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All Journal Jurnal Teknik Kimia USU Journal of Applied Science, Engineering, Technology, and Education Integrated Science Education Journal EduLine: Journal of Education and Learning Innovation Journal Of Human And Education (JAHE) Jurnal Teknik Kimia USU Arfak Chem: Chemistry Education Journal
Pongkendek, Jesi Jecsen
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Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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Pemanfaatan Cangkang Telur Terenkapsulasi sebagai Adsorben: Karakterisasi dan Studi Kinetika Adsorpsi Metilen Biru Parlindungan, John Yoro; Rusnadi; Siregar, Lamtiar Ferawaty; Pongkendek, Jesi Jecsen
Jurnal Teknik Kimia USU Vol. 15 No. 1 (2026): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v15i1.22507

Abstract

The utilization of eggshell powder as an adsorbent presents certain limitations, particularly in terms of post-adsorption separation and the potential for clogging in column applications. To address these challenges, encapsulation was employed as a modification technique, wherein the eggshell powder was immobilized within a calcium alginate matrix to form a stable adsorbent structure. This study investigated the adsorption kinetics of methylene blue (MB) using three types of adsorbents: calcium alginate (CA), encapsulated eggshell powder (CA–SCKT), and unencapsulated eggshell powder (SCKT). Kinetic analysis was conducted using pseudo-first-order and pseudo-second-order models. The results indicated that the adsorption process for all adsorbents followed the pseudo-second-order kinetic model, as evidenced by higher correlation coefficient (R²) values.
Co-Authors Anwar Anwar Arrang, Meylisa Liku Azzajjad, Muhammad Fath Dewi Satria Ahmar Haris Munandar Jefri Sembiring John Yoro Parlindungan Kusumah, Rangga Mani Yusuf Marpaung, Dewi Natalia Mendes, Johana Novike Bela Sumanik Rahmatia, Sitti Rusnadi Rusnadi Sarijan, Abdullah - Setyowati, Giyarsih Siregar, Lamtiar Ferawaty Sukirno Sukirno