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All Journal IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) IJEMS (Indonesian Journal of Environmental Management and Sustainability) Molekul: Jurnal Ilmiah Kimia
Muhammad Said
Sriwijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Energy Environmental Science Public Health

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Preparation and Characterization Nanoparticle Calcium Oxide from Snakehead Fish Bone using Ball Milling Method Muryati Muryati; Poedji Loekitowati Hariani; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 4, No 3 (2019): October 2019
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v4.i3.111

Abstract

Snakehead Fish Bone (SFB) is a waste from food processing in Palembang. Fish bones have calcium content so they have a potential as a source of Calcium Oxide (CaO). Calcination of fish bones was carried out at a temperature of 900oC with variations of time 1, 2, 3, and 4 hours. The Nanoparticle Calcium Oxide (NCO) was prepared using the ball milling method. This study aims to make NCO as a raw material for hydroxyapatite synthesis. The NCO was characterized using Fourier Transform Infra-Red (FTIR), X-Ray Diffraction (XRD), and Scanning Electron Microscope (SEM). Characterization using FTIR shows that NCO has functional groups O-H, CO32- and PO43- functional groups. XRD analysis shows that NCO has an average particle size of 38.9445 nm.Analysis using SEM shows particles in the form of granules of almost uniform size. The NCO produced eligible of the nanomaterial and has the potential as a raw material for synthesis of hydroxyapatite.Keywords: Nanomaterial, ball milling, calcium oxide, fish bone
Synthesis NiFe2O4 Nanoparticles by co-Precipitation Method for Degradation of Congo Red Dye Astri Nurmayansih; Poedji Loekitowati Hariani; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 6, No 3 (2021): October 2021
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v6.i3.115

Abstract

The NiFe2O4 nanoparticle was synthesized using co-precipitation method. This study done to the purpose for get the photocatalyst magnetic. The product of NiFe2O4 nanoparticles were characterized by XRD, FTIR, SEM EDS and UV DRS instrumentation. The result of characterization NiFe2O4 nanoparticles was showed a sharp intensity peak at 2θ of 35.73o. The characterization using FTIR was showed the absorption band of Ni-O metal oxide at 779.24 cm-1 and the absorption band of Fe-O metal oxide at 694.37 cm-1. Characterization using SEM-EDS showed the NiFe2O4 nanoparticles have agglomeration because the nanoparticles possess high surface energy. The composition element of NiFe2O4 nanoparticles was 47.84% O, 15.37% Fe, and 9.89% Ni. Meanwhile, the result of characterization using UV DRS was showed sharp peak intensity of wavelength at 319 nm. The band gap energy of NiFe2O4 nanoparticles with direct transition in 1.11 eV and indirect transition in 1.98 eV using Tauc method. Then, the result of photodegradation toward congo red was showed effectively at the concentration in 100 mg/L, the contact time in 25 minutes and the pH in 6 or pH 5,7 with removal effectivity was 71.104%.
Synthesis of SnO2-Fe3O4 Nanocomposites using Hydrothermal Method Widya Twiny Rizki; Poedji Loekitowati Hariani; Addy Rachmat; Muhammad Said; Nur Hanis Hayati Hairom
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 5, No 3 (2020): October 2020
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v5.i3.88

Abstract

Synthesis of nanocomposite SnO2-Fe3O4 using the hydrothermal method was conducted in this study. The purpose of this study was to determine the best mass ratio in the synthesis of SnO2-Fe3O4. Nanocomposite SnO2-Fe3O4 were made with mass ratio (1:1), (1:2) and (2:1) were characterized using XRD and FTIR. The result of SnO2 characterization using XRD analysis was showed a sharp intensity peak at 2  = 26.5. The result of  Fe3O4 characterization using XRD analysis was showed a sharp intensity peak at 2  = 35.86. The XRD characterization result of SnO2-Fe3O4 (1:2) 2  = 26.74 and 34.08. Based on the XRD characterization, it can be concluded the best mass ratio for SnO2-Fe3O4 was (1:2). Characterization nanocomposite SnO2-Fe3O4 using FTIR showed the absorption band at 590 cm-1 is a characteristic peak of Sn-O and the absorption band at 563 cm-1 corresponds to Fe-O.
Optimization of Bio-Oil Pyrolysis Product from Palm Empty Fruit Bunches over H-Zeolite Catalyst using Response Surface Methodology (RSM) Zainal Fanani; Addy Rachmat; Hasanudin hasanudin; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 6, No 3 (2021): October 2021
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v6.i3.122

