Adsorbent Characterization from Cocoa Shell Pyrolysis (Theobroma cacao L) and its Application in Mercury Ion Reduction

• Autorzy: Nursiah Cut , Desvita Hera , Elviani Elviani , Farida Nurlia , Muslim Abrar , Rosnelly Cut Meurah , Mariana Mariana , Suhendrayatna Suhendrayatna

Identyfikatory

DOI

10.12911/22998993/163167

• Języki publikacji: EN

Abstrakty

EN

In this paper, we describe the characterization and application of adsorbent derived from the pyrolysis of cocoa shells, which is a natural source of adsorbent materials. The adsorbent that was used in this experiment is an environmentally friendly adsorbent that was prepared by the pyrolysis of cocoa shells. For 1.5 hours, the pyrolysis process was carried out at temperatures ranging from 300 to 380 °C. The adsorbent was characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and analysis with an X-ray diffraction (XRD) analyzer. Water-ash content and iodine absorption capacity were also determined in accordance with SNI 06-3730-1995. At a contact time of 90 minutes, the adsorption capacity of mercury ions was found to be 0.106 mg/gram. In this study, the adsorption of mercury ions with the adsorbent followed pseudo-second-order models with an R2 value of 0.9929.

Słowa kluczowe

EN

characterisation; pyrolysis; adsorbent; cocoa shell; mercury ion

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2023
• Tom: Vol. 24, nr 6
• Strony: 366--375
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Nursiah Cut

• Graduate School of Environmental Management, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
• Environmental Laboratory, Department of Environment, Pidie Regency 24111, Indonesia

• https://orcid.org/0009-0000-9660-3030

autor

Desvita Hera

• Doctoral Program, School of Engineering, Post Graduate Program, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia

autor

Elviani Elviani

• Department of Agrotechnology, Universitas Iskandar Muda, Banda Aceh, 23234 Indonesia

autor

Farida Nurlia

• Department of Agrotechnology, Universitas Iskandar Muda, Banda Aceh, 23234 Indonesia

autor

Muslim Abrar

• Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia

autor

Rosnelly Cut Meurah

• Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia

autor

Mariana Mariana

• Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia

autor

Suhendrayatna Suhendrayatna

• Department of Chemical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
• Biochar and Forest Conservation Research Center, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia

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