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Anita, Sofia
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, University Of Riau
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Nursing Physics

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Journal : Jurnal Senpling Multidisiplin Indonesia

 1 
BIOSORBEN ARANG BUAH JABON PUTIH (Anthocephalus cadamba Miq.) UNTUK MENJERAP ION LOGAM MERKURI (II) DALAM AIR T Abu Hanifah; Sofia Anita; Itnawita Itnawita; Ganis Fia Kartika; Romauli Romauli
JURNAL SENPLING MULTIDISIPLIN INDONESIA Vol 2, No 2 (2024)
Publisher : Pelantar Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52364/senpling.v2i2.20

Abstract

The aim of this study was to analyze the adsorption ability and optimum stirring speed of non-activated white jabon fruit carbon and activated carbon on the absorption of mercury (II) ions. White jabon carbon is made through a carbonization process at a temperature of 300ºC for 30 minutes, then activated with NaOH and characterization of activated carbon is also carried out according to SNI 06-3730-1995. The optimization of stirring speed was carried out by varying the stirring speed of 60, 80, 100 and 120 rpm. The results of the characterization of activated carbon of white jabon fruit in this study showed a moisture content of 1.98%, ash content of 3.11%, iodine adsorption capacity of 1160.5285 mg/g and methylene blue adsorption capacity of 25.1024 mg/g. The results of the adsorption test on activated carbon of white jabon fruit showed that the optimum stirring speed condition was 80 rpm with an adsorption efficiency of 99.78% and an adsorption capacity of 0.9641 mg/g. Based on the results of the SEM test, it was found that the activated carbon had more pores than unactivated. 
BIOSORBEN BUAH JABON PUTIH (Anthocephalus cadamba Miq.) UNTUK MENJERAP ION LOGAM MERKURI (II) Faradilla Milenia; T. Abu Hanifah; Sofia Anita; Mufidah Salsabila; Anastasia Kinzky Zipora Nainggolan
JURNAL SENPLING MULTIDISIPLIN INDONESIA Vol 2, No 1 (2024)
Publisher : Pelantar Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52364/senpling.v2i1.18

Abstract

This aims of this study to determine the efficiency and adsorption capacity of the biosorbent in absorbing mercury (II), determine the adsorption kinetics and isotherm model and the biosorbent regeneration ability of white jabon fruit. The optimization of the biosorbent powder was carried out on the parameters of pH, contact time and adsorbate concentration. The biosorbent is regenerated by desorption using an HCl desorption agent. Jabon fruit biosorbent powder was made through the drying process of Jabon fruit that has been cut and washed and then ground using a mortar and pestle. The results of the physical and chemical characteristics in this study showed a water content value of 8.09%, ash content of 1.32%, iodine adsorption capacity of 753.5812 mg/g and methylene blue adsorption capacity of 24.8632 mg/g. The results of the biosorption test showed that the optimum conditions for the biosorbent powder were pH 6 with an efficiency of 99.728% and a capacity of 4.7855 mg/g,  a contact time of 40 minutes with an efficiency of 99.493% and a capacity of 4.7747 mg/g, at an initial concentration of 80 mgL-1 with an efficiency of 99,912. % and the capacity was 3,5761 mg/g. Based on the FTIR results, the functional groups were C-H aliphatic, C-H aromatic, C=O, C-O and N-H. Based on the results of BET analysis, biosorbent powder had a surface area before adsorption of 3.53039 m2/g, after adsorption I 0 m2/g and after regeneration II 0.17056 m2/g. Based on the SEM-EDS results, it was found that the jabon fruit biosorbent powder had elements of O, C, Na, N, Cl, K, Hg and had an uneven texture. However, because it was in powder form, the distance between the particles looked very tight and has a small grain size. So the surface texture looked very smooth. In this study, the percentage of regeneration was 98.36%. The adsorption kinetics of this study follows the second-order Pseudo equation where the equation was y = 0.2097x - 0.0075 with R2 = 1 and K= 5.86339 gmg-1min-1, assuming a chemical adsorption process which includes intervalence forces or electron exchange between the adsorbent and adsorbate and the adsorption isotherm model follows the Langmuir equation with the equation y= 0.019x + 0.0153 with R2 = 0.9665 It is assumed that the active site on the surface of the adsorbent is homogeneous. 
EFEKTIVITAS REDUKSI GAS METANA (CH4) LIMBAH POME KELAPA SAWIT DENGAN METODE CONTINUOUSLY STIRRED TANK REACTOR (CSTR) DAN EFFLUENT POND Sugiyatno Sugiyatno; Bintal Amin; Sofia Anita
JURNAL SENPLING MULTIDISIPLIN INDONESIA Vol 3, No 2 (2025)
Publisher : Pelantar Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52364/jsmi.v3i2.34