Abstract

Bio-oil pyrolysis product considered as a promising resource of hydrocarbon compound that can be used as alternative fuel or other application. Palm empty fruit bunch (PEFB) based bio-oil converted into hydrocarbon trough pyrolysis over sulfate activation natural zeolite. Here, we reported an optimization process of bio-oil pyrolysis specifically on temperature and catalyst dose variables by using response surface methodology (RSM). Prior conversion process, PEFB was analyzed to determine cellulose, hemicellulose and lignin content. Sulfate activation natural zeolite confirmed its acidity by ammonia and pyridine adsorption calculated by gravimetric method. Two independent variables namely temperature and catalyst weight used in optimization process by RSM whereas response variable is conversion percentage. Analysis result on cellulose, hemicellulose and lignin content are 45.39%, 30.36% and 20.5% respectively. Catalyst acidity determination based on ammonia and pyridine adsorption gave 1.002 mmol/g and 0.1994 mmol/g. Optimum condition of hydrocracking achieved at 568 °C and 2.1088 g catalyst weight with the product obtained at 62.21% conversion. The best product density is 1.086 g/mL obtained at hydrocracking temperature 554 °C and 2.0362 g catalyst. Based on GC-MS analysis, it was confirmed that the product comprises more straight-chain hydrocarbon than cyclic one. RSM calculation able to formulate the feasible model equation to predict the conversion percentage. The equation is; percent conversion = 60.059 + 14.268T + 9.783W – 25.649T2 – 18.809W2 + 3.114TW, whereas model equation for response variable on product density; ρ= 1.09103 – 0.12356T – 0.09744W + 0.11489T2 + 0.28888W2 – 0.00740TW
The Effect of Calcium Oxide and Aluminum Sulfate on Iron, Manganese and Color Removal at Peat Water Treatment Dedy Mulyadi; Sri Haryati; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 5, No 2 (2020): June 2020
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v5.i2.42

Abstract

The availability of clean water is a basic need for human life. Peat water is well-known as acidic water (low pH), high content of Fe2+ and Mn2+ and colored that make it hard to remove by conventional filtration method. Treatment in batch and continuous methods by using Calcium Oxide (CaO) and aluminum sulfate Al2 (SO4)3×18H2O result in significance reduce of iron and manganese. The batch method in particular, able to reduce iron from 3.5 ppm to 0.1 ppm (97%), manganese from 0.59 ppm to null (100%) and color from 130 TCU to 1.7 TCU. Turbidity also reduced from 33.8 NTU to 1.9 NTU whereas pH increase from 3.19 to 6.8. The continuous method in different circumstances shows iron removal from 3.35 ppm to 0.05 ppm (98.6%), manganese from 0.5 ppm to null (100%) whilst pH raised from 3.19 to 7.16 and turbidity decrease from 31.8 NTU to 1.14 NTU. Both results fulfill the water quality standard required by Permenkes No. 416/Menkes/1990
Box Behken design for optimization of COD removal from Palm oil mill effluent (POME) using Reverse osmosis (RO) membrane Muhammad Said; Muneer ba Abbad; Siti Rozaimah Sheik Abdullah; Abdul Wahab Mohammad
Indonesian Journal of Environmental Management and Sustainability Vol. 3 No. 1 (2019): March
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (685.771 KB) | DOI: 10.26554/ijems.2019.3.4.39-46

Abstract

The optimization of COD removal from palm oil mill effluent (POME) using the Reverse Osmosis (RO) membrane was investigated. Experimental conditions for reduce the COD value of POME were achieved successfully using the Box Behken design. The values of affecting factors (POME concentration, pH and Transmembrane pressure were optimized according to the polynomial regression model. The predicted conditions to produce lower COD values were found to be POME concentration (vol. %) =28.30, pH =10.75 and Transmembrane pressure= 0.69 kPa. The predicted of COD value was 24.137 mg/l which in good agreed with experiment value as 25.763 mg/l was obtained.
Cr/Al Pillared Bentonite and Its Application on Congo Red and Direct Blue Removal Muhammad Said; Afifah Rahma Dian; Risfidian Mohadi; Aldes Lesbani
Molekul Vol 15, No 3 (2020)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.732 KB) | DOI: 10.20884/1.jm.2020.15.3.594

Abstract

Bentonite was modified through pillarization with metal oxide Cr/Al in 2:1 and 1:2 ratio to obtain larger basal spacing of bentonite-layered structure. Pillarization was conducted via intercalation method at room temperature followed by calcination. The result was characterized by using XRD and FT-IR Spectrophotometer. XRD pattern shown pillarization by Cr/Al 2:1 ratio gave peak at 2θ 5.3° which is correspond to d = 16.4 Å. At 1:2 Cr/Al ratio, peak appears at 2θ 6.4° that is related to d = 13.7 Å. FTIR Spectroscopy measurement gave inconclusive result. The Cr/Al pillared bentonite at 2:1 ratio was applied as adsorbent on Congo red and Direct blue dyes. The result indicates the adsorption follows Freundlich isotherm. Adsorption rate for both dyes follows pseudo-second order with rate constant of pillared bentonite higher than natural one. Adsorption isotherm concludes that Freundlich isotherm is favorable compare to Langmuir. Thermodynamic evaluation suggests that isotherm occurs spontaneously in an exothermic process.
Co-Authors Abdul Wahab Mohammad Addy Rachmat Addy Rachmat Afifah Rahma Dian Aldes Lesbani Astri Nurmayansih Dedy Mulyadi Fanani, Muhammad Zainal Hasanudin hasanudin Muneer ba Abbad Muryati Muryati Nur Hanis Hayati Hairom Poedji Loekitowati Hariani Risfidian Mohadi Rizki, Widya Twiny Siti Rozaimah Sheik Abdullah Sri Haryati