این سایت در حال حاضر پشتیبانی نمی شود و امکان دارد داده های نشریات بروز نباشند
Ecopersia، جلد ۱، شماره ۲، صفحات ۱۱۱-۱۲۴
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Influence of Process and Operational Factors on a Sequencing Batch Reactor (SBR) Performance Treating Stimulated Dairy Wastewater
چکیده انگلیسی مقاله A bench scale aerobic sequencing batch reactor (SBR) was evaluated in terms of its potential to treat synthetic dairy wastewater. The 2-l plexiglass bioreactor was supplied with oxygen via a fine bubble air diffuser, fed with synthetic dairy wastewater under various operational conditions. To analyze the process, three significant independent variables - influent chemical oxygen demand (COD), mixed liquor volatile suspended solids (MLVSS), and aeration time - were assessed. Three dependent process and quality parameters (as process responses) were also evaluated: total COD removal efficiency, sludge volume index (SVI) and final pH. The experiments were based on a central composite design (CCD) and analyzed using response surface methodology (RSM). The treatment was limited to the following concentration regimes: COD (1000, 3000 and 5000 mg/l), MLVSS (3000, 5000 and 7000 mg/l) and aeration time (2, 10 and 18 h). Maximum COD removal efficiency (of 96.5%) was obtained for an influent with the following characteristics: CODin: 3000 mg/l, MLVSS 5000 mg/l, and aeration time of 18 h. The study demonstrated the capability of aerobic SBRs for high COD removal from dairy industrial wastewater. Easy operation, low cost, and minimal sludge bulking condition were some of advantages of the SBR system as an option for biological treatment of medium-strength industrial wastewater. The present study provides valuable information about relationships between quality and process parameters for different values of operating variables.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله علی اکبر زینتی زاده | ali akbar
faculty of chemistry, razi university, kermanshah, iran
سازمان اصلی تایید شده: دانشگاه رازی (Razi university)

اعظم اخباری |
faculty of chemistry, razi university, kermanshah, iran
سازمان اصلی تایید شده: دانشگاه رازی (Razi university)

مهرداد فرهادیان |
water and power industry institute for applied and scientific higher education, isfahan, iran

یداله منصوری |
faculty of chemistry, razi university, kermanshah, iran
سازمان اصلی تایید شده: دانشگاه رازی (Razi university)

مقداد پیرصاحب |
health research center khrc , kermanshah university of medical science, iran

رضا amirsaie |
water and power industry institute for applied and scientific higher education, kermanshah, iran

نشانی اینترنتی http://ecopersia.modares.ac.ir/article_351_67d421bbfbd97528713b4996c9f8ec07.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/391/article-391-484888.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده
برگشت به: صفحه اول پایگاه   |   نسخه مرتبط   |   نشریه مرتبط   |   فهرست نشریات