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Saipul Bahri Daulay
Progran Studi Keteknikan Pertanian, Fakultas Pertanian USU
Agriculture, Biological Sciences & Forestry Engineering

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Commodity Variation Test with Seed Chip Molder Rizki Aminullah Lubis; Saipul Bahri Daulay; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 2 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

One of agricultural mechanization excellence is to improve agricultural product value compered to the row one. Beside melinjo that has been popular to become chip, cempedak’s seed, jackfruit’s seed, and durian’s seed else can be processed to be come chip. This research was aimed at testing the effective commodity types on chip’s maker machine. Therefore, a research had been conducted at Agricultural Engineering Laboratory, Faculty of Agriculture USU in February 2015 until March 2015 using cempedak seed, durian seed and jackfruit seed. Parameters observed were effective capacity on and organoleptic test. The results showed that the best capacity using durian seeds i.e 14,44 kg/hour. Keywords: Seed Chip Molder, cempedak seeds, durian seeds and jackfruit seeds.
Test of Liquid Soap Stirrer of Soap Made from Used Cooking oil With Extract of Lemongrass, Pandan and Lemon Faris Faisal Rahman; Ainun Rohanah; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Use cooking Oil is the remains of frying oil that can not be reused. Therefore a further processing is needed, one of them is to be come liquid soap. The aim of this study was to process used cooking oil into liquid soap using the extract of lemongrass, pandan and lemon. The study was conducted at the Laboratory of Agricultural Engineering and parameters tested at the Food Chemical Analysis Laboratorium Faculty of Agricultural in April 2015 to Mei 2015 by using a non-factorial completely randomized design. Parameters measured were water content, free fatty acid (FFA), alcohol insoluble part, and organoleptic test. The result showed that extract of lemongrass, pandan and lemon extract had no significant effect on water content, free fatty acid (FFA) and alcohol insoluble part. Keywords: used cooking oil, liquid soap , extract of lemongrass, pandan, lemon
Design and Construction of Asam Gelugur (Garcinia atroviridis Griff.) Slicer Alvario Kesturi; Saipul Bahri Daulay; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Asam gelugur (Garcinia atrovirdisGriff ), or asam keping  is a type of  nadir tree from Malaysia peninsula. Asam gelugur ( Garcinia atrovirdis Griff) is a dikotiledon type but without kotiledon. Asam gelugur fruit is used by people to make candied fruit, potion, and flavor.The parameters observed were effective capacity, economic value analysis. BEP, NPV and IRR. It was summarized that the effective capacity of the equipment was 708,11 kg/hour, basic costs were Rp. 16,55/kg for the first year,Rp 15,54 for the second year, Rp. 15,19 for the third year, Rp 15,03 for the fourth year, and Rp. 14,93 for the fifth year. Break event point was 20.438,74 kg/year for the first year, 11.018,63 kg/year for the second year, 7882,98 kg/year for the third year, 6317,82 kg/year for the fourth year and 5380,71 kg/year for the fifth year. Net present value was Rp. 1.317.158.537,9. Internal rate of return was 43,56 %, It means that this equipment was worthy to made. Keyword: slicer, Asam gelugur (Garcinia atroviridis Griff.)
Design and Construction of Mechanical Screw Potato Slicer) Saud Pangihutan; Ainun Rohanah; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

To serve the need of potato consumers for the ready good potato, it must be processed through post-harvest . Some of the process is cutting and slicing. The need of post-harvest processing that leads to mechanization and to get the optimum gain and high efficiency, potato screw slicer had to be designed and constructed. The study was conducted with literature study, experiment, observation and testing of the equipment. The effective capacity of the equipment was 51,72 kg/h. Basic cost to be incurred in slicing potato with the equipment was Rp. 199,72/kg in the 1st year, Rp. 199,99/kg in the 2nd year,Rp. 200,26/kg  in  the 3rd, Rp. 200,56/kg in the 4th and Rp. 200,87/kg in the 5th. The equipment will reach the break even point if the amount of slicing potato was 889,,30 kg/year. Net present value of the equipment with an interest rate of7,5% was Rp. 391.040.422,54which meant that the business was feasible to run. The internal rate of return was 49,45%. Keywords: equipment design, mechanical screw slicer, potato.
