MILENIA, BELLA (2025) KARAKTERISASI KARBON AKTIF DARI BAGAS SORGUM MENGGUNAKAN AKTIVASI DUA TAHAP (AKTIVASI KIMIA DAN AKTIVASI FISIKA) SEBAGAI ADSORBEN METILEN BIRU. Undergraduate thesis, UNIVERSITAS PEMBANGUNAN NASIONAL "VETERAN" JAWA TIMUR.
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Abstract
Sorghum bagasse is an agricultural waste containing lignocellulose that has the potential to be used as a carbon precursor. In this study, activated carbon was synthesized from sorghum bagasse using chemical activation (KOH, K₂CO₃, ZnCl₂) and physical activation (800°C). The resulting material was characterized using XRD, SEM, BET, and FTIR, and its adsorption was tested against methylene blue (10–50 ppm) with a variation in time of 20–100 minutes. The results showed that at a concentration of 50 ppm, the ZnCl₂ activator achieved 99.56% adsorption at 80 minutes, while KOH and K₂CO₃ required 100 minutes to achieve a similar value. Overall, KOH was the best activator in the production of activated carbon, but ZnCl₂ excelled in surface area and K₂CO₃ was more suitable for surface chemistry applications.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | MAHASISWA BELLA MILENIA TEKNIK KIMIA | ||||||||
| Date Deposited: | 26 Jan 2026 03:33 | ||||||||
| Last Modified: | 26 Jan 2026 03:33 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49030 |
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