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Temperature and Organic Loading Rate Influence on Biomethanation of Petrochemical Wastewater using CSTR

Siddique, Md. Nurul Islam and Zularisam, A. W. and Ideris, Zakaria and Mimi Sakinah, A. M. (2011) Temperature and Organic Loading Rate Influence on Biomethanation of Petrochemical Wastewater using CSTR. International Journal of Civil Engineering and Geo-Environmental, 2 (1). pp. 59-64. ISSN 2180-2742

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Abstract

The effect of gradual increase in organic loading rate (OLR) and temperature on biomethanation from petrochemical wastewater treatment was investigated using CSTR. The digester performance was measured at hydraulic retention time (HRT) of 4 to 2d, and start up procedure of the reactor was monitored for 60 days via chemical oxygen demand (COD) removal, biogas and methane production. By enhancing the temperature from 30 to 55 ˚C Thermophilic condition was attained, and pH was adjusted at 7 ± 0.5 during the experiment. Supreme COD removal competence was 98±0.5% (r = 0.84) at an OLR of 7.5 g-COD/Ld and 4d HRT. Biogas and methane yield were logged to an extreme of 0.80 L/g-CODremoved d (r = 0.81), 0.60 L/g-CODremoved d (r = 0.83), and mean methane content of biogas was 65.49%. The full acclimatization was established at 55 ˚C with high COD removal efficiency and biogas production. An OLR of 7.5 g-COD/L d and HRT of 4 days were apposite for petrochemical wastewater treatment.

Item Type: Article
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Noorul Farina Arifin
Date Deposited: 22 Dec 2014 08:31
Last Modified: 17 Jan 2018 03:52
URI: http://umpir.ump.edu.my/id/eprint/7941
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