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All Journal JURNAL BIOLOGI INDONESIA JURNAL REKAYASA KIMIA & LINGKUNGAN
Slamet, S.
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Energy Engineering

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EFEKTIVITAS ASOSIASI INOKULAN CAMPURAN BAKTERI RHIZOSFER DENGAN TANAMAN JAGUNG VARIETAS SRIKANDI PADS TANAH LATOSOL LAMPUNG Gandanegara, S.; Sugoro, I.; Slamet, S.
JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i4.3322

Abstract

ABSTRACTThe Effectiveness of Rhizospheric Bacteria Mix Inoculant Associated with Maizein Latosol Lampuog Soil. Two greenhouse experiments were carried out to evaluate theeffectiveness of Plant Growth Promoting Rhizobacteria (PGPR) ino-culants on plant growthof maize. In the first experiments, eleven single isolates were screened for associationeffectiveness with maize. Inoculation improved plant perfomance by increasing roots, shootsand total plant dry weight. Five isolates with the increase of plant dry weight ranging from 27-47% over control were then selected for mixed inoculants. In the second experiment, tenmixed inoculants consisted of 3 single isolates were evaluated on plant growth, N plant yield,and N derived from fertilizer and contribution from fixation. The later parameter was.determined by "N method. Three mixed inoculants namely M5, M8, and M9 showed highereffectiveness with the increase of plant weight 27-29% over control. Plant N yield of plantsinoculated with those mixed inoculants were 176-194 mg N/pot as compared to 144 mg Nlpotin control plants. Lower '%eIx cess atom % in inoculated plants indicated some Ncontribution from fixation which ranged from 1 5 -2 1 %.Key words : mixed inoculants, '% method, maize, latosol
Analysis of Greenhouse Gas Emission Calculations Based on the Corrected IPCC Method at Coal-fired Power Plant Tuwaluyo, Edward Putra; Slamet, S.
Jurnal Rekayasa Kimia & Lingkungan Vol 20, No 2 (2025): Jurnal Rekayasa Kimia & Lingkungan (December, 2025) In Press
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v20i2.45615

Abstract

Greenhouse gas (GHG) emissions from coal-fired power plants, including carbon dioxide (CO), methane (CH), and nitrous oxide (NO), significantly contribute to climate change. The 2300 MW coal-fired power plant (PLTU) in Java, Indonesia, plays a key role in national energy supply but also generates substantial emissions. This study conducts GHG inventory and emissions analysis using the corrected IPCC method (Tier-1, Tier-2, and Tier-3) and evaluates mitigation strategies in fuel usage, waste management, and transportation. The IPCC methodology categorizes Tier-1 as using default emission factors, Tier-2 incorporating country-specific factors, and Tier-3 using direct measurements and real-time data. Meanwhile, Method-1, Method-2, and Method-3 reflect different correction levels for emission factors and fuel oxidation, with Method-3 (Tier-3) being the most accurate. Total GHG emissions from 20212023 reached 14,413,328 tons COe, with fuel usage as the dominant contributor (14,413,302 tons COe). Method-3 Tier-3 resulted in 11,006,815 tons COe, 11.89% lower than Methode-2 Tier-2 (11,018,851.21 tons COe) and Method-1 Tier-1 (12,492,384 tons COe). High-calorific coal (4,397 Kcal/kg) reduced emissions per energy unit, while biomass co-firing (2.7% in 2023) requires expansion for further reductions. Biodiesel is more effective than CN48 diesel in cutting emissions, aligning with its carbon-neutral classification in the 2018 ESDM GHG Inventory Guidelines. This study recommends optimizing coal calorific value, increasing biomass co-firing, and transitioning to biodiesel to reduce GHG emissions in coal-fired power plants, supporting carbon trading and national mitigation policies.
Co-Authors Gandanegara, S. I. Sugoro Tuwaluyo, Edward Putra