Mathematical Model for Quantitative Analysis of Acidogenic Performance under Microaeration Condition in Anaerobic Vinasse Treatment

Gregorius Prima Indra Budianto, Wisnu Arfian Anditya Sudjarwo


This paper presents the influence microaeration in anaerobic vinasse treatment in kinetics aspect. The kinetics aspect is use to approach the effect of microaearation in anaerobic vinasse treatment systematically. During the experiment, amounts of air in different concentrations was injected in slurry phase into different anaerobic digesters once a day. The varians of it are 0 L air/L feed; 0.5 L air/L feed; and 100 L air/L feed. The process was conducted in 28 days on a batch mode anaerobic system. As the result, the addition of 0.5 Lair/L feed could increase biodegradability and accelerate acidogenesis phase so the anaerobic process can run stable and faster that can be proven by the percentage of VS removal reaching up to 76% and cuts the lag phase and HRT making it shorter.


anaerobic, microaeration, vinasse

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