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All Journal International Journal of Educational Review, Law And Social Sciences (IJERLAS) Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Faisal
Universitas Malikussaleh
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Mechanical and Physical Properties of Bio-Briquette Produced from Gayo Arabica Coffee-Skin Adi Setiawan; Juwaini; Ahmad Nayan; Fauzan; Faisal
Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN) Vol. 1 (2018): Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Publisher : Faculty of Engineering, Malikussaleh University

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Abstract

Enormous amount of Gayo Arabica coffee-by-products highlights its potential as source of renewable energy. Utilizing coffee skin as a raw material for bio-briquettes is considered as an effective way to minimize their wastage as landfill. This study aims to examine the characteristics of bio-briquettes produced through the cold-forming process at a pressure of 100, 150 and 200 kg/cm2 without binder. Prior to briquetting process, the raw material was sun-dried, ground and sieved to 0.841 mm. A mixture was then made by adding water followed by molding and drying processes. Characterization of the briquette employs a number of techniques including DSC, TGA, bomb calorimeter and proximate analyses as well as mechanical testing. The results show that the calorific value of the coffee-skin briquette is 4764 cal/g containing 16.5 wt% of moisture, 12 wt.% ash. The rate of combustion is 0.019 g/s with ignition time of 196 s. Varying briquetting pressure results in a change in ignition time of bio-briquettes as the density is increased. However, no significant change was observed on the rate of combustion upon increasing the briquetting pressure. This investigation concludes the potential use of coffee industry by-product as feedstock for solid
ENSURING THE BEST INTERESTS OF THE CHILD: JUDICIAL CONSIDERATIONS ON POST-DIVORCE CHILD SUPPORT IN LHOKSEUMAWE Muammar; Faisal; Marlia Sastro; Mukhlis
International Journal of Educational Review, Law And Social Sciences (IJERLAS) Vol. 5 No. 6 (2025)
Publisher : CV. RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijerlas.v5i6.4369

Abstract

This study examines the existence and effectiveness of the Sharia Court of Lhokseumawe’s rulings on post-divorce child support obligations through a normative-empirical legal research approach. Normatively, the analysis draws on Law No. 1 of 1974 on Marriage, the Compilation of Islamic Law (KHI), and Law No. 35 of 2014 on Child Protection, while empirically it relies on case studies of court decisions and interviews with judges. The findings reveal that the court consistently upholds the father’s responsibility to provide child support after divorce, reflecting alignment with statutory provisions, Islamic principles, and the doctrine of the best interests of the child. However, variations in the determination of support amounts and weak enforcement mechanisms demonstrate a gap between “law in the books” and “law in action.” Sociological analysis further shows that ineffective enforcement disproportionately burdens women and children, exacerbating economic vulnerability and the feminization of poverty. The study concludes that while the normative foundation of child support rulings is strong, their practical effectiveness requires improvements in drafting quality, standardized guidelines, and enforcement mechanisms, alongside greater collaboration between the judiciary, government, and society to ensure substantive justice and child welfare.
Co-Authors Adi Setiawan Ahmad Nayan Fauzan Juwaini Muammar Mukhlis Mukhlis Sastro, Marlia