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Nazif Ichwan
Program Studi Keteknikan Pertanian Fakultas Pertanian USU Medan
Agriculture, Biological Sciences & Forestry Engineering

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Paper-Based Characteristics of Banana Trunk (Musa Paradisiaca) and Waste Paper Nova Suriani; Ainun Rohana; Nazif Ichwan
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 1 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

It is time for Indonesia to reduce dependence on using paper with tree raw materials. It can be an alternative environmentally friendly paper and does not increase the cut down of trees. The making of paper using the trunk of banana (Musa paradisiaca) and waste paper is suitable to overcome the problems of the use of the current paper. This research was done on May-Juni 2013. The paper making was done at Jl. Roso. No. 8 Delitua Medan North Sumatra and the testing of paper was done in PT PDM Indonesia, Laboratory Medan, using non-factorial randomized block design with one factor.i.e. waste paper composition (0%, 10%, 20%, 30%, 40% and 50%). Parameters observed were grammage, tensile and tearing strength. The results showed that the composition of the waste paper had highly signifficant effect on grammage and tensile strength. The resulting paper could be categorized as art paper with the best result of grammage was at the composition of 30% (350 g banana trunk and 150 g waste paper), and tensile strength and tearing strength at the composition of 0% (500 g banana trunk). Keywords: banana trunk, pulp composition, paper, waste paper
Design and Construction of Screw Type Oil Press Equipment Van Dedo Pasaribu; Ainu Rohanah; Nazif Ichwan
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 2 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Compression process is an important step in candlenut oil production, which in this process will be produced candlenut oil through heating and pressing candlenut. Utilization of candlenut oil today more and more, not only in the food industry but also in the cosmetic, paint, as well as fuels alternative. This study was aimed to plan and builda screw mechanical device of candlenut pressing. The study was conducted with literature study, experiment, observation and testing of the equipment. The parameters measured were the effective capacity of the equipment. The results showed that the effective capacity of the oil press was 3,35kg/hour. Key word: candlenut, capacity, postharvest equipment, pressing, effective
The Study of Water Distribution in Root Area for Several Types of Soil and Plant at Laboratory Scale Hilman Murasa; Sumono Sumono; Nazif Ichwan
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 1 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Knowing about water distribution in root area is important as one of our reason to give irrigation. This research was purposed to study water distribution in root area for several types of soil and plant at laboratory scale. The important parameters observed were soil physical property, evapotranspiration, water application and storage efficiency, and water distribution. The result of this research showed that Inceptisol soil had clay texture, Latosol soil had clay texture, and Andepts soil had sand clay loam texture. Evapotranspiration for mustard green plant in middle phase was 1,92 mm/day and for last phase was 0,96 mm/day. Evapotranspiration for soya bean plant in middle phase was 1,84 mm/day and for last phase was 1,12 mm/day. Water application efficiency for the three varieties of soil was between 35,89% and 100% and water storage efficiency was between 9,16% and 100%. Water distribution for mustard green plant in the three varieties of soil was between 29,20% and 37,91% and soya bean plant was between 25,95% and 37,05%. Keywords : Efficiency, Water distribution, Mustard Green, Soya Bean, Inceptisol Soil, Latosol Soil, Andepts Soil
Co-Authors Ainu Rohanah Ainun Rohana Hilman Murasa Nova Suriani Sumono Sumono Van Dedo Pasaribu