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All Journal Journal of Applied Sciences and Advanced Technology International Journal of Marine Engineering Innovation and Research
Kamaruddin Abdullah
Darma Persada University
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Transformation of Monohull to Catamaran Hybrid (Diesel-PV) Fishing Vessels to Reduce Exhaust Emissions Rizky Irvana; Kamaruddin Abdullah; Erwin Susanto Sadirsan
International Journal of Marine Engineering Innovation and Research Vol 7, No 4 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v7i4.14762

Abstract

The fishermen's dependence on fossil fuels is still very high at 95.4% and has not decreased until now. The increased fuel price and reduced fossil fuel availability make fishermen struggle to fish. IMO (International Maritime Organization) noted that around 277 million tonnes of fuel are consumed by ships with fossil fuels. According to an emissions study conducted by IMO, 961 million tonnes of CO2 accounted for 2.5% of global emissions. This study aims to reduce exhaust emissions by vessels from fossil fuels by making the ship into a hybrid (Diesel-Pv). Making the ship a hybrid with solar panels will save fuel consumption. The method used is the trozzi method approach. The results obtained from changing the configuration to a hybrid can reduce the issued emission by around 57%.
Simulation Study for Syn-Gas Productivity of Open Top Downdraft Gasifier Using Wood Sawdust Feedstock by ASPEN Plus Halid Nuryadi; Kamaruddin Abdullah; Syukri M Nur
Journal of Applied Sciences and Advanced Technology Vol 5, No 2 (2022): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.5.2.51-58

Abstract

Wood sawdust feedstock is one of commodity of furniture industrial waste in Indonesia. It could be used for biomass feedstock for syn-gas producing with gasification process. Wood sawdust could be alternative ways for replacing other biomass feedstock that hard to find for biomass gasification processing, it has good high heating value (HHV) of abouts 18.75 MJ/kg. Besides that open top downdraft gasifier is one of a kind biomass gasifier/reactor for syn-gas producing. It had better with the other gasifier for syn-gas producing; such as cross draft gasifier and updraft gasifier because for micro-grid electricity it has lower cost for designing and maintaining. Syn-gas is a synthetic gas that contains several elements of hydrocarbons, such as CO (carbon monoxide), CH4 (methane) and H2 (hydrogen). It could be useful for combining with internal combustion engine for producing micro-grid electricity. Syn-gas could be alternative fuel to replace gasolines or diesels fuel for internal combustion engine that converted to electrical generator as prime mover power. At this simulation study we get the result of mole fractions for syn-gas productivity from wood sawdust feedstock by using ASPEN Plus software is CO (1.622%), CH4 (6.722%), H2 (12.448%). At the end of the calculations we get HHV of syn-gas is 4.47 MJ/Nm3, gasification efficiency (Xcge) is 20% and amount of carbon in wood sawdust that convert to gaseous (Xc) is 0.43%. Simulation study by using ASPEN Plus software could be more useful for resulting syn-gas productivity without any problems. For academic communities, simulation study by using software could be solutions when we have no more cost for practicing in the workshop.       
Co-Authors Erwin Susanto Sadirsan Halid Nuryadi Rizky Irvana Syukri M Nur