4 ) 3 (OH)), which refer to the composition of the raw feedstock. The broad peak at 22–30° and 40–44° could be attributed to the crystal carbon planes (002) and (100), respectively . Amorphous carbon structure was obtained from all of the activated carbon.…”
Section: Resultsmentioning
confidence: 96%
“…Activated carbons had characteristic peaks of hydroxyapatite (Ca 5 (PO 4 ) 3 (OH)), which refer to the composition of the raw feedstock. The broad peak at 22–30° and 40–44° could be attributed to the crystal carbon planes (002) and (100), respectively . Amorphous carbon structure was obtained from all of the activated carbon.…”
Section: Resultsmentioning
confidence: 96%
“…From an application perspective, achieving high performance hinges on the crucial step of converting food waste biochar into porous carbons through the activation process. Activation entails subjecting food waste to elevated temperatures in the presence of an activating agent, which may include steam, CO 2 , or chemical compounds like potassium hydroxide (KOH) and zinc chloride (ZnCl 2 ) [ 115 , 135 ]. This thermal treatment effectively dismantles the intricate organic compounds within the food waste, resulting in the formation of porous carbon.…”
Section: Strategies To Convert Waste Food Into Nanoporous Carbonsmentioning
confidence: 99%
“…Thermogravimetric (TG/DTG) curves of TLCs show that in the first degradation stage (35−105 °C) a minor drop could be ascribed to the disappearance of water (5.54%). Apparently, the temperature from 200 to 500 °C in the TG curve (∼231 °C) corresponds to the heating of organic materials like cellulose, hemicellulose, and lignin, 51 which takes place close to 465 °C with a mass loss of 54.86%. The third stage with a mass loss of 38.66% represents the decomposition of the carbon framework, as shown in Figure 4a.…”
Section: Xrd Analysismentioning
confidence: 99%