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Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Published by Universitas Lampung
ISSN : 2302 559X     EISSN : 2549 0818     DOI : -
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Engineering
Jurnal Teknik Pertanian Lampung or Journal of Agricultural Engineering (JTEP-L) is a peer-reviewed open-access journal. The journal invites scientists and engineers throughout the world to exchange and disseminate theoretical and practice-oriented researches in the whole aspect of Agricultural Enginering including but not limited to Agricultural Mechanization, Irrigation, Soil and Water Engineering, Postharvest Technology, Renewable Energy, Farm Structure, and related fields. The first issue was published in October 2012 by Department of Agricultural Engineering, Faculty of Agriculture, University of Lampung. Jurnal Teknik Pertanian Lampung has ISSN number 2302 - 559X for print edition on October 10, 2012 then 2549 - 0818 for online edition on January 10, 2017. Jurnal Teknik Pertanian Lampung is issued periodically four times a year in March, June, September, and December. Jurnal Teknik Pertanian Lampung has been indexed by Google Scholar, Crossref, Directory Open Access Journals (DOAJ), and CABI. Since Volume 5 Issue 1 (2016) Jurnal Teknik Pertanian Lampung has been accredited as SINTA 3 by Directorate General of Higher Education (DIKTI). Starting Volume 10 Issue 3 (2021) the journal received accreditation SINTA 2.
Arjuna Subject : -
Articles 11 Documents
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Search results for , issue "Vol 3, No 3 (2014)" : 11 Documents clear
THE EFFECT OF DIFFERENT ROTATIONAL SPEED (RPM) DISC MILL TOWARD THE UNIFORMITY INDEX OF BROWN SUGAR Kharisma, Novi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (299.342 KB) | DOI: 10.23960/jtep-l.v3i3.%p

Abstract

The aims of this researchwere to find out the effect of different rotational speed of discmill to the size spreadingand uniformity index of brown sugar and to knowthe optimal rotational speed of disc mill producing size of 0,8to 1,2mm. The parameters observed were water content, fineness modulus (FM), uniformity index, grain yield,bulk density, and color. The research was conducted at five variations of rotational speed which were 800, 900,1000, 1100, and 1200 rpm with 1500 g sample for each variations.The results show that the water content ofbrown sugar is between 1,30 and 1,76%, the fineness modulus is around 1,99 to 4,74, the particle size is around0,41 to 2,79mm, the highest grainyield reaches 45,32%atactual speed of 900 rpm, and the range of bulk densityis about 721,07 to 740,40 kg/m3. The color of the middle fraction compared with commercial sugar is notsignificantly different. The color indexes of middle fraction in each treatment are IRED 0,41 to 0,43, IGREEN around0,35, and IBLUE 0,22 to 0,24. Based on the analysis of variance and Duncan’s method (α < 0,05) show that therotational speed (rpm) significantly affects to the particle size, fineness modulus, and grain yield, but not to thewater content, bulk density and color.

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