The Effect of Chemical Activating Agent on the Properties of Activated Carbon from Sago Waste
Source abstract
Abstract
The effect of chemical activators on the properties of activated carbon from sago waste was conducted in this study by using ZnCl2, H3PO4, KOH, and KMnO4 chemical solutions. The carbonized sago waste was added to each chemical solution, boiled at 85 °C for 4 h, and heated at 600 °C for 3 h. The porosity, microstructural, proximate, and surface chemistry analyses were carried out using nitrogen adsorption with employing the Brunauer Emmett Teller (BET) method and the Barret-Joyner-Halenda (BJH) calculation, scanning electron microscopy by using energy dispersive spectroscopy, X-ray diffractometer, simultaneous thermogravimetric analysis system, and the Fourier-transform infrared spectroscopy. The results showed that the activated carbon prepared using ZnCl2 acid had the highest specific surface area of 546.61 m2/g, while the KOH activating agent surpassed other chemicals in terms of a refined structure and morphology, with the lowest ash content of 10.90%. The surface chemistry study revealed that ZnCl2 and KOH activated carbon showed phenol and carboxylate groups. Hence, ZnCl2 acid was suggested as activating agents for micropore carbon, while KOH was favorable to producing a mesopore-activated carbon from sago waste.
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Research context
OpenAlex topics: Adsorption and biosorption for pollutant removal · Supercapacitor Materials and Fabrication · Natural Products and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Physics Study Program, Department of Physics, Universitas Cenderawasih, Jayapura 99358, Indonesia
Geophysical Engineering Study Program, Department of Physics, Universitas Cenderawasih, Jayapura 99358, Indonesia
Funding
Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia
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