Thread Pitch Test of Candlenut Oil Press Screw Josafat Simanjuntak; Saipul Bahri Daulay; Ainun Rohanah
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Basicly, the oil press is designed for pressing the candlenut. This reasearch was on testing of thread pitch variaton of oil press which was aimed to measure the best thread pitch of candlenut oil press. This reasearch was conducted at agriculture engineering laboratory USU on August 2014 – January 2015 using non factorial randomized block design with three grades, i . e 1 cm, 2,5 cm, and 4 cm. Parameters observed were effective capacity, losses, and yield. The best grade for effective capacity and yield was P3 (pitch 4 cm) which produced 0,381 l/kg and 322 l/kg; and the best grade for losses was P2 (2,5 cm) which produced 29,733 % Keyword: pressing, candlenut, candlenut oil, thread
Utilization of Corncob and Tea Waste as Charcoal Briq T.Anwar Faiz; Lukman Adlin Harahap; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Briquette is one of the biomass fuels which is used as a simple, inexpensive alternative energy source. Biomass used in this research were corncob and tea waste. The aim of this research was to find out the composition of Bio-Carbon Briquette processing from corncob and tea waste and to determine the best Bio one. Testing was conducted by using a non-factorial completely randomized design with parameters of water content, density, calorific value, and ash content. The results of this research showed that the composition of the briquette materials had highly significant effect on water content, density, calorific value, and ash content. The best water content in this research was 2.89% that met Japanese, American, British and Indonesian standards. The Density value was 0.415 g/cm3 which did not meet briquettes of Japanese, America, British and Indonesian standards. The best calorific value in this research was 10052.08 cal/g that met Japanese, American, British and Indonesian standards. The best ash content value in this research was 2.83% that met Japanese, American, British and Indonesian standards. Keywords : briquette, biomass, corncob and tea waste.
Efect of Temperature on The Quality of Lemang Using Vertical Type Lemang Cooking Netty Sinaga; Saipul Bahri Daulay; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 3 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

The process of lemang cooking is very simple and has some weakness that can be minimalised. The purpose of this research was to examine the effect of temperature in vertical typelemang cooking appliance. This research was carried out at Agricultural Engineering Laboratory, Faculty of Agriculture USU in April – May 2015 using non factorial randomized block design with three levels, i.e. 95oC, 100oC, and 105oC. Parameters observed were effective capacity and organoleptic values. The results showed that cooking temperature had significant effect on the organoleptic test. But had no significant effect on  the effective capacityof the appliance. Keywords: Glutinous rice, Lemang’s, glutinous rice cooker appliance.
Manufacture of Fiber Ropes Made from The Inner Bark of Melinjo Stem (Gnetum gnemon) Bela Velila Viska Yunita; Saipul Bahri Daulay; Ainun Rohanah
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 4 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Melinjo plant has a very high quality of fiber that found in the inner bark of  the stem that can be made as a rope as a substitute to synthetic ropes that can decrease environmental pollution. The research was aimed to make a fiber rope from the inner  bark of melinjo  stem and to test the endurance of the rope toward a tensile test. The research had been conducted at Agriculture Engineering Laboratory, College of Agriculture, USU and tensile test was conducted at Research Laboratory, College of Engineering, USU in March-July 2015 using spinners simple tool in making the rope and tensile test to determine the strength of the rope toward burden. Parameter  measured were tensile stress, strain, elasticity, ropes deformation, and malleability. The results showed that heterogeneous fiber caused different rope diameter and affect the value of parameters measured. From the ropes test it was found that  average tensile stress was 42.38 N/mm2, strain was 0.3742, ropes deformation was 35.17867 mm, elasticity was 114.1673 N/mm2 and malleability was 37.42 %. Key Words : Natural fiber, rope, inner bark of melinjo stem, spinning, tensile test.
Ropes Made from “Lidah Mertua” Leaf Fiber Detyara Imani; Lukman Adlin Harahap; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 4 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Fiber of Sansevieria has characteristics of not easily fragile, shiny, long, and good quality. This study was aimed to make and to examine the quality of rope made from “Lidah Mertua” leaf fiber (Sansevieria trifasciata laurentii). This research was conducted by literature study, spinning the rope using spinners simple tool, tensile test and parameters observation. Parameters measured were tensile strength, strain, elasticity, rope deformation, and flexing. Results of the research indicated that each substance tested with the same weight produced different string diameter. Average values of examinated ropes was 1,2 g weight, diameter was 4,26  mm, length was 34 mm, elongation was 17,2159 mm, maximum loaded was 659,2695 N, cross section was 14,31 mm2, elongation at break of tensile strength was 46,85 N/mm2, strain was 0,5063, elasticity was 92,5322 N/mm2, ropes deformation was 17,2159 mm and flexing was 50,63 %. Key words : Sansevieria, fiber ropes, natural fiber, tensile test
Design of Coconut Milk Extractor with Screw Press System Febrina Medyanti Sinaga; Achwil Putra Munir; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 4 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Until now, obtain coconut milk was still obtain using conventional method which is hand pressed. Later on, manual coconut milk extractor is develop using hydrolic press system. With the development of science and technology in this modern age, people trying to create or make a new, more efficient and practical equipment. Therefore, in this research, the author tried to ease the extraction of coconut milk by designing coconut milk extractor with screw press system which has larger capacity which be more effective and efficient in coconut extraction. The coconut milk extractor worked by enter shredded coconut into hopper then shredded coconut is carried toward tubular filter contained  screw press. After that  the milk is produced and the dregs out separately. The results showed that the effective capacity of the equipment was 11,25 kg/hour. Primary cost was Rp. 787,022/Kg for the first year, Rp. 792,205/Kg for the second year, Rp. 797,777/Kg for the third year, Rp. 803,769/Kg for the fourth year, and Rp. 810,204/Kg for the fifth year. BEP was 1.238 Kg in the first year, 1.305 Kg in the second year, 1.377 Kg in the third year, 1.454 Kg in the fourth year and 1.537 Kg in the fifth year. The IRR was 45,54%. Keywords: equipment design, coconut milk extractor, coconut milk, screw press.
