Amri, Idral
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Modeling Of Oil Flows In Langgak Field Pipeline Fernandiaz, Revi; Amri, Idral; Utama, Panca Setia
Journal of Earth Energy Engineering Vol 8 No 1 (2019): APRIL
Publisher : Pekanbaru Riau: Program Studi Teknik Perminyakan FT Universitas Islam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.685 KB) | DOI: 10.25299/jeee.2019.vol8(1).2557

Abstract

Abstract Congeal in the pipeline is one of the biggest problems faced by PT.SPR Langgak in piping crude oil from production wells to oil processing unit caused by decreasing oil temperature. The purpose of this study is to study the effect of environmental temperature on fluid temperature in the pipeline, study the effect of wind speed on fluid temperature in the pipeline and to determine the location of the occurrence of congeal in PT.SPR Langgak pipeline. Determining the location of the occurrence of congeal using the model T with analytical methods in the Matlab software is by entering parameters of pipe temperature, viscosity, density, fluid velocity, wind speed and environmental temperature. The congeal location was determined by model T obtained in the Zone C pipeline distance 44.9-449m with the average error model T is 1.88%. This model T can be applied provided the paraffin content is 15-60% and the pipe characteristics (pipe thickness, pipe diameter and pipe material) are the same.        
Pengaruh Perbandingan Kitosan Dan Selulosa Dari Serat Daun Nanas (Ananas comosus) Terhadap Pembuatan Bioplastik Ani, Tengku Urai; Amri, Idral; Zultiniar, Zultiniar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Pineapple leaf waste can be utilized as a raw material for synthesis of bioplastic. the objective from this research was to determine effect of comparison of chitosan and cellulose from pineapple leaf fiber in synthesis of bioplastic and also to determine the good composition of comparison who based on mechanical properties of bioplastic. This research began by extracting cellulose from pineapple leaf fiber in three stages. The first stage was alkaline treatment (delignification), pineapple leaf fiber were cut in size ± 5 mm. Then 400 ml of 1M NaOH was added in 40 grams of fiber and heated at 80°C for 4 hours then washed and filtered. The second stage was bleaching, result of delignification process was dissolved in 5% NaOCl for 3 hours at 30°C then filtered. The third stage of acid treatment, the results of bleaching added 3% HCl and heated at 60°C for 1 hour then filtered and dried so that cellulose was obtained. Furthermore, synthesis of bioplastics was made by mixing PVA 10%, cellulose 1 gram and chitosan with comparison of chitosan: cellulose was 4:10; 5:10; 6:10. Then bioplastic mixture heated and stirred at 70°C for 20 minutes then printed on the glass mold. Repeat the synthesis for cellulose 2 gram. The good composition results in this study were chitosan with a ratio of 5:10, cellulose 2 grams and PVA 10%. Where the results of the tensile strength, elongation, biodegradation and water uptake produced were 15.36 MPa, 10%, 28.44% for 2 weeks and 82.17% respectively. The results of the analysis of Scanning Electron Microscopy (SEM) bioplastics showed that the surface of the bioplastic looks homogeneous and by using the ImageJ application the average of cellulose particle size was 0.246 µm. Keywords: bioplastic, cellulose, chitosan, pineapple leaf fiber, pineapple leaf waste.
Pengaruh Konsentrasi Filler Serat Daun Nanas (Ananas comosus) Dan PVA (Polivinil Alkohol) Pada Sintesis Bioplastik Dari Pati Biji Nangka Pane, Dewi Sriana S; Amri, Idral; Zultiniar, Zultiniar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Pineapple leaf fiber consists of about 70-80% wt cellulose giving its high tensile strength and elastic modulus for bioplastics. To increased the elongation of bioplastic, starch has to be mixed with other synthetic polymers such as polyvinyl alcohol (PVA). The aimed of this research was to determine the effect of various pineapple leaf fiber and polyvinyl alcohol (PVA) concentration to the mechanical properties (tensile strength, elongation, modulus young and tear strength), water uptake, biodegradation and morphology. Bioplastics were made by mixing of starch of jackfruit seed, water, filler and plasticizer with variation of fiber were 0 (%w/w), 2 (%w/w), 4 (%w/w), 6 (%w/w), 8 (%w/w), and 10 (%w/w) and ratios starch: polyvinyl alcohol (PVA) were 1:1 and 1:1,5. The results revealed that the filler fiber and PVA gave an impact to mechanical properties of bioplastic, the best mechanical properties was on bioplastic with composition starch:PVA 1:1 and filler 8 (%w/w) with tensile strength 15,79 MPa, and modulus young 1967,01 MPa and tear strength 3,4021 Kgf. The best water uptake of bioplastic is 32,5 % and the fastest degradation time on bioplastic with composition fiber 10 (%w/w) and ratio starch:PVA 1:1,5 in 7 days. SEM analysis showed that filler distribution was not spreading evenly on matrices. Keywords: jackfruit seed, bioplastic, starch, polyvinyl alcohol, pineapple leaf fiber
Sintesis Membran Silika Berbahan Baku Sekam Padi Variasi: Massa Silika Ramadhani, Trie Sucy; Pinem, Jhon Armedi; Amri, Idral
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The membrane is a selective and semipermeable layer that is between two phases, namely the feed phase and the permeate phase. The synthesis of silica membrane made from rice husk was carried out using phase inversion method. The purpose of this study was to determine the classification of silica membranes through characterization, determine the effect of variations in silica mass (5, 10, 15, and 20 gram) on the membrane pore, flux, and rejection using variations of operating pressure 1, 2, 3 bars. This study produced a porous membrane. Characterization tests carried out include SEM analysis, flux and rejection. Based on the test characteristics of permeability, selectivity, and pore statistics that have been carried out on the membrane shows that the silica membrane is an ultrafiltration type membrane.Keywords : phase inversion, rhodamin B, semipermiabel, ultrafiltration
Pemanfaatan Teknologi Elektrokoagulasi Untuk Pengolahan Limbah Cair Industri Tahu Menggunakan Elektroda Al-Al Dengan Variabel Jarak Elektroda Dan Kuat Arus Sinaga, Hendriyanto; Amri, Idral; HS, Irdoni
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Tofu factories located in Sigunggung Subdistrict, Pekanbaru, produce 0.9 to 1 m3 of liquid waste every day, and are immediately disposed of without going through the processing process so that they pollute the environment. The analysis shows that the liquid waste is not in accordance with Permen LH No. 5 2014. In this study the electrocoagulation method was used to reduce COD, BOD, TSS and neutralize pH. By varying the current strength, electrode distance and time the results obtained as follows: (1) the effective variation of electrode distance is 2 cm current strength of 0.6 A at 60 minutes can reduce the COD concentration to 76.36%, BOD 72, 83%, TSS 85.16% and pH to 6.31. (2) effective variation of current strength is 0.6 A distance of 2 cm at 60 minutes can reduce COD concentration to 72.90%, BOD 71.69%, TSS 83.83% and pH to 6.13. The results of the research obtained are in accordance with Permen LH No.5 2014.Keywords : electrocoagulation, TSS, COD, BOD, pH