Thermal conversion of pineapple crown leaf waste to magnetized activated carbon for dye removal.


Widi Astuti, FT Teknik Kimia and Triastuti Sulistyaningsih, - and Ella Kusumastuti, - and Gui Yanny Ratna Sari Thomas, - and Rizky Yogaswara Kusnadi, - (2019) Thermal conversion of pineapple crown leaf waste to magnetized activated carbon for dye removal. Bioresource Technology, 287. ISSN 0960-8524

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Abstract

Pineapple crown leaf was successfully converted to the magnetized activated carbon (MAC) as an attractive solution to overcome separation problems. The activated carbon (AC) was produced by an innovative method combining KOH activation and microwave heating while the magnetization process was prepared by a co-precipitation method. In this sense, the activation stage was studied at different impregnation ratio. The resulted magnetic adsorbent was further tested its feasibility for methyl violet dye removal. The result shows that MAC consists of both micropores and mesopores with more oxygen-containing functional groups, indicating it can be used to remove dye from contaminated water. The increase of impregnation ratio led to an increase in the MAC porosity and a decrease in the magnetic property. The adsorption behavior of methyl violet dye onto MAC was well described by the Redlich-Peterson isotherm model.

Item Type: Article
Uncontrolled Keywords: Biomass Magnetic adsorbent Microwave irradiation Adsorption Methyl violet
Subjects: T Technology > TP Chemical technology
Fakultas: Fakultas Teknik > Teknik Kimia, S1
Depositing User: mahargjo hapsoro adi
Date Deposited: 25 Mar 2021 04:27
Last Modified: 25 Mar 2021 23:52
URI: http://lib.unnes.ac.id/id/eprint/43515

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