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All Journal Jurnal Mekanika dan Sistem Termal Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Jurnal Teknik Mesin Indonesia Journal of Engineering and Applied Technology
Wibowo, Ari
Politeknik LPP
Aerospace Engineering Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Perancangan sistem pembangkit kogenerasi pada pabrik gula kapasitas 4.000 tcd, studi kasus revitalisasi pabrik gula modjo sragen Ari Wibowo
Jurnal Teknik Mesin Indonesia Vol 11 No 2 (2016): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1057.297 KB) | DOI: 10.36289/jtmi.v11i2.61

Abstract

The sugar industry is an industry that supplies its own energy, in which energy is generated from burning biomass in the form of bagasse to produce electricity and steam. This system is referred to as a cogeneration system, meaning the generation of two different forms of energy together from one main energy source. By designing the right generating system, sugar mills have the potential to generate electrical energy greater than the internal requirement, so the excess power that can be transfered into PLN electricity network. The purpose of this research is to design the equipment in cogeneration steam generation system with reference to the energy potential contained in bagasse. The results showed by calculation and design of equipment, the energy potential from the bagasse of 381.818.182 kJ / hour which can produce steam in the boiler as much as 100.000 kg / hour at a pressure of 45 barg 400oC. Than the turbine and generator can convert into electrical energy of 11 MW.
APLIKASI PAKAN PELET BUATAN UNTUK PENINGKATAN PRODUKTIVITAS BUDIDAYA IKAN AIR TAWAR Yunaidi Yunaidi; Anugrah Perdana Rahmanta; Ari Wibowo
Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2019)
Publisher : Universitas Ahmad Dahlan, Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jp.v3i1.621

Abstract

This activity aims to provide guidance, training, and mentoring to help resolve problems faced by partners, including high operational costs of fish farming because of the high cost of factory-made pellets, limited understanding and knowledge of fish farming techniques, and limited access to business capital in groups of freshwater fish farming in village of Jerukagung Srumbung Magelang. In this activity, the use of semi-intensive farming technology was introduced and the introduction of mixer and fish pellet feed making machines technology were able to produce pellets independently for groups of fish farmers. Semi-intensive system farming techniques are proven to be able to increase productivity at a low cost to replace the conventional methods that have been done so far. The service program was completed in eight months, divided into three stages consisting of competency enhancement, technology development, and partnership development. The use of semi-intensive farming technology by applying good pond water maintenance techniques, selecting the right seeds, and optimal feeding techniques has been shown to increase fish production. High feed costs during the enlargement process which can reach 75% of the total cost can be replaced using pellet feed has made by group using local raw materials that are easily available in the surrounding area or environment, so as to reduce feed costs by up to 25%.
Perancangan Sistem Pembangkit Listrik Biomassa Sawit (PLTBS) Kapasitas 5 MW Ari Wibowo
Jurnal Mekanika dan Sistem Termal Vol 1, No 2: Agustus 2016
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (961.78 KB)

Abstract

Based on 2014 PLN statistic data, Riau and Riau Island Region peak load reached 261.02 MW, while installed power plant capacity of 166.62 MW capable power only 98.70 MW. This causes frequent rolling blackouts in the Riau city and its surrounding. On the other hand, Riau has huge renewable energy sources derived from oil palm industry. Palm Oil Mill (POM) are scattered throughout the region of Riau, where the plant produces biomass waste called empty fruit bunch (EFB), shell and fiber. These biomass waste especially EFB has very huge potency tobe converted to energy. The purpose of this study is to mapping the potencies of electrical energy generated from the biomass waste produced by two palm oil mills of PTPN V. Lubuk dalam POM and Sei Buatan POM has a very good performance over the last five year, with FFB processed an average over 200.000 ton/year. Biomass samples, then tested in the laboratory to obtain the calorific value. The expected electric power generated then analyzed based on the production data and the caloric value of the biomass waste. The calculation resulting 5 MWh electric power can be generated, with only use EFB from both POM as fuel feedstock of the boiler. The biomass power plant based on Rankine Cycle System. Four main equipment in the Rankine cycle, boiler, turbine-generator, condenser and pump, then calculated based on the power generated and availability of feedstock. The biomass power plant system designed with superheated steam with its pressure and temperature of 32 barg 400oC.
Energy balance analysis on Rimbo Dua palm oil Arif Hidayat; Ari Wibowo; Saptyaji Harnowo
Journal of Engineering and Applied Technology Vol 2, No 1 (2021): (March)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v2i1.39630

Abstract

Palm Oil Mill is an industry that uses biomass as an energy generator to run the process. The biomass used is fiber, shells, and empty fruit bunches. Energy efficiency is needed in the process; therefore, it requires energy balance in the power generation system, distribution, and use of energy produced by biomass. PKS Rimbo Duo has a processing capacity of 30 tonnes/hour. Broadly speaking, the energy system at PKS Rimbo Dua includes steam energy production equipment such as boilers and steam and electricity energy conversion equipment in the form of steam turbines and generators (alternators) as well as storage equipment for the expansion of steam energy in the form of opposing pressure storage vessels (BPV). Energy balance analysis is carried out by analyzing data methods obtained from the performance of operating equipment and conducting field surveys and measurements of predetermined parameters, especially in boilers, water treatment, and turbines. Analysis of fuel use is also carried out to determine the quality of the fuel and the potential for steam produced. The result of this research is that the average efficiency of the boiler is 63.23%, which is still below the 73% boiler design. One of the reasons is that the flue gas temperature reaches 260 oC. The steam turbine has an efficiency of 44% isentropically with SSC = 31.9 kg / kWh when compared to the standard norm, the SSC value is still too high. The results of the water analysis also found the P and M alkalinity values, and the water pH was still 9.8. The results of the analysis of these data can be used as a reference for actions whether it is a repair of equipment, replacement of equipment, and improvement of operational parameters.
Co-Authors Arif Hidayat Rahmanta, Anugrah Perdana Saptyaji Harnowo Yunaidi Yunaidi