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Journal of Advances in Environmental Health Research، جلد ۱۰، شماره ۱، صفحات ۷۳-۸۲
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عنوان انگلیسی Effect of Sulfur Granular, Iron Sulfate, and Thiobacillus Bacteria on Biodegradation of Diesel Oil
چکیده انگلیسی مقاله Background: Remediation of petroleum hydrocarbons from the soil is one of the essential factors. This study was conducted to test the impact of sulfur granular Municipal Soil Waste (sulfur granular MSW), foliar application of iron sulfate on biodegradation of diesel oil in a cadmium (Cd)-polluted soil in the presence of thiobacillus bacteria.
Methods: Treatments consisted of applying sulfur granular MSW at the rates of 0 and 15 t/ha and foliar application of iron sulfate (0 and 500 mg/L) in a Cd-polluted (0, 10, and 20 mg Cd/kg) soil that simultaneously contaminated with diesel oil (0%, 4%, and 8% w/w) in the presence of thiobacillus bacteria. After 60 days, the corns were harvested, and the plants’ Fe and Cd concentration was measured using Atomic Absorption Spectroscopy (AAS). In addition, the
biodegradation of diesel oil in the soil was measured.
Results: Soil application of sulfur granular MSW (15 t/ha) significantly increased the biodegradation of diesel oil in the soil by 16.1%. However, soil contamination with Cd had an adverse effect on the biodegradation of diesel oil in the soil. The presence of thiobacillus bacteria had a considerable effect on reducing the Fe and Cd concentration of the plant by 16.1% and 17.3%, respectively.
Conclusion: Based on the study results, using sulfur granular MSW and foliar application of iron sulfate has a significant effect on the biodegradation of diesel oil in the heavy metal polluted soil. However, the role of plant physiology, the type, and the amount of pollution on phytoremediation efficiency cannot be ignored.
کلیدواژه‌های انگلیسی مقاله Environmental pollution,Iron,Bio-degradation,Hydrocarbons,Thiobacillus
نویسندگان مقاله Amir Hossein Baghaie |
Department of Soil Science, Arak Branch, Islamic Azad University, Arak, Iran

Amir Daliri |
Department of Soil Science, Arak Branch, Islamic Azad University, Arak, Iran

نشانی اینترنتی https://jaehr.muk.ac.ir/article_140988_f90a5bba2686f5c6a8557db06d663fac.pdf
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