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All Journal Rotasi Jurnal Dinamis Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Sistem Teknik Industri Jurnal SImetri Rekayasa
Siregar, Achmad Husein
UNIVERSITAS SUMATERA UTARA
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Processing Durian Skin Into Compost Using Enumeration Machine Technology in Sungai Raya Village Erna Frida; Ferry Rahmat Astianta Bukit; Achmad Husein Siregar
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 1 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1241.771 KB) | DOI: 10.32734/abdimastalenta.v7i1.6893

Abstract

Dairi Regency is the largest durian fruit producer in North Sumatra Province with a production of 23 thousand tons per year. One of the largest durian-producing villages in Dairi Regency is Sungai Raya Village. The estimated volume of durian skin waste produced in North Sumatra is 332,712 tons of durian skin per year, this can be seen from the large amount of durian skin waste that accumulates on the side of the road, in rivers, and farmers' gardens. Given the large volume of durian skin, it takes an effort to process durian skin waste into compost that can be used by farmers and can improve the welfare of farmers. The solution for processing durian skin is to build a community-based processing unit for processing durian skin into community-based compost by involving farmer groups. To carry out efforts to manage durian skin waste, a simple tool is needed that functions as a durian skin chopper as a basic material for compost. From the results of the durian skin counting and the dissemination of fertilizer making, farmer groups and the community have been able to make fertilizer from durian skin so that it can increase the income of the population.
ANALISA PERFORMANSI PEMBANGKIT LISTRIK SIKLUS RANKINE ORGANIK SEDERHANA DENGAN SUMBER PANAS UAP GEOTHERMAL BERKUALITAS RENDAH Andianto Pintoro; Siregar, Achmad Husein
Jurnal Sistem Teknik Industri Vol. 21 No. 1 (2019): JSTI Volume 21 Number 1 Januari 2019
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.768 KB) | DOI: 10.32734/jsti.v21i1.897

Abstract

Pada tulisan ini dipaparkan tentang suatu kajian eksperimental yang telah dilakukan untuk menganalisa performansi dari sebuah unit pembangkit listrik sistim siklus Rankine organik (Organic Rankine Cycle) skala kecil yang memanfaatkan uap panas bumi berkualitas rendah sebagai sumber panas penggerak. Komponen-komponen utama dari unit pembangkit tersebut terdiri dari pompa tipe vane yang digunakan untuk menaikkan tekanan fluida kerja, evaporator dan kondensor sebagai alat penukar kalor serta turbin sebagai alat ekspansi, yang dibuat dari memodifikasi kompresor pendingin udara mobil jenis scroll. Sedangkan fluida kerja organik yang digunakan adalah R134a. Dari hasil pengujian ini didapat efisiensi termal sistim tertinggi sebesar 5,34% dan daya keluaran bersih sebesar 1.523,42 watt. Hasil pengujian menunjukkan bahwa penggunakan uap panas bumi berkualitas rendah pada sebuah sistim pembangkit listrik ORC ini layak untuk digunakan dengan kinerja yang dapat diterima.
Co-Authors Alfian Hamsi Andi Pintoro Andianto P Andianto Pintoro Budiman Yudha Simbolon CHRISTIANTO . David Harold Dian M Nasution DUNAN GINTING Erick S.T Manalu Erna Frida Farel H Napitupulu Farida Ariani Ferry Rahmat Astianta Bukit Himsar Ambarita Ikhwansyah Isranuri Indra . Irwan J Purba Muhammad Sabri Parlindungan Purba, Parlindungan Pohan, Riko Andika Rahmat Pohan Sepria N. Sembiring Sinulingga, Samerdanta Syahril Gultom Syahrul Abda SYARIL GULTOM Tugiman . Tulus B Sitorus Zulkifli Lubis