The Malaysian Journal of Analytical Sciences Vol 17 No 1 (2013): 200 – 207

 

 

 

PERAWATAN AIR SISA KILANG KELAPA SAWIT SECARA ELEKTROKIMIA

 

(Palm Oil Factory Wastewater Treatment Using Electrochemical Technique)

 

Nor Ain Mohd Aluwi, M.S Md Jamil, Rahimi M. Yusop, Bakri Din, Firdaus Ismail,

Mohamed Rozali Othman*

 

Pusat Pengajian Sains Kimia dan Teknologi Makanan, Fakulti Sains dan Teknologi

Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

 

*Corresponding author: rozali@ukm.my

 

 

Abstrak

Kajian ini dilakukan untuk merawat air buangan yang diambil dari sumber sisa air buangan kilang kelapa sawit secara elektrokimia menggunakan besi tahan karat sebagai elektrod dalam 0.1 M NaCl. Sampel yang dielektrolisis dianalisis menggunakan UV-Vis dan penentuan nilai COD. Disamping sisa cecair, sisa pepejal yang diperolehi turut dianalisis menggunakan FTIR dan penganalisa CHNS. Hasil kajian mendapati warna air buangan tersebut dapat dikurangkan sehingga 50% dan paras COD dikurangkan sehingga 80% untuk tempoh elektrolisis selama 3 jam dan dikenakan keupayaan setinggi 10 V.

 

Kata kunci: Rawatan air buangan, elektrolisis

 

Abstract

A study was carried out to determine the suitability of palm oil factory wastewater treatment using electrochemical technique with stainless steel as both working and counter electrode in 0.1 M NaCl. Treated liquid samples were later analysed using UV-Vis and COD determination. While solid samples formed during the electrolysis process were analyse using FTIR and CHNS analyser. Results obtained showed than electrochemical technique with the above condition able to reduced color and COD level of the waswater up to 50% and 80% respectively after 3 h electrolysis time with 10 V applied voltage.

 

Keywords: Wastewater treatment, electrolysis

 

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