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Archives of Hygiene Sciences، جلد ۵، شماره ۱، صفحات ۳۹-۴۶
عنوان فارسی
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عنوان انگلیسی Characteristics and Disposal Options of Sludges from an Oil Refinery Wastewater Treatment Plant in Iran, 2013
چکیده انگلیسی مقاله Background & Aims of the Study: Industrial wastewater sludges must be disposed in a safe way because they have hazardous effects on the human and environment. The aim of this study is to investigate the physicochemical characteristics and disposal options of sludges from oil-water separator (OWS) and dissolved air flotation (DAF) clarifier of a Refinery wastewater treatment plant. Materials & Methods: Sludge samples were collected in grab sampling manner, in 6 month (April-September 2013) in order to be analyzed for their physicochemical characteristics. Kolmogorov-Smirnov Z, independent t-test, Mann-Whitney U test, one sample t-test and Wilcoxon signed rank test were used for statistical analysis. Canadian Soil Quality Guidelines (CSQG) and Florida Department of Environmental Protection Soil Cleanup Target Levels (FDEPSCTLs) were used to discuss the disposal fate of the generated sludge. Results: As, Cd, Cu, Pb and Se were not detected in the studied sludge. As compared with CSQG, the investigated sludge were polluted for residential/parkland, agricultural, commercial and industrial applications, because they contained high concentrations of Cr, Ni and Zn. Also, according to FDEPSCTLs, the studied sludges were not suitable for residential and non-residential applications due to their high Al and Ni contents. DAF sludge had a high Zn concentration for residential application, too. Conclusions: present sludge management in the studied plant needs to be revised because metals' concentrations are above the international standards and guidelines.
کلیدواژه‌های انگلیسی مقاله Wastewater,Oil Refinery , Sludges, , Plant, Iran
نویسندگان مقاله مهدی احمدی | mehdi ahmadi
a environmental technologies research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. bdepartment

سازمان اصلی تایید شده: دانشگاه علوم پزشکی جندی شاپور اهواز (Ahvaz jundishapur university of medical sciences)

زهرا تمیمی | zahra tamimi
ahvaz jundishapur university of medical sciences

سازمان اصلی تایید شده: دانشگاه علوم پزشکی جندی شاپور اهواز (Ahvaz jundishapur university of medical sciences)

نعمت جعفرزاده | nemat jaafarzadeh
a environmental technologies research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. bdepartment

سازمان اصلی تایید شده: دانشگاه علوم پزشکی جندی شاپور اهواز (Ahvaz jundishapur university of medical sciences)

پری تیموری | pari teymouri
denvironmental health research center, kurdistan university of medical sciences, sanandaj, iran. edepartment of environm


روح انگیز ملکی | rohangiz maleki
a environmental technologies research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. bdepartment

سازمان اصلی تایید شده: دانشگاه علوم پزشکی جندی شاپور اهواز (Ahvaz jundishapur university of medical sciences)

نشانی اینترنتی http://jhygiene.muq.ac.ir/browse.php?a_code=A-10-1-6&slc_lang=en&sid=en
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