Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon

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GOWDINI MEHDI; Gowdini Hatam; SALIMI FARHAD

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2018 | Volume:20 | Issue:2 (77) Page(s): 1-15

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Title

Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon

Author(s)

GOWDINI MEHDI | Gowdini Hatam | SALIMI FARHAD | Issue Writer Certificate

Keywords

Ammonia-NitrogenQ1

NitrificationQ2

DenitrificationQ1

Granular Activated CarbonQ2

Abstract

Background and objective: Petrochemical industry as well as some other industries is one of the environmental pollution which polluttted wastewater with ammonia nitrogen. The objective of this study was two-step ammonia nitrogen removal from Kermanshah Petrochemical effluent using native bacteria immobilized on Granular Activated Carbon. Method: This study conducted in continuous mode using two reactors with effective volume of 1. 7 l for each reactor. These reactors operated as up-flow and fixed film. Granular Activated Carbon immobilized with nitrifier and denitrifire bacteria has been used as media. Initial concentrations of ammonia and nitrate (50-200 mg/l) with retention time (1-3 h) at pH 8 and temperature of 28 ± 3 ° C were studied. Findings: Results showed that with increasing in retention time in both reactors Nitrification and deNitrification efficiency increased. The maximum Nitrification and deNitrification rates were 2. 69 Kg NH4+/m3. d and 2. 49 Kg NO3-/m3. d respectively. Maximum Nitrification and deNitrification rates occurred at 3h retention time and ammonia and nitrate removal efficiency were achieved 99. 5 percent. Discossion and Conclusion: This study has been showed that native bacteria immobilized on Granular Activated Carbon and use of that in a continuous up-flow attached-growth reactor for the removal of ammonia has a high efficiency.

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APA: Copy

GOWDINI, MEHDI, Gowdini, Hatam, & SALIMI, FARHAD. (2018). Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 20(2 (77) ), 1-15. SID. https://sid.ir/paper/86933/en

Vancouver: Copy

GOWDINI MEHDI, Gowdini Hatam, SALIMI FARHAD. Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2018;20(2 (77) ):1-15. Available from: https://sid.ir/paper/86933/en

IEEE: Copy

MEHDI GOWDINI, Hatam Gowdini, and FARHAD SALIMI, “Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 20, no. 2 (77) , pp. 1–15, 2018, [Online]. Available: https://sid.ir/paper/86933/en

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