Penyiapan Arang Aktif Pelepah Kelapa Sawit sebagai Adsorben Asam Lemak Bebas dari CPO (Crude Palm Oil)

Muhdarina,; Nurhayati, Nurhayati; Pahlepi, Mhd. Reza; Pujiana, Zetria; Bahri, Syaiful

doi:10.15575/ak.v7i1.6497

Cited by 3 publications

(3 citation statements)

References 10 publications

(17 reference statements)

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“…With increasing time, the number of vacant sites decreases, so the adsorption rate is slow. At one point, when the adsorption sites are depleted, there will be repulsion between the adsorbate on the surface of the adsorbent and the adsorbate for FFA [38]. Interestingly, we found that the addition of adsorbent of MS-POBA free template (4.12%) and MS-POBA with the template (4.68%) onto CPO resulted in the value of FFA having been considered to SNI standard.…”

Section: The Effect Of the Contact Timementioning

confidence: 91%

Synthesis of Mesoporous Silica from Palm Oil Boiler Ash (MS-POBA) with Addition of Methyl Ester Sulfonate as a Template for Free Fatty Acid Adsorption from Crude Palm Oil (CPO)

Sitohang,

Kuncaka,

Suratman

2024

Indones. J. Chem.

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The synthesis of mesoporous material by utilizing palm oil boiler ash (POBA) waste as the silica source and methyl ester sulfonate (MES) surfactant as the template for a high-porosity was investigated for free fatty acids (FFA) adsorption. The research was initiated with silica extraction from POBA by sodium hydroxide addition through the sol-gel precipitation method. Silica modification was carried out with MES surfactant and 3-aminopropyltrimethoxysilane (APTMS) as the co-structure-directing agent (CSDA) in different calcination temperatures. Mesoporous silica-POBA (MS-POBA) free template had a surface area, pore diameter, and pore volume (41.033 m2/g, 4.180 nm, and 0.250 cm3/g) lower than MS-POBA with the template (71.0147 m2/g, 7.923 nm, and 0.524 cm3/g). The ability of MS-POBA to adsorb FFA reached its optimum conditions with an adsorption time of 20 min and an adsorbent dosage of 0.24 g. The FFA removal by MS-POBA with the template was found to have higher adsorption ability, which was 35.54%, compared to the MS-POBA free template of 26.68%. The high porosity of MS-POBA with a template makes the FFA adsorption capacity of this material higher than MS-POBA free template.

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Section: The Effect Of the Contact Timementioning

confidence: 91%

Synthesis of Mesoporous Silica from Palm Oil Boiler Ash (MS-POBA) with Addition of Methyl Ester Sulfonate as a Template for Free Fatty Acid Adsorption from Crude Palm Oil (CPO)

Sitohang,

Kuncaka,

Suratman

2024

Indones. J. Chem.

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“…The palm fronds waste has been converted into palm frond charcoal (Charcoal Oil Palm Fronds, COPF) with a calcination temperature of 600°C and a variation of 30, 60, and 120 minutes. The most significant efficiency of free fatty acid adsorption in CPO at COPF 600 at 60 minutes of carbonization time was 77.81% [4]. Research by Melati et al [5] proves that activated carbon is effectively used as an adsorbent for solids, liquids, or gas.…”

Section: Introductionmentioning

confidence: 97%

“…The adsorption efficiency of Fe from peat water is still relatively low; therefore, it is required to discover other sources, such as oil palm fronds waste, that are simple to find and prepare, environmentally friendly, timeefficient in decreasing Fe, and cost-effective. From the explanation above, an adsorbent based on palm frond charcoal will be synthesized with carbonization temperature variations of 400, 500, and 600°C for 60 minutes based on Muhdarina et al [4] and applied to the adsorption of Fe (III) in peat water based on Harfinda [7]. This research is expected to optimize local natural resources from oil palm frond biomass and to reduce Fe (III) levels from peat water.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Oil Palm Fronds Charcoal as Adsorbent to Reduce Levels of Fe (III) in Peat Water

