Browsing by Author "Amri, Tengku Ariful"

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    Biodiesel Production from Waste Frying Oil: Using H2S04 and Transesterification Using Derived from Anadara granosa Esterification Cao Catalyst
    (wahyu sari yeni, 2018-10-22) Nurhavati, Nurhavati; Muhdarina, Muhdarina; Linggawati, Amilia; Amri, Tengku Ariful
    Biodiesel is one of an environmentally friendly alternative fuels. This study aimed to synthesize biodiesel from waste frying oil by the two step catalytic process, esterification of free fatty acids using sulfuric acid catalyst and transesterification of trigycerides using Cao catalyst derived from blood cockle shells (anadaro granosa). Cao catalyst was prepared by coarsely grounded cockie shell using a mortar pestle, dried in an oven at 110 °C for overnight and calcined at 900 °C for 10 hours. The optimum conditions of the esterification and transesterification processes was evaluated by varying temperature and time of reaction for both processes. The biodiesel conversion was analyzed by using GC and the biodiesel chacteristics were analized and the results were compared to Standar National for Biodiesel (SNI 04-7183-2006). The maximum yield of biodiesel was 80.04% at reaction conditions of H2504 catalyst was 3%, the mole ratio of oil: methanol was 1:18, temperature was 70°C, and reaction time was 2 hours, and the transesterification condition were temperature at 60°C, and reaction time for 3 hours. The characteristics of biodiesel were in the range of standar for biodiesel (SNI 04-7183-2006).
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    KARAKTERISASI PERMUKAAN BIOARANG LIMBAH DAUN KETAPANG (Terminalia catappa L.)
    (2016-05-16) Junaidy; Muhdarina; Amri, Tengku Ariful
    Terminalia catappa leaves waste is a biomass waste that can found around at University of Riau area. It was used as a source of adsorbent. After carbonization at temperature 300 °C at time of 1 hour, biocharcoal of Terminalia catappa leaves waste was observed surface acidity by Bhoem’s titration. Water and ash content of biocharcoal of Terminalia catappa leaves waste were also identified. The result of the acidity of adsorbent is determined by Bhoem’s titration. The result showed that acidity of carboxylic acids that content by biochorcoal was most carboxylic acids biocharcoal was 2,3221 mmol/g be compared phenolics acid and lactonic acid each of 0,0580 and 0,0442 mmol/g. Percentage content of water and ash from biocharcoal was the 3,04 % and 13,83 %.
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    KARBONISASI CANGKANG BUAH KETAPANG (Terminalia catappa) DAN APLIKASINYA PADA PENGOLAHAN AIR GAMBUT
    (2017-01-06) Andani, Yurika; Muhdarina; Amri, Tengku Ariful
    Shell of ketapang (Terminalia catappa) has chemical composition of cellulose and lignin as a carbon source, which potentially to be used as an adsorbent in the adsorption process. This study aimed to change ketapang shells into charcoal by carbonization at temperature of 500oC with various times (15 and 30 minutes). Charcoal of ketapang shells were applied to the peat water treatment by measuring parameters of organic matter and Fe content. In this experiment, organic matter and Fe content in the peat water were determined by permanganometry and Atomic Absorption Spectrophotometry (AAS) methods. The initial condition of organic matter and Fe content in the peat water were 312.6504 mgL-1 and 6.7272 mgL-1. Adsorption treatment of organic matter and Fe content by charcoal of ketapang shells were observed with various mass (2 and 4 grams). The results of experiment showed with the mass of adsorbent 4 grams could reduce 25.21% of organic matter content by charcoal carbonization resulted for 15 minutes and 15.55% Fe content by charcoal carbonization resulted for 30 minutes. Peat water treatment by using charcoal of ketapang shells can not be able to reduce organic matter and Fe content according to the standard limits for drinking water.
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    PEMANFAATAN KOAGULAN CAIR PAC DARI LIMBAH ALUMINIUM FOIL KEMASAN SUSU : EFEK VARIASI MASSA LIMBAH
    (2016-05-10) Susanti, Rita; Muhdarina; Amri, Tengku Ariful
    Waste of milk package has been found in our environment. Aluminium content in waste milk package can be utilized to syhnthesis liquid coagulant Poly Aluminium Chloride (PAC). The method that used in this process was partial hydrolysis using HCl 33% and polimeration using Na2CO3 25% with variation mass of sample 1 and 2 g of aluminium foil and variation of polymerisation times 24 h. Performance of coagulant on peat water had been test with 2 parameter that were pH and turbidity. Based on this research, coagulant can remove of turbidity with mass sample 1 and 2 g was 96,13% and 98,11%, and pH peat water was measured 3,6 and 4,1 that not suitable with PERMENKES No. 492/MENKES/IV/2010 “About Requairement of Quality Drink Water”.
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    PEMBUATAN KOMPOSIT KARET ALAM SIR 20-ARANG AKTIF CANGKANG KEMIRI-PASIR COR SEBAGAI PENYARING AIR SUNGAI KAMPAR KIRI
    (2020-06) Adryani, Ayu; Amri, Tengku Ariful
    Composite is a combination of two or more different materials of its type to form a material with new properties. In this research, the raw material for making composites is natural rubber SIR 20 as a matrix, activated charcoal and cast sand as filler. Composite were made by varying the mass of filler (activated charcoal : cast sand) 100% : 0% (KA), 50% : 50% (KAP) and 0% : 100% (KP). The results obtained in this research showed that the highest value of tensile strength was on KA (0.4607 MPa), the highest value of compressive strength was on KP(12, 6625 MPa) and the highest value of density was shown by KP (0.8539 g mL-1). Analysis of color parameters, pH, TSS and TDS after filteration using the three composites variations of and two filtering variations, showed optimum results on 50% : 50% active charcoal composites : cast sand with a combination of simple-composite filter that can reduce color 89%, TSS 90% and TDS 64% and improved pH from 6,2 to 7,02
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    PREPARASI DAN KARAKTERISASI ARANG AKTIF KULIT BUAH MAHONI (Swietenia macrophylia K.) MENGGUNAKAN AKTIVATOR KOH DAN APLIKASINYA SEBAGAI ADSORBEN PADA LARUTAN METILEN BIRU
    (perpustakaan UR, 2021-10) Kosim, Nanang; Amri, Tengku Ariful; Linggawati, Amilia
    Mahogany rind (Swietenia macrophyla K.) is a source of carbon contained in cellulose, which is 41.9%, so it has the potential to be used as raw material for activated charcoal. The purpose of this study was to determine the best conditions for the preparation of activated charcoal as an adsorbent in methylene blue solution. In this study, mahogany rind will be converted into activated charcoal through a process of carbonization and chemical activation using KOH activator variations of 0, 2, 5, and 8% and physical activation with calcination temperature variations of 450, 500, and 550oC for 60 minutes. The results showed that the best condition of activated charcoal from mahogany rind was at a concentration of 2% KOH activator with a calcination temperature of 500oC for 60 minutes. The best characterization data from these conditions included 0.49% moisture content, 5.14% ash content, and 760.639 mg g-1 iodine adsorption capacity. The results of this characterization refer to the quality standard of activated charcoal based on SNI 06-3730-1995.