Pollution Research Paper

Vol 33, Issue 04, 2014 ; Page No.(657-661 )

EFFECT OF AGITATION AND REACTION TIME TO BIOLOGICAL TREATMENT OF POULTRY MANURE WASTEWATER

NINA, F. M. JAMALUDIN1 AND NORAZWINA ZAINOL

Abstract

In this study, the best treatment condition of poultry manure wastewater (PMW) was determined for the purpose of improving biogas production by using two-level full factorial design. Five factors were chosen for factorial screening namely: agitation, reaction time, type of soil, soil to water ratio and PMW to soil water (SW) ratio. Based on main effect analysis, agitation gave highest contribution at 38.36%. In term of interaction, agitation and reaction time gave the highest contribution at 3.33% contribution. The best treatment condition suggested by Design Expert software was using poultry soil as source of soil at soil to water ratio 1:6, and mixed with PMW at 1:4 ratio without agitation for 5 hours reaction time. Application of this best condition showed improvement in biogas yield by 82 % where biogas yield was up to 0.0248 L/g COD by using treated PMW compared to only 0.0045 L/g COD by using untreated PMW.

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