Tek fazlı ve iki fazlı sistemlerde propilen glikolün havasız arıtılabilirliği

İki fazlı havasız sistemlerin tek fazlı sistemlere göre daha kararlı, inhibitor etkisine karşı daha dirençli, yüksek arıtma verimine sahip olmaları ve daha düşük reaktör hacimleri gerektirmeleri nedeniyle daha avantajlı olduğu düşünülmektedir. Bu çalışmanın amacı, yüksek biyolojik ve kimyasal oksijen değerine sahip propilen glikolun arıtılmasında tek fazlı ve iki fazlı sistemlerde kullanılabilecek organik yükün belirlenmesi ve iki sistemin birbiriyle mukayesededir. Her iki sistemin çamur yaşının 20 gün seçildiği çalışmada, iki fazlı sistemlerde tek fazlı sistemlere göre daha yüksek organik yük değerleri ve daha yüksek metan üretim hızı elde edilmiştir.

Anaerobic treatability of propylene glycol in single-phase and two-phase system

Two-phase anaerobic treatment is considered to be more advantageous than a single- phase process, because it is more stable, is more resistant to inhibitory conditions, has a higher treatment efficiency and less total reactor volume is required. The objective of this study was to determine and compare applicable organic loading rates of single and two-phase anaerobic completely mixed systems in treating propylene glycol, which has a high level of chemical and biological oxygen demand. Sludge retention time was chosen as 20 days for both systems. Under studied conditions, the two-phase system achieved a higher sustained organic loading rate and higher methane production rate than the single-phase system.

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