Co-Authors Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Achwil Putra Munir Acwil Putra Munir Adian Rindang Adian Rindang Adian Rindang Adian Rindang Agra Izwan Agus Roy Butar-Butar Ahmad Rizan Fadli Ainun Rohana Ainun Rohana Ainun Rohana Ainun Rohanah Alex Candra Pardede Alin Maya Sari Alvario Kesturi Amanda Buna Satria Siregar Andre Gromico Napitupulu Andreas Sembiring Anthoni Lumbantobing Anwar Manik Arsenius Ardinata Tarigan Asri Bernitzky Saragi Asrita Yohana Siallagan Bela Velila Viska Yunita Bobby Arisandi Chairunnisa Ritonga Dara Dhayanara David Halomoan Sidabutar Dea Annisa Putri Dennis Satria Detyara Imani Didy Hikmah Utama Dita Anastasia Sarah Zurenahusla Dodi Mowo Asmoro Doli Arlando Manik Dwi Ary Ertanto Edi Susanto Elfani Oktianto Elvianty Brahmana Endah Andarini Erdi K.L. Tobing Eri Sutiawan Fachrizal Sinaga Fadli Elsyah Pasaribu Faris Faisal Rahman Febrina Medyanti Sinaga Febriyan Fadli Filli Andriani Freddy Kancan Sembiring Geri Aldian Sagala Gita Ferry Husain Manalu Gusmil Diana Br. Sitepu Hadryanus Simanjuntak Haryanto Rohman Siregar Herdianze Novalina Pasaribu Indri Tamara Pulungan Ira Septiana Pasaribu Irhami Adha Irvan Immanuel Silalahi Ita Sidauruk Ivan Jonathan Ivan Yolessa Butar-Butar Jerry Simanjuntak Jhon Erikson Tarigan Jonathan Austin Pasaribu Jonsion Purba Josafat Simanjuntak Justira Mai Nora Siregar Krisna Tri Prabowo Lourent Sirait Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Lukman Adlin Harahap Luthfan Minhal Luvi Harmayanvi Harahap M.Firdaus Anzala Kahfi Lubis M.Rezeki Murad Maldini Daulay Margaretta Bukit Mhd Fadil Muchlis Raja Uhum Muhammad Adli Resya Muhammad Afandi Muhammad Arif Gilang Pratama Muhammad Bayu Handoko Muhammad Eko Hardiyansyah Muhammad Yandriza Fanni Muhammad Yusuf Mustafa Parlindungan Nasution, Delima Lailan Sari Nazif Ichwan Nazif Ichwan Nazif Ichwan Nency Situmorang Netty Sinaga Nico Pakpahan Norman Wilson Sidabariba Purweni Hardiana Putri Candra Ayu Raja Bagus Hariawan Agung Remon Purba Rika Martineza Angkat Riki Rikardo Sinaga Rio Baruna Sirait Riswanti Sigalingging Riswanti Sigalinggling Rizki Aminullah Lubis Robert Tio Hutagalung Robi Salim Rambe Rossiana Sianturi Ryandy Santoso Safriyanto Safriyanto Samuel Haposan Sari Azhira Siregar Sartono Hasugian Saud Pangihutan Serinita Barus Shella Kairunisa Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggabean Sulastri Panggaben Sumono Sumono Sumono Sumono Sumono Sumono Syahnan Riady Nasution T.Anwar Faiz Taufik Rizaldi Untung Utoyo Vanya Aulidya Vovoandwivo Mandatya Winanda Pardhanu Winda Savitri Ritonga Wira Pratama Yuki Febrina Sirait Zulficar Zk Zultix Las Risanta Zulvi Arwana Fakih