Optimal combination of food waste and maize husk for enhancement of biogas production: Experimental and modelling study

Owamah, H.I and Izinyon, O.C. (2015) Optimal combination of food waste and maize husk for enhancement of biogas production: Experimental and modelling study. Environmental Technology & Innovation, 4. pp. 311-318. ISSN 2352-1864

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Abstract

Thisstudywasfocusedontheoptimizationofbiogasproductionfromtheco-digestionoffoodwaste(FW)andmaizehusk(MH).Theco-digestionofFWandMHatvariousmixtureratioswascarriedoutindigestersAtoEat37±1°C.DigestersA,B,C,DandEcontainedFW:MHof(100:0;75:25;50:50;25:75;0:100)respectively.Resultsobtainedshowedthataveragebiogasyieldsof0.50±0.04,0.71±0.07,0.54±0.05,0.30±0.03,and0.24±0.02L/gVSwereobtainedfromdigestersA,B,C,D,andErespectively.ThemodifiedGompertzmodellingoftheexperimentaldatashowedthatdigestersA,B,C,D,andEhadlatency(λ)of4.1,4.9,6.9,7.4,and10.6daysrespectively.DigesterBhadthehighestmaximumspecificbiogas productionRm, and maximum biogas production potential (A) of 0.50 L/gVS/dayand 20.7 L/gVS respectively. TheR2values between experimental and simulation dataranged from 0.9913 to 0.9989 in all digesters. The Post hoc Test in ANOVA using theLeastSignificantDifference(LSD)confirmedthatthereweresignificantdifferencesinthemean biogas yield from the different digesters. The study therefore shows that the bestcombinationofFWandMHforenhancedbiogasproductionoccurredindigesterB.

Item Type:	Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Depositing User:	Mr DIGITAL CONTENT CREATOR LMU
Date Deposited:	22 Oct 2019 15:03
Last Modified:	22 Oct 2019 15:03
URI:	https://eprints.lmu.edu.ng/id/eprint/2592

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