<![CDATA[The aimed of the research was to got the best combination of EM4 and Chlorella sp in reduced pollutant sago liquid waste. This research was used a Completely Randomized Design (CRD) non factorial with five treatments and three replications to obtain 15 experimentals unit. Formulation treatments were A0 (without addition EM4), A1(addition 5 ml EM4), A2 (additon 10 ml EM4), A3 (addition 15 ml EM4), A4 (addition 20 ml EM4). Data obtained was Analyzed Statistically Using Analysis of Variance (ANOVA). If F calculated equal to or greater than F table then proceed to test Duncan’s MultipleNew Range Test (DNMRT) at level 5%. The result showed that the addition of 20 ml EM4 effectively reduce levels of sago waste pollutant as much as 90,2% COD, 83% BOD, and 81% TSS. The other side pH was increase from 4,17 to 7,07. Keywords: EM4, Chlorella sp, sago liquid waste, COD, BOD, TSS, pH.]]>
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