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Journal : International Journal of Renewable Energy Development

A techno-economic and environmental analysis of co-firing implementation using coal and wood bark blend at circulating fluidized bed boiler Cahyo, Nur; Sulistyowati, Desy; Rahmanta, Mujammil Asdhiyoga; Felani, Muhamad Iqbal; Soleh, Mochamad; Paryanto, Paryanto; Prismantoko, Adi; Hariana, Hariana
International Journal of Renewable Energy Development Vol 13, No 4 (2024): July 2024
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2024.60234

Abstract

The study aimed to explore the effects of biomass co-firing of coal using acacia wood bark at circulating fluidized bed (CFB) boiler coal-fired power plant with 110 MWe capacity. The analysis focused on main equipment parameters, including the potential for slagging, fouling, corrosion, agglomeration, fuel cost, and specific environmental factors. Initially, coal and acacia wood bark fuel were blended at a 3% mass ratio, with calorific values of 8.59 MJ/kg and 16.59 MJ/kg, respectively. The corrosion due to chlorine and slagging potential when using wood bark was grouped into the minor and medium categories. The results showed that co-firing at approximately 3% mass ratio contributed to changes in the upper furnace temperature due to the variation in heating value, high total humidity, and a less homogeneous particle size distribution. Significant differences were also observed in the temperature of the lower furnace area, showing the presence of a foreign object covering the nozzle, which disturbed the ignition process. A comparison of the seal pot temperature showed imbalances as observed from the temperature indicators installed on both sides of boiler, with specific fuel consumption (SFC) increasing by approximately 0.17%. During the performance test, the price of acacia wood bark was 0.034 USD/kg, resulting in fuel cost of 0.023355 USD/kWh, adding 0.061 cent/kWh to coal firing cost. Despite co-firing, the byproducts of the combustion process, such as SO2 and NOx, still met environmental quality standards in accordance with government regulations. However, a comprehensive medium- and long-term impact evaluation study should be carried out to implement co-firing operations using acacia wood bark at coal-fired power plant. Based on the characteristics, such as low calorific value, with high ash, total moisture, and alkali, acacia wood bark showed an increased potential to cause slagging and fouling.
Co-Authors Aan Ardian Abimanyu, Candra Ade Dwi Utama Adrian Nur AGUS PURWANTO Agus Purwanto Agus Widyianto Agustinus Dimas Krisna Adi Nugroho Ajeng L. Puspitaningrum Alim Harun Pamungkas Alqarni, Wais Aminatun, Tien Anang Rosihan Andhi Nur Rahmadi, Andhi Nur Andrian Riyadi Andrian Wisnu Dewangga Angga Dwi Wibowo Ardianto, Aan Ari Diana Susanti Ari Diana Susanti, Ari Diana Aries Susanty Arrozi, Wahyu Asnawi Asnawi Asri Widowati Azalia Kartika Suri, Azalia Kartika Azhari, Fadlan Azizah, Rifo N Baskoro, Catur Hilman Adritya Haryo Bhakti Baskoro, Sefrian Imam Berkah Fajar TK Busairi, Achmad Cornelius Satria Yudha Desy Sulistyowati, Desy Dewi, Kristina Ratna Dian Retnaningdyah, Dian Dwi Budi Santoso Dyah Kusuma Dewi Eko Riswanto, Eko Endang Kwartiningsih Endang Mastuti F, Nur Kholis Fadillah, Nuzulul Fathika, Rahma N Fauzia Rahmadita Febrianto Amri Ristadi Febrianto Amri Ristadi Felani, Muhamad Iqbal Fendri Ferdian Firdausy, Farah Mutia Firstandika, Leader Gito Sugiyanto Guterres, Natalino Fonseca D.S. Hanifa, Vina Hariana, Hariana Haryanto, Rifqi Hasnan Bachtiar Hermiyanto Hermiyanto Heru Mugiarso Ilham Roy Saputro, Ilham Roy Indrawan, Harry Intan Kusumawati Jati, Andika Seto Kuncoro Joga Dharma Setiawan Laela Khasanah, Isrofiah Lega, Michael Lely Hendarti Lutfiani, Rachmi Azizah M. Yogi Riyantama Isjoni Maghfi, Risya Ulayyar Mamok Suprapto Mansuri, Aly Syariati Margono Margono Maryova, Frieska Maulana, Andra Mochammad Ariyanto Mohammad Samsul Bakhri Mohammad Tauviqirrahman Monot Wicaksono Muhammad Fadilah Arsyad Muhammad Fardan Ibnu Aji Munadi Munadi Munyensanga, Patrick Muslim, Zulkifli Alif Nur Cahyo Nurcahyanti, Desy Nurwijayanti Orlanda Arya Hidayat Penny Rahmawaty Pranolo, Sunu Herwi Pratama, Rakha Rahmadani Prismantoko, Adi Putra, Raka Mancini Putro, Wibisono Handoko Rachmi Azizah Lutfiani Rafindra Trisna Rahmadi, Kristian Jati Rahmanta, Mujammil Asdhiyoga Raka Mancini Putra Ramadhan, Rifky Daffa Ratih Pujiastuti Ratri H. Hapsari Reto Ika Sundari, Reto Ika Ridwan Afandi Rivaldo Zamara Roni Permana Saputra Rossari, Meydiana RR Laksistya Rania Nur Prita Maira Rusnaldy Rusnaldy Rusnaldy Rusnaldy Sachrul Iswahyudi Saputra, Calvin Darma Saputra, Nandika Aji Sarfilianty Anggiani, Sarfilianty Sari Ayu Wulandari Setiawan, Muhammad Farouk SETYAWAN, YOGA Setyawati, Rosana Budi Sigit Mujiarto Simalango, Antonius Simon Dicky Surya Sanjaya Soleh, Mochamad Sudiyatno Sudiyatno Sugeng Riyanto Sukis, Muhamad Sulardjaka Sulardjaka Sumar Hadi Suryo Sunarso . Sunarso Sunarso Sunarta Supriyo Supriyo Surya, Rizqi Diaz Susilo Adi Widyanto Sutrisno AB, Joko Syamsul Mu’arif Subekhi Toriq, Sulthan Totok Apriyanto, Totok Triasdian, Yayak Trismianto, Devout Prakoso Wibowo, Angga Dwi Wijayanto, Ristyan Willy Arafah Willy Arafah, Willy WINARTO Wusana A. Wibowo Wusana Agung Wibowo, Wusana Agung Xander Salahudin Yoga Guntur Sampurno