کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
681875 | 888970 | 2010 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Pilot-scale anaerobic digestion of screenings from wastewater treatment plants Pilot-scale anaerobic digestion of screenings from wastewater treatment plants](/preview/png/681875.png)
The anaerobic digestion of screenings from a municipal wastewater treatment plant was studied in a 90 L pilot-scale digester operated at 35 °C under semi-continuous conditions. In the first 4 weeks, a dry solids residence time of 28 days was applied, but the installation of inhibitory conditions was observed. Feeding was therefore suspended for 4 weeks to allow the digester to recover from inhibition, and then progressively increased up to a constant load of 6 kg of raw waste per week, corresponding to an average residence time of about 35 days of dry solids. At this stage, biogas production stabilized between 513 and 618 Nl/kg VSadded per week, with methane contents around 61% v/v. The results of this work thereby supported the feasibility of (co-)digestion as a potential alternative treatment of screenings from municipal wastewater treatment plants.
Journal: Bioresource Technology - Volume 101, Issue 23, December 2010, Pages 9006–9011