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Christofora Desi Kusmindari
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Jurnal_tekno@binadarma.ac.id
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Direktorat Riset dan Pengabdian Kepada masyarakat Universitas Bina Darma Jl. A Yani no 3
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INDONESIA
Jurnal Tekno
Published by Universitas Bina Darma
ISSN : 19075243     EISSN : 26558416     DOI : https://doi.org/10.33557/jtekno
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Journal -TEKNO is a scientific article journal that is the result of ideas, great and original thoughts about the latest research and technological developments covering the fields of civil engineering, elektrical engineeering and industrial engineering which is summarized in one publisher. Journal-TEKNO became one of the means for researchers to publish their great works published two times in one year, namely in April and October.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 17 No 2 (2020): Jurnal Tekno" : 5 Documents clear
PEMANFAATAN LIMBAH CAMPURAN ECENG GONDOK DAN KOTORAN SAPI DENGAN PROSES HIDROLISIS ASAM SULFAT DALAM PEMBUATAN BIOGAS roni, kiagus ahmad
Jurnal Tekno Vol 17 No 2 (2020): Jurnal Tekno
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/jtekno.v17i2.772

Abstract

Kelangkaan gas elpiji di Indonesia mengakibatkan kenaikan harga gas elpiji. Sejak beralihnya kebiasaan rumah tangga di Indonesia dari menggunakan minyak tanah menjadi gas epliji untuk keperluan sehari – hari membuat kebutuhan gas elpiji semakin meningkat. Oleh karena itu, diperlukan energi alternatif untuk mengatasi permasalahan ini. Salah satunya ialah biogas. Pada penelitian ini digunakan eceng gondok sebagai bahan baku utama pembuatan biogas. Pemanfaatan eceng gondok sebagai bahan baku biogas dikarenakan memiliki kandungan karbohidrat dan selulosa. Selulosa akan dihidrolisis menjadi glukosa oleh bakteri yang akan menghasilkan gas metan sebagai biogas. Akan tetapi, untuk mencapai hasil yang optimum diperlukan adanya biostarter dari limbah ternak, salah satunya kotoran sapi. Penelitian ini bertujuan untuk mengetahui komposisi eceng gondok dan air, eceng gondok dan kotoran sapi serta lama fermentasi eceng gondok paling optimum. Berdasarkan hasil penelitian yang didapatkan bahwa komposisi eceng gondok dan air yang paling optimum dengan lama fermentasi 7 hari serta komposisi eceng gondok dan kotoran sapi yaitu pada perbandingan 1 : 3 selama 7 hari dan 50% : 50% mampu menghasilkan biogas hingga 302 mL selama 21 hari. Analisa COD dan TSS menunjukkan bahwa semakin rendah konsentrasi COD dan TSS maka semakin banyak volume yang dihasilkan. Hal ini terlihat bahwa konsentrasi COD 21,40 mg/L dan TSS 38,30 mg/L mampu menghasilkan biogas sampai 302 mL. Selain itu juga dengan analisa titik embun gas dan nyala api menunjukkan bahwa komposisi eceng gondok dan air yanng terbaik pada perbandingan 1 : 3 dan komposisi eceng gondok dan kotoran sapi 60% : 40% dan 50% : 50% menunjukkan bahwa tidak ada embun pada gas tersebut dan menyala dengan sangat cepat. KATA KUNCI : Energi Alternatif, Biogas, Eceng Gondok, Biostarter Kotoran Sapi
Pengambilan Keputusan Dalam Pemilihan Supplier Dengan Metode Analytical Hierarchy Process (AHP) dan Technique For Others Reference by Similarity to Ideal Solution (TOPSIS) Wicaksono, Martin; Fathimahhayati, Lina Dianati; Sukmono, Yudi
Jurnal Tekno Vol 17 No 2 (2020): Jurnal Tekno
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/jtekno.v17i2.1078

