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All Journal Jurnal Keteknikan Pertanian International Journal of Oil Palm
Abdul Baits Dehana Padma Swastika
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Environmental Science

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Rice Husk Availability Mapping as Biomass Cofiring Material at Power Plant in Indramayu Abdul Baits Dehana Padma Swastika; Liyantono Liyantono; Dyah Wulandani
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (2024): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.284-300

Abstract

Indonesia berencana untuk mengurangi emisi gas rumah kaca (GRK) sebesar 29% pada tahun 2030 untuk mengatasi penggunaan energi fosil yang tinggi. Salah satu strateginya adalah PT PLN mengimplementasikan teknologi pembakaran biomassa di 52 pembangkit listrik pada tahun 2025. Namun, keberlanjutan pasokan menjadi tantangan tersendiri, dengan penelitian yang belum memadai dan hanya 33,52% yang tercatat di pabrik penggilingan. Penelitian ini menghitung ketersediaan sekam padi untuk pembakaran biomassa di Kabupaten Indramayu, daerah penghasil beras terbesar di Indonesia. Dengan menggunakan pendekatan spasial, survei, wawancara, dan Quantum GIS (QGIS) versi 3.22.12, peta visual ketersediaan sekam padi dibuat. Data dari 95 penggilingan padi (79 kecil, 12 menengah, 4 besar) menunjukkan potensi sekam harian masing-masing sebesar 0,87, 4,83, dan 10,74 ton. Data produksi nasional memperkirakan ketersediaan sekam padi tahunan sebesar 272.106 ton. Analisis spasial dari survei dan wawancara mengindikasikan 601.669 ton/tahun, sementara distribusi menurut skala penggilingan menunjukkan 588.861 ton/tahun. Persaingan penggunaan sekam padi cukup tinggi untuk industri seperti genteng, batu bata, dan semen, dengan fraksi pemulihan sebesar 13,23%, 17,50%, dan 23,33% pada saat panen, serta 3,90%, 10%, dan 15% pada saat tidak panen. Sekam padi yang tersedia di Indramayu untuk bahan bakar biomassa adalah 77.102,17 ton/tahun. Jumlah ini berkontribusi sebesar 0,78% terhadap kebutuhan biomassa nasional dan 45,56% terhadap kebutuhan PLTU Indramayu. Kebijakan yang mendorong penggunaan dan pengelolaan sekam padi di daerah penghasil padi diperlukan untuk meningkatkan implementasi pembakaran biomassa.
Technical Feasibility to Utilize Wasted Empty Fruit Bunch from Small Scale Farms for Simultaneous Production of Biochar and Electricity Dwi Setiawan; Johanis Rumengan Pangala; Abdul Baits Dehana Padma Swastika; Armansyah Halomoan Tambunan
International Journal of Oil Palm Vol. 3 No. 3 (2020): September 2020
Publisher : Indonesian Oil Palm Society /IOPS (Masyarakat Perkelapa-sawitan Indonesia /MAKSI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35876/ijop.v3i3.54

Abstract

Biochar production by pyrolysis stove and utilization of the excess heat to generate electricity, simultaneously, could improve the performance of the whole system, and give a significant solution to both energy and environmental problems. This is especially if implemented as a stand-alone facility and applied in a remote area. The purpose of this study is to evaluate technical feasibility and strategy in using pyrolysis stoves to produce biochar and generate electricity by ORC, simultaneously. This study combines various data obtained previously, which consists of pyrolysis stove design and performance test for simultaneous biochar production and thermal energy use, and ORC experiments for electricity generation. Those data then was used to analyze the technical feasibility of the simultaneous production of biochar and electricity generation using the excess heat from the pyrolysis stove. The integration of the pyrolysis stove with the ORC was conducted in a simulative study. The results showed that biochar produced using the pyrolysis stove has characteristics that are very supportive for use as a soil enhancer. Excess heat from the pyrolysis stove during the production of biochar can be used to fuel the ORC system to generate electricity. The optimum biochar yield and thermal efficiency of the ORC were found to be optimum at the stove's airflow rate of 0.034-0.035 kg/s. Accordingly, a combination of biochar production and electricity generation using the ORC system is considered to be technologically feasible to meet the sustainability requirement.
Co-Authors Armansyah Halomoan Tambunan Dwi Setiawan Dyah Wulandani Johanis Rumengan Pangala Liyantono Liyantono