Enhancing the energy content of melawan coal through H2SO4 and NaOH demineralization

The objective of this study was to compare the calorific values, proximate analysis, ultimate analysis, SEM-EDX, XRF, FTIR spectroscopy, and TGA of the control feedstock and coal samples treated with different acid-alkali formulations. We also evaluated the effectiveness of the acid and alkali treat...

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Bibliographic Details

Main Authors:	Ngulde, Aliyu Buba, Wan Ab Karim Ghani, Wan Azlina, Mat Nawi, Nazmi, Rashid, Umer, Silas, Kiman
Format:	Article
Language:	en
Published:	Gadjah Mada University 2025
Online Access:	http://psasir.upm.edu.my/id/eprint/121049/1/121049.pdf http://psasir.upm.edu.my/id/eprint/121049/ https://jurnal.ugm.ac.id/ijc/article/view/100059
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