A preliminary study on co-digestion of ossein industry waste for methane production

Kiris (tendon), kemik tutkali endustrisinde, birincil kemik temizleme tankindan atilan, macun kivaminda proteinimsi bir yan urundur. Cevre isisinda, parti halinde (toplu olarak) degisik oranlarda sigir diskisi ile degistirildi. Bu calismada, kiris (%40) ve sigir diskisi (%60) karisiminin, anaerobik parcalanmada buyuk bir etkinlikle, yuksek metan verimi icin daha uygun oldugu bulunmustur. Substrat olarak daha fazla kiris kisimlari kullanildiginda bile, %71-77 metan icerigi olan maksimum toplam biyogaz uretim hacmi (18 L) elde edildi. En iyi biyogaz uretim eldesi 23,4 L biyogaz/kg idi. Eklenen TVS biyometanlama surecinde kiris (%40) kullanilmasinin uygunlugunu ortaya cikarmistir. Buna ilaveten, herbir sindiricinin pH'si alkaline kaymadi ve sindirim boyunca surekli olarak optimal aralikta kaldi. Bu alternatif strateji, muhtemelen, endustrideki toplu kiris depolanmasindan kaynaklanan kokularin kontrol altina alinmasinda faydali olacaktir.

Metan üretimi için osein endustrisi atığının ko-sindirimi üzerine öncül bir çalışma

Abstract Sinews is a pasty proteinaceous by-product discharged from a primary bone clarification tank in the ossein industry, which was mixed with cattle dung in different proportions at ambient temperature. This study found that a mixture of sinews (40%) and cattle dung (60%) was more appropriate for enhanced methane yields with a high efficacy on anaerobic degradation. A maximum cumulative biogas production volume (18 L) with 71-77% methane content was obtained even with more parts of the sinews were used as a substrate. The best biogas production yield was 23.4 L biogas/Kg TVS added, revealed the suitability of the sinews mixture (40%) in the biomethanation process. In addition, the pH of each digester was not shifted to alkaline which was constantly maintained within optimal range during the course of digestion. Perhaps, this alternate strategy will be helpful for managing the odor produced from sinews during bulk storage.

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Kaynak Göster

  • ISSN: 1307-9867
  • Yayın Aralığı: Yılda 0 Sayı
  • Başlangıç: 2018

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