Please use this identifier to cite or link to this item: https://repository.uksw.edu//handle/123456789/29442
Title: Efektivitas Penurunan Kadar Chemical Oxygen Demand dan Kekeruhan Limbah Laundry Menggunakan Karbon Aktif Daun Eceng Gondok
Other Titles: Effectiveness of Reducing Chemical Oxygen Demand and Turbidity Levels in Laundry Waste Using Activated Carbon from Water Hyacinth Leaves
Authors: Hidayati, Nur Ayu
Keywords: Daun Eceng Gondok;Efektivitas;Karbon Aktif;Limbah Laundry
Issue Date: May-2023
Abstract: Senyawa lignoselulosa yang terkandung dalam daun eceng gondok (DEG) (Eichhornia crassipes) dapat digunakan untuk bahan baku pembuatan karbon aktif dengan tarif yang murah dan terbarukan. Karbon aktif DEG berpotensi sebagai media adsorpsi limbah laundry terutama pada kadar COD dan kekeruhan. Tujuan penelitian ini yaitu menentukan karakter adsorpsi karbon aktif DEG terhadap nilai COD dan kadar kekeruhan pada limbah laundry dalam kajian kinetika dan isoterm serta menentukan efektivitas penurunan kadar COD dan kekeruhannya. Proses pembuatan karbon aktif DEG dilakukan dengan proses karbonisasi pada suhu 400 °C selama 1 jam, selanjutnya di aktivasi menggunakan H3PO4 30% pada rasio impregnasi 1:4 (b/b) selama 24 jam dan aktivasi fisika pada suhu 600 °C selama 1 jam. Karbon Aktif DEG memiliki gugus fungsi O-H, C-H, C=C, C≡C, dan C-O. Hasil penelitian menunjukkan bahwa adsorpsi karbon aktif DEG pada nilai COD dan kadar kekeruhan limbah laundry mengikuti pemodelan isoterm Freundlich dan isoterm Elovich dengan nilai R2 berurutan yaitu 0,9535 dan 0,9905. Pemodelan kinetika adsorpsi nilai COD dan kadar kekeruhan pada limbah laundry mengikuti pemodelan kinetika Pseudo Orde Dua. Efektivitas penurunan karbon aktif DEG dalam adsorpsi nilai COD dan kekeruhan limbah laundry berturut-turut sebesar 80,76% dan 6,71%.
Lignocellulose compounds contained in water hyacinth leaves (WHL) (Eichhornia crassipes) can be used as raw material for the manufacture of activated carbon at a low and renewable rate. Activated carbon from water hyacinth leaves (ACWHL) has the potential as a laundry waste adsorption media, especially on COD and turbidity levels. The purpose of this study is to determine the adsorption character of ACWHL on COD values and turbidity levels in laundry waste in kinetics and isotherm studies and determine the effectiveness of reducing COD and turbidity levels. The manufacture process of ACWHL is carried out by carbonization at 400 ° C for 1 hour, then activated using 30% H3PO4 at an impregnation ratio of 1: 4 (b / b) for 24 hours and physical activation at 600 ° C for 1 hour. ACWHL has O-H, C-H, C=C, C≡C, and C-O functional groups. The results showed that the adsorption of ACWHL on COD values and turbidity levels of laundry waste followed Freundlich isotherm and Elovich isotherm modeling with R2 values of 0.9535 and 0.9905, respectively. Modeling the adsorption kinetics of COD values and turbidity levels in laundry waste follows the Second Order Pseudo kinetics modeling. The effectiveness of ACWHL reduction in adsorption of COD value and turbidity of laundry waste was 80.76% and 6.71%.
URI: https://repository.uksw.edu//handle/123456789/29442
Appears in Collections:T1 - Chemistry

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