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Adian Rindang
Program Studi Keteknikan Pertanian Fakultas Pertanian Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Engineering

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The Effect Oil Press Candlenut Heating Temperature On The Yield and Quality of Candlenut Oil Dina Lumbantoruan; Ainun Rohana; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

On Oil Press type candlenut heaters, heating temperature needs to be considered. The temperature determines the quality of the heating product. This study tested various temperature of candlenut heaters on the yield and quality of hazelnut. The study was conducted at the Laboratory of Agricultural Engineering and analysis of was done in Food Chemical Analysis Laboratorium Faculty of Agricultural in December 2013 to February 2014 by using a non-factorial completely randomized design at 50°C, 60°C and 70°C. Parameters measured were water content, free fatty acid and yield. The results showed that the temperature had highly significant effect on water content, free fatty acid and yield. The best treatment was the S3 treatment (70°C) which produced 0,19% water content, 1,09 free fatty acid and 45,1% pure oil. Keywords: candlenut heaters, temperature test, candlenut oil quality.
Test of Flat Burr Mill Type Grinder In Red Rice Commodity Margaretta Bukit; Saipul Bahri Daulay; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

One of the components which determines the post-harvest handling technology is the use of post-harvest equipment, such as a flat burr mill type bean grinder. This study was aimed at examining the coffee bean grinder flat burr mill type using red rice with three level of smoothness, i. e: level 1, level 2 and level 3. Parameters observed were: equipment effective capacity, percentage of lose material, smoothness of milled red rice and carbohydrate content.The results showed that the effective capacity at smoothness 1 was 8.13 kg/h, smoothness 2 was 13.88 kg/h and smoothness 3 was 18.558 kg/h. percentage of material lost at smoothness 1 was 1.034 %, at level 2 was 0.234 % and level 3 was 0.151 %. The size of red rice milled for all level was 50 mesh. The carbohydrate content of red rice at level 1 was 79.4975 % , at level 2 was 78.5546 % and at level 3 was   78.0174 % . Keywords : flat burr mill , red rice , test of equipment, milled red rice.
Test of Flat Burr Mill Type Pepper Grinding Fadhlan Arief; Achwil Putra Munir; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Quality of pepper in the market is depend on post harvest process, so that this stage needs a very the serious attention. As pepper had two types, the process is also different. The test of flat burr mill type pepper grinding was to know the feasebility of the  mill in white pepper procesing. This research was done in Agricultural Central Laboratorium, Agricultural Department, University of North Sumatera, Medan on October 2014. Parameters observed were effective capacity, percentage of losses seed, moisture content, and the ash content. Results of the research showed that the average effective capacity  was 185.72 gr/minute, and  the percentage of losses seed was 2.9%. The equipment was feaseable to process white pepper, the ash content average was 1.4%, and the average  moisture content was 15.9%. Keyword : Flat burr  grinding mill, white pepper.
Test of Some Kind of Biomass Fuels on Processed Waste Polymer Agriculture Tool Herdianze Novalina Pasaribu; Saipul Bahri Daulay; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 2 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Indonesia has many sources of renewable energy. One of them is biomass. This research was carried out to try some fuel from biomass to be used in agricultural polymer waste equipment. Biomass which used in this research were candlenut shell, coconut shell, and wood. Parameters used were equipment effective capacity, the percentage of polypropylene plastic residue, the percentage of fuel residue, oil volume, melting point, and the melting time. The results were: equipment effective capacity for candlenut shell fuel, coconut shell fuel, and wood fuel were 0 ml/hour, 62,22 ml/hour, and 77,66 ml/hour respectively. The percentage of plastic residue generated for candlenut shell, coconut shell, and wood fuel were 53.33%, 22.67%, and 20% respectively. The percentage of residue fuel for candlenut shell fuel, coconut shell fuel, and wood fuel were 35.67%, 16.87%, and 16% respectively. The volume of oil produced for candlenut shell fuel, coconut shell fuel, and wood fuel were 0 ml, 93.33 ml, and 110 ml respectively. The melting point obtained from the burning of fuel wood and coconut shell was 250 0C and the candlenut shell fuel was 175 0C. Melting time resulted in fuel of candlenut shell, coconut shell, and wood were 3.1 hours, 1.5 hours, and 1.44 hours respectively. Keywords : Biomass fuel, Plastic waste, and Pyrolysis.
Knife Edge Test of Mechanical Desiccated Coconut Stephanus K.; Lukman Adlin Harahap; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 2 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

This research was done to test the effect of knife edge on the effective capacity of the equipment, percentage of material that was grated uncompletely, percentage of material left in the equipment, and yield. This research was using non factorial completely randomized design. It was found that the effective capacity of the equipment, percentage of material that was grated completely, percentage of material left in the equipment, and yield on two knifes edge/cm2 are 44,821, 5,87%, 11,69%, and 88,31% kg/hr respectively. On three knifes edge/cm2 are 46,049, 3,97%, 9,68%, and 90,32% kg/hr respectively. On four knifes edge/cm2 are 48,988, 3,79%, 6,74%, and 93,26% kg/hr respectively. The results showed that number of knife edge had significant effect on the percentage of material that was grated uncompletely, percentage of material left in the equipment, and yield and had no effect on the effective capacity. The main cost from year one to year seven were Rp. 35,29, Rp. 32,92, Rp. 32,13, Rp. 31,73, Rp. 31,49, Rp. 31,37, and Rp. 31,23 per kg respectively. Break even point from year one to year seven were 2897,76, 1558,97, 1113,32, 890,89, 757,71, 687,64, 606,13 kg respectively. The result of net present value from 6% of bank rate was Rp. 838.406.384,79 which means this business was competent. The internal rate of return was 35,56% which means this business was competent if the bank rate were not more than 35,56%. Keywords : Knife edge, grater, desiccated coconut
Design of Soybean Epidermis Peeler Siska Willyana; Achwil Putra Munir; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 3 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Soybean peeling is aimed to simplify the processing of soybean in the next step, such as in tofu making, tempe making and soybean extract. The peeling techniques of soybean was used widely with simple way which is soaked in the water and stomp it in a basin until its skin peeled. This research was to design,  make, test and analyze the economic value of the soybean peeler. The parameters of this research were effective capacity, broken peeled soybean percentage, unpeeled soybean percentage, losses soybean percentage and economic analysis. The results showed the effective capacity was 55,5 kg/hour. Percentage of broken peeled soybean was 4,91%, percentage unpeeled soybean was 11,01% and percentage of losses soybean was 2,1%. Economic Analysis was Rp. 104,373/kg, BEP was 259,32 kg/year and IRR was 66,54%. Key words : epidermis, peeler, silinder type, soybean
Co-Authors Achwil Putra Munir Ainun Rohana Dina Lumbantoruan Fadhlan Arief Herdianze Novalina Pasaribu Lukman Adlin Harahap Margaretta Bukit Saipul Bahri Daulay Siska Willyana Stephanus K.