Immobilized Cement Kiln Dust Enhances Biomass and Neutralizing of Palm Oil Mill Effluent for Biogas Production

Zularisam, A. W. and Anwar, Ahmad (2015) Immobilized Cement Kiln Dust Enhances Biomass and Neutralizing of Palm Oil Mill Effluent for Biogas Production. Environmental Progress & Sustainable Energy, 34 (3). pp. 736-743. ISSN 1944-7442 (print); 1944-7450 (online). (Published)

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Abstract

Immobilization techniques were adopted for the treatment of palm oil mill effluent (POME) and biogas production using immobilized anaerobic sludge as the seed. The performance of an upflow anaerobic sludge blanket reactor (UASBR) was monitored using cement kiln dust (CKD) at various hydraulic retention time (HRT). POME was used as the substrate carbon source. UASBR with POME concentration of 20 g-COD/L in the feed was able to produce methane at an optimal rate of 0.689 L CH4/(L POME h) and HRT of 50 h. The reactor pH was improved and maintained above 7.5 steadily by increasing CKD dose from 1.5 to 10 gCKD/L. In UASBR containing immobilized-granule, the methane production rate was 0.600–0.699 L CH4/(L POME h) at HRT of 75 h. The biogas production rate of 1.37 L/g-CODremoved.h and COD removal of 93% were found at POME concentration of 20 g COD/L (r 5 0.95) and HRT of 75 h. The suspended solids removal of 82% was found at 6.5 gCKD/L dose (r 5 0.99). VC 2014 American Institute of Chemical Engineers Environ Prog, 00: 000–000, 2014

Item Type: Article
Uncontrolled Keywords: immobilized techniques, cement kiln dust, palm oil mill effluent, mass balance, methane
Subjects: Q Science > QD Chemistry
Faculty/Division: Faculty of Engineering Technology
Depositing User: Miss. Ratna Wilis Haryati Mustapa
Date Deposited: 12 Jan 2015 07:52
Last Modified: 17 Jan 2018 04:11
URI: http://umpir.ump.edu.my/id/eprint/8027
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