Evaluation of the Efficiency of Integrated Fixed-Film Activated Sludge reactor for Treatment of Wastewater from Vegetable Oil Industries
محل انتشار: مجله آرشیو علوم بهداشتی، دوره: 7، شماره: 3
سال انتشار: 1397
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 256
فایل این مقاله در 8 صفحه با فرمت PDF قابل دریافت می باشد
- صدور گواهی نمایه سازی
- من نویسنده این مقاله هستم
استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
JR_AHS-7-3_007
تاریخ نمایه سازی: 3 اسفند 1399
چکیده مقاله:
Background & Aims of the Study: Wastewater discharges from vegetable oil industry cause environmental problem, including pollution of groundwater and surface water. Therefore, this study evaluated the efficiency of Integrated Fixed-Film Activated Sludge (IFAS) reactor for treatment of wastewater from Varamin vegetable oil industries.
Materials & Methods: This was an experimental study. The anaerobic reactor and the aerobic reactor with sedimentation unit were made from polyethylene and plexiglas. The IFAS reactor was packed with ratio 70% by Honeycomb packing F 19-1. To create optimal growth conditions for microorganisms in anaerobic digestion, the COD/N/P ratio was adjusted to 300/5/1. Sampling and analysis of the total of the parameters studied at the system stability time during different times from the pilot output.
Results: The results showed the high removal efficiency of the COD, BOD and TSS (97.9%, 98.2% and 98.8 %, for 2 day anaerobic and 8 hrs aerobic, respectively). Also, the highest COD removal efficiency was observed for these three parameters in the IFAS system at HRT 8 hrs aerobic (>99.7%, >97.7% and 97.6 %, respectively).
Conclusion: In general, the results showed that industrial wastewater treatment methods using the IFAS biological reactor are a suitable method for the removal of pollutants and can replace conventional methods. Also, the efficiency of removing COD, BOD and TSS from plant effluent has been at the optimum level for all retention time managed by the IFAS system.
کلیدواژه ها:
Integrated Fixed-Film Activated Sludge ، Attached Growth ، Industrial Wastewater ، Vegetable Oil Industry ، Biological Treatment.
نویسندگان
Ghazaleh Monazami Tehrani
Department of Health, Safety and Environment, school of public health and safety, Shahid Beheshti University of Medical Scien ces and Health Services
Mohammad Molla Mahmoudi
Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences,
Hasti Borgheipour
Department of Environmental Engineering, Central Tehran Branch, Islamic Azad University
Alireza Nezampour
D epartment of Health, Safety, and Environment, S chool of Engineering, Islamic Azad University, Central Tehran Branch
مراجع و منابع این مقاله:
لیست زیر مراجع و منابع استفاده شده در این مقاله را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود مقاله لینک شده اند :