Malaysian Journal of Analytical Sciences Vol 22 No 4 (2018): 735 - 741

REMOVAL OF OIL AND GREASE AND ANIONIC SURFACTANTS IN SYNTHETIC CAR WASH WASTEWATER USING KAPOK FIBER:

A BATCH-SCALE STUDY

(Penyingkiran Minyak dan Gris dan Anionik Surfaktan dalam Air Sisa Sintetik Basuhan Kereta Menggunakan Fiber Kapok: Kajian Skala-Kelompok)

Muhammad Shahrul Shafendy Ibrahim* and Nor Haslina Hashim

Department of Civil Engineering Technology,

Faculty of Engineering Technology,

Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia

*Corresponding author: msshafendy2@gmail.com

Received: 16 April 2017; Accepted: 7 March 2018

Abstract

Kapok fiber (Ceiba pentandra) is a natural sorbent that exhibits excellent hydrophobic-oleophilic characteristics. The effects of dosage, and contact time were studied in a batch study. The initial and final concentration of the oil and grease and anionic surfactants in the synthetic car wash wastewater were evaluated to determine the removal efficiency of Kapok fiber. The results show excellent performance of Kapok fiber in removing oil and grease up to 100%, achieved using 0.1 g with 10 minutes contact time. Meanwhile, highest removal of anionic surfactants was up to 46%, achieved using 3.0 g of Kapok fiber with 10 minutes contact time. Overall, Kapok fiber showed great potential as an effective oil and grease, and anionic surfactants adsorbent.

Keywords: wastewater treatment, car wash wastewater, Kapok fiber, oil and grease, anionic surfactants

Abstrak

Serat Kapok (Ceiba pentandra) adalah penyerap semulajadi yang mempamerkan ciri-ciri hidrofobik-oleofilik cemerlang. Kesan dos, dan masa tindak balas dikaji dalam kajian skala kelompok. Kepekatan awal dan akhir kehadiran minyak dan gris surfaktan anionik dalam air kumbahan sintetik disediakan telah dinilai untuk menentukan kecekapan serat Kapok. Keputusan menunjukkan prestasi yang sangat baik serat Kapok dalam mengeluarkan minyak dan gris dan surfaktan anionik. Penyingkiran minyak dan gris sehingga 100% telah dicapai dengan menggunakan 0.1 g dengan masa tindak balas selama 10 minit, manakala penyingkiran surfaktan anionik sehingga 46% telah dicapai dengan menggunakan 3.0 g serat Kapok dengan masa 10 minit kenalan. Secara keseluruhan, serat Kapok berpotensi tinggi sebagai minyak dan gris yang berkesan dan penjerap surfaktan anionic yang berkesan.

Kata kunci: rawatan air sisa, air sisa basuhan kereta, serat Kapok, minyak dan gris, surfaktan anionik

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