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Mustagfirin Mustagfirin
Universitas Wahid Hasyim
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Journal : International Journal of Renewable Energy Development

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Enhancing solid fuel potential of water hyacinth: A study on chemical modification through composting and demineralization Mustagfirin, Mustagfirin; Hermawan, Dede; Nawawi, Deded Sarip; Kusumah, Sukma Surya; Ismayati, Maya; Sutiawan, Jajang; Ningrum, Riska Surya; Wikantyoso, Bramantyo
International Journal of Renewable Energy Development Vol 15, No 1 (2026): January 2026
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2026.61468

Abstract

Rapid growth makes water hyacinth (WH) an exceptional biomass resource, but its low calorific value and elevated ash content hinder its application as a sustainable green energy source. This study aims to enhance the quality of water hyacinth as a solid fuel by increasing lignin content through composting and decreasing ash content by demineralization. The composting period for water hyacinth was modified to 4, 7, 11, and 15 days, followed by a demineralization process employing two solvents: water and 5% nitric acid (HNO₃). Proximate, ultimate, and chemical studies were conducted on water hyacinth before and following treatment to ascertain its specific alterations. This study indicates that after 15 days of composting, the lignin fraction increased from 10.01% to 15.14%. Demineralization employing a combination of water and nitric acid can substantially reduce ash content (19.4%). The demineralization of raw materials during composting is more efficacious in diminishing ash content than the demineralization of raw materials before composting. The most significant reduction was 46.17%, observed in the 11-day WH composting, where the ash content decreased from 22% to 11.84%. According to the results, modified WH is a viable raw material for solid fuel due to its enhanced lignin content and reduced ash level.
Co-Authors Achmad Munib Achmad Munib, Achmad Affan Hensetiaji Widya Agung Riyantomo Ahmad Nurman Khoir Ahmad Sobirin Ahmad Yusuf Ali Ikwan Apriantoro Apriantoro Ardian Fachreza Arif Rifan Rudiyanto ARIF RIFAN RUDIYANTO, ARIF RIFAN Arifiani, Rina Aris Abdul Ghoni Cocon, Cocon Dani Setiawan Darmanto Darmanto Dede Hermawan Deded Sarip Nawawi Dwi Puji Prabowo, Dwi Puji EDI SARWONO Eliyana Zid Naily Syifa Eri Kurniawan Esti Astutik Fajar Slamet Budiono Fattah, Abdulloh Ghoni, Aris Abdul Indah Hartati Is Solikhatun Is Solikhatun, Is Ismayati, Maya Ismi Syarif Iwan Riyanto Jeni Nadik Khamadi Khamadi Khamadi Khoironi, Habib Gufron Kusumah, Sukma Surya Laeli Kurniasari Layla Sriningtyas Marjono Marjono Martha, Marlia Chandra Miftahus Surur Miftahus Surur, Miftahus Miftakhul Huda Misbahudin Misbahudin Moch Subchan Mauludin Moch. Subchan Mauluddin Moch. Subchan Mauludin Mohamad Fahris Muhamad Arifuddin Muhamad Nurkhafid Nasutian Nasutian Ningrum, Riska Surya Noor Azharul Fuad, Noor Azharul Noor Prasetyo, Moh Dwi Novianti, Nurlita Dwi Nugroho Eko Budiyanto Nugroho Eko Budiyanto Nur Azizah Nur Kholis Prabowo, Handoko Agung Prasetyo, Sandif Pratama, Fandy Indra Pratama, Yudhi Priyono, Andhen Rifan Rudiyanto, Arif Rois, Nur Rudi Setiawan Saputra, Ari Wibawa Nurma Sifiyana, Selfi Silmi Yudhistira Siti Maghfiroh Sobirin, Ahmad Sri Mulyo Bondan Respati Sri Wulan Sriningtyas, Layla Sumardi . Sumardi Sumardi Sutiawan, Jajang Teguh Edhy Wibowo Toto Haryadi, Toto Ulumuddin, dimas irawan ih'ya Utami Dian Tri Venanda Arif Budiman Wikantyoso, Bramantyo Yance Anas