Abstract

Palm oil plantations are a significant sector in Indonesia’s economy, with crude palm oil (CPO) production reaching over 43 million tons in 2020. However, this increased production also generates large amounts of liquid waste known as Palm Oil Mill Effluent (POME). POME contains high concentrations of organic substances that can pollute the environment and serve as a source of greenhouse gas emissions, particularly methane (CH₄), which has a global warming potential 25 times greater than carbon dioxide (CO₂). This study aims to evaluate the existing conditions of liquid waste treatment in the effluent pond system, examine the effect of mixing variations on methane production in the Continuously Stirred Tank Reactor (CSTR) system, compare the methane emission reduction efficiency between the two systems, and analyze the social and economic impacts of implementing these waste treatment technologies. The research was conducted at the Sei Pagar Palm Oil Mill owned by Perkebunan Nusantara V in Kampar Regency, Riau Province (coordinates N 00°19’35”, E 101°21’9”), from July to September 2023. The method used was quantitative experimental, involving sampling of liquid waste (POME) analyzed through both CSTR and effluent pond systems. Methane reduction was measured using a Biogas 5000 Analyzer, with supporting data obtained from relevant literature. The results indicate that sludge mixing duration has a significant effect on methane (CH₄) production. A mixing duration of 5 hours with a pump capacity of 20 m³/hour resulted in oil content in the reactor between 0.03% and 0.06% and higher methane production compared to mixing durations of 2, 3, and 4 hours. The CSTR system also demonstrated higher methane production efficiency than the effluent pond system, although optimal mixing still needs improvement. Waste treatment using CSTR technology positively contributes to reducing greenhouse gas emissions and provides economic and social benefits to the surrounding community. The implementation of this technology is recommended as a sustainable strategy to mitigate the negative impacts of the palm oil industry while enhancing renewable energy value
Co-Authors Amilia Linggawati Anastasia Kinzky Zipora Nainggolan Ardiansyah Hamid Bintal Amin Budi Astuti Christine Jose Dariyatmo Dariyatmo Darnita Darwis Defrianto Defrianto Erman Taer Faradilla Milenia Ganis Fia Kartika Haryana bin Mohd Hairi Hasdi Yanti HS I Gusti Wayan Murjana Yasa I Ketut Suada Idwar, , Itnawita Itnawita Itnawita Itnawita Jasmiyati Jasmiyati Jully Handoko Maulana Hardi Miranti Putri Ridwan Gucci Mirna Ilza Mubarak Mubarak Mufidah Salsabila Nur Oktri Mulya Dewi Nurhayati Nurhayati Okfalisa Okfalisa Oktavia Surya Indra Rahmondia Nanda Setiadi Rini, Ari Sulistyo Romauli Romauli Romi Fadli Syahputra Saktioto Saktioto Saktioto, Saktioto Satria Heriady Soerbakti, Yan Sofyan Husein Siregar Sugeng Abriyanto Sugiyatno Sugiyatno Suharsimi Absus Syafruddin Nasution Syamsudhuha Syamsudhuha T. Abu Hanifah Tengku Ariful Amri Tengku Nurhidayah Thamrin Thamrin Vivi Roza Wahyu Hardinsyah Putra Yan Soerbakti Yanova, Shally Yolanda Rati Yonda Safutra Yusni Ikhwan Siregar