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All Journal Jurnal Lahan Suboptimal Jurnal Ilmiah Universitas Batanghari Jambi IJEMS (Indonesian Journal of Environmental Management and Sustainability) Elektriese: Jurnal Sains dan Teknologi Elektro SLUMP TeS : Jurnal Teknik Sipil
Anggrika Riyanti, Anggrika
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Removal of Organic Pollutant from Industrial Rubber Wastewater Using Pineapple Crown Bio-Adsorbents Fitria, Riska Rahmah Dani; Riyanti, Anggrika; Hadrah; Marhadi; Nazarudin; Sisca Afrilia Silalahi
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 1 (2026): March
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.1.60-69

Abstract

Industrial rubber wastewater contains high levels of organic substances (proteins, carotenoids, organic salts, and lipids in residual latex) that can be observed in high concentrations of BOD5 (Biochemical Oxygen Demand) and COD (Chemical Oxygen Demand). Pineapple waste is an organic waste that can be utilized as a bio-adsorbent to remove pollutants from wastewater. This study aims to investigate the effectiveness of pineapple crown waste activated with KOH in removing BOD5 and COD in rubber industry wastewater. The effectiveness of the adsorbent was tested in batches at varying adsorbent dosages of 0.5 g, 1.0 g, and 1.5 g at stirring speeds of 50 rpm, 100 rpm, and 150 rpm. The adsorption isotherm model was analyzed using the Langmuir and the Freundlich models. The results showed that the optimum BOD5 removal rate in rubber industry wastewater using pineapple crown adsorbent was achieved at an adsorbent dosage of 0.5 g with a stirring speed of 100 rpm, resulting in an adsorption capacity of 62.78 mg/g and a removal efficiency of 94.35%. The optimum COD removal was achieved at an adsorbent dosage of 0.5 g, with a stirring speed of 100 rpm, resulting in an adsorption capacity of 199.816 mg/g and a removal efficiency of 95.15%. The adsorption isotherm model most suitable for both BOD5 and COD is the Freundlich model. Increasing the adsorbent dosage does not significantly enhance removal efficiency.
Co-Authors Endi Adriansyah Febrina, Wetri Fitria, Riska Rahmah Dani Guntoro, Boby Dwi Hadrah Hadrah Hadrah, Hadrah Hadrah, Hadrah Handayani, Lucya Ilham Akbar Ilham, M. Jannah, Iptahul M. Riski Pratama Marhadi Marhadi Monik Kasman Muqorrobin, Fajri Nazarudin Peppy Herawati Prasasti, Dinda Putri, Ni’mah Khalifah Raudhati, Emelda Samuel Samuel Sisca Afrilia Silalahi Siti Umi Kalsum Suzana, Asih Wiguna, Reiva Zeusica Sihombing, Arisanti Monica