Optimum conditions for immobilization of fat, oil and grease (fog) by Calcium alginate

Jami, Mohammed Saedi and Fazil, Nurul Alia and Iwata, Masashi (2016) Optimum conditions for immobilization of fat, oil and grease (fog) by Calcium alginate. In: 4th International Conference on Biotechnology Engineering 2016 (ICBioE 2016), 25th-27th July 2016, Kuala Lumpur.

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Abstract

Fat oil and grease (FOG) poses a great problem when not disposed properly. FOG clogs pipes and screens, which cause overflows and stench problem. FOG entering wastewater treatment plant will require extra energy for FOG breakdown. Current wastewater pre-treatment plant system handling FOG consumes high energy and time. This study aims to introduce a new FOG wastewater pre-treatment process by immobilizing the FOG in a calcium alginate gel beads. Using Design-Expert software, Response surface methodology (RSM) based on face centred central composite design (FCCCD) was used to optimize two important process variables – pH of FOG and concentration of sodium alginate using oil entrapment efficiency (OEE) as response parameter. The mixtures of synthetic FOG wastewater and sodium alginate were dropped in calcium chloride solution in droplets form to produce gel beads. The optimum combination for having highest OEE percentage at 87.27% was found to be at pH 4.7 and 10000 ppm concentration of sodium alginate. Coating the gel beads with chitosan has improved the FOG loss during mechanical expression from 23.73 % to 12.58 % FOG loss. The gel beads were dissolved completely in phosphate buffer solution of pH 5, 8 and 9.

Item Type:	Conference or Workshop Item (Invited Papers)
Additional Information:	5545/51724
Uncontrolled Keywords:	Immobilization; FOG; Mechanical Expression; Alginate
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD511 Sewage collection and disposal systems. Sewerage
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering
Depositing User:	Prof. Ir. Dr. Mohammed Saedi Jami, PhD CEng MIChemE
Date Deposited:	22 Aug 2016 15:41
Last Modified:	22 Aug 2016 15:41
URI:	http://irep.iium.edu.my/id/eprint/51724

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