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All Journal Jurnal Teknologi Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)
Adi Prismantoko
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering

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Utilization of agricultural waste biomass for co-firing fuel for coal-fired power plant with consideration of the potential of slagging, fouling, and abrasion in pulverized coal (PC) boilers Hariana Hariana; Hanafi Prida Putra; Musthofa Lutfi; Adi Prismantoko
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 5, No 1 (2022)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2022.005.01.8

Abstract

The world is moving towards clean energy, especially since the Paris Agreement in 2016. Indonesia is no exception, which must reach 23% of its total energy mix usage from renewable energy sources by 2025, as stated in President Regulation No. 22/2017. Biomass as a renewable energy source can be used as a co-firing fuel for power plants based on its calorific value. This study discusses some of the most important characteristics needed in co-firing fuels, including slagging, fouling, and abrasion, using palm empty fruit bunch (EFB), rice husk (RH), and EFB-RH blended with the composition of 5%, 15%, 25%, and 35% on low-rank coal (LRC) and bituminous coal (BTC).  The results showed that the addition of biomass on BTC has no significant effect on the slagging and fouling potential. Conversely, the addition of biomass to LRC significantly reduced the potential of slagging and fouling with the composition of up to 35% biomass which has EFB up to 20%. For blends with 75% of LRC and 25% of biomass blends, only biomass blends with 100% RH can be considered from the aspect of slagging and fouling risk. From potential abrasion characteristics, the addition of biomass on two types of coals did not show any problem for all compositions studied.
PERANCANGAN REAKTOR UNTUK PRODUKSI BIODIESEL GENERASI 2 DARI BIOMASA SAWIT Maharani Dewi Solikhah; Adi Prismantoko; Adinda Prawitasari; Bina Restituta Barus; Agus Kismanto
Jurnal Teknologi Vol 14, No 2 (2022): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.14.2.197-212

Abstract

Indonesia has abundance of biomass that underutilized, including oil palm biomass in such as empty fruit bunches and palm fronds. The biomass can be converted into biohydrocarbons through a pyrolysis process that produces bio-oil and followed by an up-grading process to improve its quality. Upgrading Bio-oil into biohydrocarbons can be conducted through various production processes, including hydrothermal processes. Bio-oil has different chacateristic compared to diesel fuel. Bio-oil has a high water content (11-50%), high acidity, and high viscosity (> 40 cP). Based on these characteristics, the hydrothermal process has the advantage of being able to operate with raw materials that have a high water content. The operating conditions of the hydrothermal process are 300 – 400 oC, 150 – 200 bar. For this reason, a bio-oil upgrading reactor was designed using a hydrothermal process to operate at a temperature of 420 oC and a pressure of up to 220 bar.
Co-Authors Adinda Prawitasari Agus Kismanto Bina Restituta Barus Hanafi Prida Putra Hariana Hariana Maharani Dewi Solikhah Musthofa Lutfi