Sains Malaysiana 49(1)(2020): 69-74

http://dx.doi.org/10.17576/jsm-2020-4901-08

 

Penyahwarnaan Efluen Kilang Minyak Kelapa Sawit (POME) melalui Proses Pengoksidaan Fenton secara Berterusan menggunakan Limonit sebagai Pemangkin

(Palm Oil Mill Effluent (POME) Decolorize through Continuous Fenton Oxidation Process using Limonite as Catalyst)

 

NUR FAZLINDA RAZALI1, CHIN HUA CHIA1*, SARANI ZAKARIA1, MOHD SHAIFUL SAJAB2, TATSUYA TOBE3 & MIKU TSUDA4

 

1Bioresources and Biorefinery Laboratory, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

2Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

3Nihon Suido Consultants Co., Ltd., Shinjuku-ku, Tokyo, 160-0023, Japan

 

4Japan Limonite Co., Ltd., Aso City, Kumamoto, 869-2235, Japan

 

Received: 25 December 2018/Accepted: 10 October 2019

 

ABSTRAK

Industri minyak sawit mempunyai impak yang besar ke atas alam sekitar terutama di Malaysia. Efluen kilang minyak sawit (POME) merupakan air buangan yang mengandungi sebatian organik yang berasal daripada bahan boleh urai dan sedia direput oleh mikroorganisma. Teknologi rawatan POME masa kini banyak bertumpu kepada kaedah biologi untuk mengurangkan permintaan oksigen kimia (COD), permintaan oksigen bio-kimia (BOD) dan jumlah karbon organik (TOC). Walau bagaimanapun, kebanyakan proses biologi tidak dapat menguraikan warna yang terdapat dalam POME. Kajian ini mengkaji potensi teknologi pengoksidaan Fenton menggunakan biji limonit sebagai pemangkin kepada hidrogen peroksida untuk merawat POME selepas proses rawatan biologi yang diperoleh daripada kilang minyak kelapa sawit. Keputusan menunjukkan dengan hanya 50 mM H2O2 boleh menyahwarnakan POME sebanyak 800-1000 PtCo secara berterusan dengan pengekalan masa 1 jam pada pH 3.

 

Kata kunci: Limonit; pengoksidaan Fenton; POME; sistem kolum berterusan; warna

 

ABSTRACT

Palm oil industry has huge impact on the environment especially in Malaysia. The palm oil mill effluent (POME) is a liquid waste that contains organic compounds derived from degradable material and was easily decomposed by microorganisms. Today's POME treatment technology relies heavily on biological methods to reduce chemical oxygen demand (COD), biochemical oxygen demand (BOD) and total organic carbon (TOC). However, these processes cannot decompose the color compounds found in POME. This study describes a study on potential uses of Fenton oxidation using limonite ore as catalyst to treat POME after biological treatment which was obtained from a palm oil mill. The results showed that only 50 mM of H2O2 could decolorize 800 - 1000 PtCo of the POME via continuous treatment with 1 hour retention time at pH 3.

 

Keywords: Limonite; colour; continuous column system; Fenton oxidation; POME

 

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*Corresponding author; email: chia@ukm.edu.my

 

 

 

 

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