Abstract

M-Merchandise is a business launched by the Mulawarman University Business Management Agency. The problem for these merchandise products is that in determining suppliers it has not been done well, there is no particular method of determining suppliers. So M-Merchandise needs to do supplier selection to get the best supplierr. In making a decision, determining suppliers is applied to the AHP and TOPSIS methods. The AHP method is used to determine the most influential criteria with a paired comparison matrix, then the weight values ​​are used as input to the TOPSIS method to rank suppliers. From the results of the AHP calculation, M-Merchandise have obtained the quality criteria with the highest weight of 0.300. This shows that quality is a major factor in supplier selection. Furthermore, other criteria applied are price with a weight of 0.221, shipping 0.040, technical capability 0.165, a communication system 0.095, and a packaging ability 0.179. From the results of the TOPSIS calculation, the PK supplier is the best supplier to choose with a value of 0.617
ENERGY NOT SOLD (ENS) PADA IMPLEMENTASI FAULT DETECTION INSULATION AND RESTORATION (FDIR) PT. PLN DI PENYULANG OGAN GARDU INDUK SEI JUARO Fithri, Normaliaty; Fitriani, Endah
Jurnal Tekno Vol 17 No 2 (2020): Jurnal Tekno
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/jtekno.v17i2.1080

Abstract

As an effort to carry out sustainability services with efficient distribution of electricity quality, a system that can provide a form of service with reliable distribution system is implemented that can provide an overview of the narrowing of the territory of the extent of the disturbance that is happening. With the application of the Fault Detection Insulation and Restoration (FDIR) system in the feeder with a relatively fast and automatic maneuver process, it can reduce the duration of the outage which can also directly determine the point of disturbance when a disturbance occurs in real time. If there is a disturbance in the Ogan feeder, the FDIR automation system will immediately isolate the network by maneuvering the Kedondong feeder in less than one minute, so that by calculating ENS you can get the benefit of reducing the Energy not sold (ENS) value.
Redesain Metode Kerja Guna Reduksi Workload Fisik Dan Mental Pekerja Di Pt. Spu Palembang Setiawan, Heri; Kusmindari, Christofora Desi
Jurnal Tekno Vol 17 No 2 (2020): Jurnal Tekno
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/jtekno.v17i2.1081

Abstract

PT. SPU Palembang is an industrial company that produces Hospital Furniture and Rehabilitation products with the trademark SHIMA. This study aims to reduce the physical and mental workload received by workers in the Machine Shop Department. This research is focused on the production process .Measurement of physical workload uses the calculation of the worker's heart rate by calculating the percentage of Cardiovascular Load (CVL). Measurement of mental workload using the National Aeronautics and Space Administration Task Load Index (NASA-TLX) score calculation method. The results obtained based on the aspect of NASA-TLX before the proposal almost all workers receive a mental workload with a value of > 80 that is included in the category of heavy mental workloads except Milling-Drilling Workers (4) have a score < 80 in the category of moderate mental workload. After the proposal all workers have a score < 80 so that the mental workload received falls into the medium category. Based on the proposals applied to the Lathe Worker (1) and the Milling-Drilling Worker (4) namely the improvement of work methods in the process of turning, punching, and the proposed holding of a reminder as a tool to remember, the results obtained %CVL from both workers < 30%. Three other workers, although experiencing a decline, remained at > 30%. The category of mental workload received by workers from previously included in the category of heavy mental workload dropped to moderate
ANALISIA HIDROGRAF SATUAN DAN WIND ROSE PLOTS PADA DAERAH ALIRAN SUNGAI SEKANAK Destania, Henggar Risa; Syarifudin, Achmad
Jurnal Tekno Vol 17 No 2 (2020): Jurnal Tekno
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/jtekno.v17i2.1082

Abstract

Sekanak watershed is a basin in Palembang which is often affected by flood during the rainy season. The characteristics of the watershed by the impact of changes in land-use by economic and settlement developments. Sekanak watershed has 3 retention ponds which have the function of accommodating temporary discharge during floods. The catchment capacity of the watershed soil type, storage conditions etc. Therefore we need an analysis of the transformation of rainfall data in the watershed into a flow at the watershed control point and an analysis of the transformation of runoff volume (effective rain) into a surface runoff hydrograph (unit hydrograph). Hydrographs measured at a watershed control point are the response or output from rain that falls on a watershed system. The size of the watershed depend on the watershed system. This is closely related in analyzing the availability of water that occurs in the watershed system.

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