The Study of Hydrothermal Carbonization and Activation Factors' Effect on Mesoporous Activated Carbon Production From Sargassum sp. Using a Multilevel Factorial Design

Tirto Prakoso; Heri Rustamaji; Daniel Yonathan; Hary Devianto; Pramujo Widiatmoko; Jenny Rizkiana; Guoqing Guan

doi:10.14710/reaktor.22.2.59-69

DOI: https://doi.org/10.14710/reaktor.22.2.59-69

The Study of Hydrothermal Carbonization and Activation Factors' Effect on Mesoporous Activated Carbon Production From Sargassum sp. Using a Multilevel Factorial Design

Tirto Prakoso - Chemical Engineering Departmen, Bandung Institute of Technology, Indonesia

*Heri Rustamaji - Deapartment of Chemical Engineering, Lampung University, Indonesia

Daniel Yonathan - Chemical Engineering Departmen, Bandung Institute of Technology, Indonesia

Hary Devianto - Chemical Engineering Departmen, Bandung Institute of Technology, Indonesia

Pramujo Widiatmoko - Chemical Engineering Departmen, Bandung Institute of Technology, Indonesia

Jenny Rizkiana - Chemical Engineering Departmen, Bandung Institute of Technology, Indonesia

Guoqing Guan - Hirosaki University, Japan

Received: 16 Jun 2022; Published: 30 Aug 2022.

BibTex Citation Data :

@article{Reaktor46971,
    author = {Tirto Prakoso and Heri Rustamaji and Daniel Yonathan and Hary Devianto and Pramujo Widiatmoko and Jenny Rizkiana and Guoqing Guan},
    title = {The Study of Hydrothermal Carbonization and Activation Factors' Effect on Mesoporous Activated Carbon Production From Sargassum sp. Using a Multilevel Factorial Design},
    journal = {Reaktor},
  volume = {22},
    number = {2},
    year = {2022},
    keywords = {},
    abstract = {  Seaweeds are large-scale multicellular marine algae categorized based on color as Chlorophyceae, Rhodophyceae, and Phaeophyceae. No information has been provided on the conditions affecting the production of mesoporous activated carbon from one member of the described aquatic plants, namely Sargassum sp. Therefore, this study aimed to determine the impact of the main factors and their interactions on Sargassum sp.-derived activated carbon manufactured (SAC) by hydrothermal carbonization and CO 2  activation methods. A mathematical approach was employed using a multilevel factorial design with the main factors being the activator type (ZnCl 2 , CaCl 2 , & KOH), hydrothermal temperature (200, 225, & 250 o C), and activator ratios (2 & 4). Meanwhile, the response variables were yield and BET surface area (S BET ) of SAC. Morphological, functional, crystallographic, and porosity characterization was carried out on the samples. The SAC-Ca-200-2 sample had the highest yield, with the value being 26.5 percent of weight. The activators having the highest specific surface area (S BET ) were SAC-Zn-250-4, SAC-Ca-225-2, and SAC-K-250-2, with 1552, 1368, and 1799 m 2 /g, respectively. The pore size distribution in SAC products ranged from 2.16 to 10 nm in diameter. The analysis conducted indicated the activator type and interaction with its ratio substantially impacted the SAC yield value; besides, only the activator type affects the formation of high surface area pores.    },
   issn = {2407-5973},   pages = {59--69}  doi = {10.14710/reaktor.22.2.59-69},
    url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/46971}
}

Citation Format:

Abstract

Seaweeds are large-scale multicellular marine algae categorized based on color as Chlorophyceae, Rhodophyceae, and Phaeophyceae. No information has been provided on the conditions affecting the production of mesoporous activated carbon from one member of the described aquatic plants, namely Sargassum sp. Therefore, this study aimed to determine the impact of the main factors and their interactions on Sargassum sp.-derived activated carbon manufactured (SAC) by hydrothermal carbonization and CO₂ activation methods. A mathematical approach was employed using a multilevel factorial design with the main factors being the activator type (ZnCl₂, CaCl₂, & KOH), hydrothermal temperature (200, 225, & 250^oC), and activator ratios (2 & 4). Meanwhile, the response variables were yield and BET surface area (S_BET) of SAC. Morphological, functional, crystallographic, and porosity characterization was carried out on the samples. The SAC-Ca-200-2 sample had the highest yield, with the value being 26.5 percent of weight. The activators having the highest specific surface area (S_BET) were SAC-Zn-250-4, SAC-Ca-225-2, and SAC-K-250-2, with 1552, 1368, and 1799 m²/g, respectively. The pore size distribution in SAC products ranged from 2.16 to 10 nm in diameter. The analysis conducted indicated the activator type and interaction with its ratio substantially impacted the SAC yield value; besides, only the activator type affects the formation of high surface area pores.

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Section: Research Article

Language : EN

In Volume 22 No.2 August 2022

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