Effect of Freeze-Drying Pre-treatment on the Properties of Activated Carbon Derived from Arabica Coffee Pulp

Ahmad Hidayat Effendy; Adi Setiawan; Rozanna Dewi; Lukman Hakim; Rizqon Hasibuan

doi:10.14710/reaktor.24.3.82-93

DOI: https://doi.org/10.14710/reaktor.24.3.82-93

Effect of Freeze-Drying Pre-treatment on the Properties of Activated Carbon Derived from Arabica Coffee Pulp

Ahmad Hidayat Effendy - Magister Program in Renewable Energy Engineering, Faculty of Engineering, Universitas Malikussaleh, Jalan Batam, Bukit Indah, Lhokseumawe, Indonesia

*Adi Setiawan

- Mechanical Engineering Department, Faculty of Engineering, Universitas Malikussaleh, Jalan Batam, Bukit Indah, Lhokseumawe, 24352, Indonesia., Indonesia

Rozanna Dewi - Department of Chemical Engineering, Faculty of Engineering, Universitas Malikussaleh, , Indonesia

Lukman Hakim - Department of Chemical Engineering, Faculty of Engineering, Universitas Malikussaleh, , Indonesia

Rizqon Hasibuan - Biomass and Hydrogen Technology (BiHYTech) Research Centre, Universitas Malikussaleh, Indonesia

Received: 8 Jan 2025; Published: 21 Apr 2025.

BibTex Citation Data :

@article{Reaktor70070,
    author = {Ahmad Effendy and Adi Setiawan and Rozanna Dewi and Lukman Hakim and Rizqon Hasibuan},
    title = {Effect of Freeze-Drying Pre-treatment on the Properties of Activated Carbon Derived from Arabica Coffee Pulp},
    journal = {Reaktor},
  volume = {24},
    number = {3},
    year = {2025},
    keywords = {},
    abstract = {  Activated carbon is a product that has many benefits since it has a high surface area and high fixed carbon content. Currently, there is still limited research that focuses on the use of coffee pulp biomass as raw material for activated carbon due to its natural properties which poses challanges. The aim of this research is to examine the influence of the pre-treatment process using the freeze-drying method on the properties of active carbon from coffee pulp waste. The best-activated carbon products can then be applied as energy storage materials. The steps taken in this study include stages (i) washing and soaking the raw materials; (ii) drying using the freeze-drying method; (iii) pyrolysis process; and (iv) activation process. Some samples were chemically activated using a KOH solution, some were physically activated using Nitrogen at a temperature of 800 °C, and the others were activated using a mixed chemical-physical method. The results of the activated carbon characteristic test show that samples dried using a freeze dryer have quite good thermal resistance with a surface morphology that has more pores. This is supported by functional group analysis which shows a reduction in unnecessary sample compounds. This research shows that freeze-drying pre-treatment affects the properties of activated carbon and indicates that the resulting activated carbon can be used as an energy storage material.  },
   issn = {2407-5973},   pages = {82--93}  doi = {10.14710/reaktor.24.3.82-93},
    url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/70070}
}

Citation Format:

Abstract

Activated carbon is a product that has many benefits since it has a high surface area and high fixed carbon content. Currently, there is still limited research that focuses on the use of coffee pulp biomass as raw material for activated carbon due to its natural properties which poses challanges. The aim of this research is to examine the influence of the pre-treatment process using the freeze-drying method on the properties of active carbon from coffee pulp waste. The best-activated carbon products can then be applied as energy storage materials. The steps taken in this study include stages (i) washing and soaking the raw materials; (ii) drying using the freeze-drying method; (iii) pyrolysis process; and (iv) activation process. Some samples were chemically activated using a KOH solution, some were physically activated using Nitrogen at a temperature of 800 °C, and the others were activated using a mixed chemical-physical method. The results of the activated carbon characteristic test show that samples dried using a freeze dryer have quite good thermal resistance with a surface morphology that has more pores. This is supported by functional group analysis which shows a reduction in unnecessary sample compounds. This research shows that freeze-drying pre-treatment affects the properties of activated carbon and indicates that the resulting activated carbon can be used as an energy storage material.

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Funding: Directorate of Research, Technology, and Community Service, Ministry of Education, Culture, Research and Technology, Republic of Indonesia under contract 058/E5/PG.02.00.PL/2024

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Section: Research Article

Language : EN

In Volume 24 No.3 December 2024

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