2022

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The high content of carbon compounds in palm fronds (OPF) makes them potentially useful as an adsorbent. The carbonization method was used for the adsorbent synthesis process. This process began with collecting palm frond waste and then drying and sifting the adsorbent particle. This process resulted in the escape particles with a size of 80 mesh and suspended particles with 120 mesh. Then this process continued by carbonizing the palm fronds with temperature variations starting from (400, 500, and 600°C) for 60 minutes to obtain Charcoal Oil Palm Fronts (COPF). The obtained COPF was determined for moisture and ash content and characterized using FTIR, XRD, and SEM to determine the surface, functional groups, degree of amorphism, crystallinity, and surface morphology. The adsorption efficiency of COPF was applied to the adsorption of Fe (III) in peat water under varying contact time, adsorbent mass, and peat water volume conditions. The water and ash content of COPF qualify the technical quality requirements for activated charcoal according to SNI 06-3730-1995. FTIR analysis detected the presence of vibrations of the C-O, O-H, C=O, C-C, and C-H functional groups on the COPF surface. The XRD pattern showed the existence of a semi-crystalline (002) and (100) plane structure, which is shown at scattering angles of 2θ = 22o and 42o. The surface morphology of COPF showed that as the carbonization temperature increased, the number of pores formed increased, and the pore size decreased. The best adsorption test results were obtained with a contact time of 30 minutes, an adsorbent mass of 1.00 g, and a peat water volume of 100 mL. The highest Fe adsorption efficiency was achieved by COPF 500, where the adsorbed mass was 0.054 mg. Increasing the carbonization temperature causes the water content to decrease and the ash content to increase. High water content and ash content cause a decrease in adsorption efficiency because they can cover the pores of the adsorbent.

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The potential of palm frond-based magnetic biochar for peat water treatment

Darmayanti,

Juliani,

Andrio

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Riau Province has the largest palm plantation in Indonesia. The amount of palm plantation waste is quite large, so it needs to be managed so as not to pollute the environment. Palm plantation waste has a high lignocellulose content, so it has the potential to be used as a raw material for making biochar. Biochar has high effectiveness in removing organic substances from water. Despite its high adsorption capacity, biochar is difficult to separate from water due to its very small particle size. To solve this problem, magnetic biochar can be used. Magnetic biochar is the result of the magnetization of biochar with the addition of chemicals containing metal ions and pyrolyzed with little or no oxygen. The synthesis of magnetic biochar is strongly influenced by the impregnation ratio and pyrolysis temperature. This study aims to synthesize magnetic biochar from palm fronds by varying the impregnation ratio, pyrolysis temperature, and particle size and testing its ability to adsorb color and natural organic matter in peat water. Magnetic biochar was synthesized by FeCl3 impregnation ratios of 0.4, 0.5, 0.6, and 0.7, pyrolysis temperatures 450°C; 500°C with N2 gas flow, and particle size escaped sieves of 0.595 and 0.177 mm. The adsorption test results showed synthetic magnetic biochar with an impregnation ratio of 0.7, pyrolysis temperature of 500°C and particle size of 0.177 mm had the highest efficiency in removing colors and natural organic substances of 71.8% and 78.6%, respectively. From the proximate test, the magnetic biochar moisture content was 0.5%, the ash content was 3.37%, and the volatile content was 12.02%. This result has met the quality of technical activated carbon in SNI 06-3730-1995. The methylene blue absorption was 12.4 mg/g. This value is below the requirements of SNI 06-3730-1995. The results showed that magnetic biochar synthesized from palm frond has the potential to be used as an adsorbent in peat water treatment.

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Penyiapan Arang Aktif Pelepah Kelapa Sawit sebagai Adsorben Asam Lemak Bebas dari CPO (Crude Palm Oil)

Cited by 3 publications

References 10 publications

Synthesis of Mesoporous Silica from Palm Oil Boiler Ash (MS-POBA) with Addition of Methyl Ester Sulfonate as a Template for Free Fatty Acid Adsorption from Crude Palm Oil (CPO)

Synthesis of Mesoporous Silica from Palm Oil Boiler Ash (MS-POBA) with Addition of Methyl Ester Sulfonate as a Template for Free Fatty Acid Adsorption from Crude Palm Oil (CPO)

Synthesis of Oil Palm Fronds Charcoal as Adsorbent to Reduce Levels of Fe (III) in Peat Water

The potential of palm frond-based magnetic biochar for peat water treatment

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