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All Journal Indonesian Journal of Chemical Science and Technology Educenter: Jurnal Ilmiah Pendidikan EDUCENTER JURNAL PENDIDIKAN
Jasmidi
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Energy Health Professions Materials Science & Nanotechnology

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Adsorption and Desorption Properties of Beta Carotene in Crude Palm Oil on Activated Carbon Composites of Oil Palm Empty Fruit Bunches with MOFs-Cu(TAC) Frengky Sanjaya Ginting; Yunita Dwi Utami; Desika Devani Br Surbakti; Dika Fahreza; Wella Apriwidyanti; Therecia Fricillia Ginting; Putri Faradilla; Rini Selly; Jasmidi; Moondra Zubir
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 1 (2025): JANUARY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i1.68660

Abstract

Oil palm bunches Empty fruit bunches are the main lignocellulosic solid waste that has not been optimally utilized, so many empty bunches are not processed. Unprocessed EFB causes a foul odor and becomes a place for flies to nest. Thus, it is considered as waste that pollutes the environment. Adsorption is a popular new method to reduce heavy metal content and waste in water, in addition the adsorption method is also effective and efficient in terms of the absorption process, and can also be a regeneration adsorbent. This study began with the preparation of empty oil palm bunches which were then carbonized and activated with H3PO4, then synthesized with MOFs-Cu(TAC). The final stage was tested for absorption by optimizing mass and time. The XRD pattern shows sharp peaks that appear on the graph indicating metal contact and the KA-Cu(TAC) composite has a good and regular crystal structure. The KA-Cu(TAC) composite has great potential as an alternative adsorbent to improve the quality of palm oil because it has good absorption.
The Effect of Hole Variation on The Performance of Catalytic Conventer from Pulp Waste with Zeolit X Catalyst from Rice Husk Ash Iis Siti Jahro; Moondra Zubir; Jasmidi; Putri Faradilla; Banu Nursanni; Tania Evelin
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 1 (2025): JANUARY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i1.68667

Abstract

The use of a catalytic converter in the exhaust is one solution to reduce pollutant levels in motor vehicle gas emissions. The catalytic converter was made using pulp waste and zeolite X from rice husk ash. This research examines the effect of varying number of holes 3, 5 and 7 on the absorption and conversion capacity of the catalytic converter. Making a catalytic converter from solid pulp waste consisting of grit, dreg and biosludge with the addition of zeolite synthesized from rice husk ash is carried out through the stages of granulating, mixing, molding and burning. The performance of the catalytic converter is measured using the Gas Analyzer shows that the catalytic converter with the 7 holes has the maximum absorption capacity for each motor vehicle gas emissions; CO, HC and CO2 respectively amounted to 39.06; 33.18 and 44.80% with an increase in O2 gas of 42.21%.
Adsorption and Desorption Properties of Beta-Carotene in Crude Palm Oil (CPO) Using Empty Fruit Bunch-Based Activated Carbon Composite with Metal-Organic Frameworks (MOFs) - Fe(TAC) Yunita Dwi Utami; Trivena Myta Br. Manik; Frengky Sanjaya Ginting; Chyntya Angelina PN; Sri Rahayu; Syafrina Letare Lubis; Jasmidi; Rini Selly; Putri Faradilla; Moondra Zubir
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 1 (2025): JANUARY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i1.68676

Abstract

The rapid expansion of oil palm plantations in North Sumatra, from 31,730,961 hectares in 2016 to 41,667,011 hectares in 2018, has resulted in significant solid waste generation, particularly empty fruit bunches (EFB). This study aims to utilize EFB as a precursor for activated carbon production and evaluate its effectiveness in adsorbing beta-carotene from crude palm oil (CPO). EFB was processed through carbonization and activation to create a composite adsorbent KA-Fe(TAC) synthesized with metal-organic frameworks (MOFs). Characterization using X-ray diffraction (XRD) confirmed the crystalline structure of the composite. Results indicated that the optimal adsorption efficiency for activated carbon was 8.925%, while the KA-Fe(TAC) composite achieved 21.645%. The findings suggest that the KA-Fe(TAC) composite significantly enhances beta-carotene adsorption capacity compared to conventional activated carbon. Additionally, the optimal contact time for adsorption was found to be 60 minutes for activated carbon and 150 minutes for the KA-Fe(TAC) composite, indicating improved efficiency over time.
Effect of Cu and Fe Metals on the Synthesis of Activated Carbon Composites of MOFs Cu(TAC) and Fe(TAC) Anggi Nurhasanah Siregar; Jasmidi; Moondra Zubir; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 1 (2025): JANUARY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i1.68680

Abstract

The research focuses on improving the structure and quality of activated carbon by synthesizing porous polymers or Metal-Organic Frameworks (MOFs). Characterization of AC-Cu(TAC)2 and AC-Fe(TAC)3 is carried out using XRD, SEM, and EDX instruments. Characterization of AC- Cu(TAC)2 and AC-Fe(TAC)2 revealed that the observed XRD pattern is representative of the structure of crystalline materials, with AC-Cu(TAC)2 and AC-Fe(TAC)3 having a crystallinity of 40% with both materials forming a triclinic crystal system. Characterization based on SEM at 200x magnification shows that the fibers are interbonded and attached to the cross-section on AC- Cu(TAC)2 , having a relatively large porosity so that it shows a fairly strong bond between activated carbon and Cu(TAC) MOFs. the size of the fragmented fiber particles in AC-Fe(TAC)3 which is relatively not the same as the smaller porosity. EDX characterization shows that Cu and Fe metals are one of the composite materials.
Co-Authors Anggi Nurhasanah Siregar Banu Nursanni Br Manik, Trivena Myta Chyntya Angelina PN Desika Devani Br Surbakti Dika Fahreza Dikki Miswanda Fabella, Yayang Faradilla, Putri Frengky Sanjaya Ginting Iis Siti Jahro Khairahma Khairahmi Moondra Zubir Novrizaldi Wardana Oryza Sativa Pulungan, Ahmad Shafwan Putri Faradilla Ramadhan, Dwi Sapri Rini Selly Rini Selly, Rini Sembiring, Rinawati SRI RAHAYU Syafrina Letare Lubis Tania Evelin Therecia Fricillia Ginting Trivena Myta Br. Manik Wella Apriwidyanti Yunita Dwi Utami Zubir, Moondra