SIMULATION OF CONCENTRATIONS AND DISPERSION OF HYDROGEN SULFIDE (H2S) DUE TO INCINERATORS OF SULFUR RECOVERY UNITS IN A GAS REFINERY IN ASALUYEH

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AZAM MINABI; ATABI FARIDEH; MOATTAR FARAMARZ; JAFARI MOHAMMAD JAVAD

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Journal: JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING Year:2017 | Volume:4 | Issue:4 Page(s): 279-288

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Title

SIMULATION OF CONCENTRATIONS AND DISPERSION OF HYDROGEN SULFIDE (H2S) DUE TO INCINERATORS OF SULFUR RECOVERY UNITS IN A GAS REFINERY IN ASALUYEH

Author(s)

AZAM MINABI | ATABI FARIDEH | MOATTAR FARAMARZ | JAFARI MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

GAS REFINERYQ1

DISPERSION PATTERNSQ1

HYDROGEN SULFIDEQ1

SULFUR RECOVERY UNITQ1

AERMOD MODELQ1

Abstract

Background and Goal: Refineries are the main source of various pollutants, including HYDROGEN SULFIDE (H2S). Therefore distribution and control processing to meet the environmental standard limits is an important issue in industrial units.The present study was carried out to investigate H2S concentrations and DISPERSION PATTERNS originating from incinerators of SULFUR RECOVERY UNITs in a GAS REFINERY located in Asaluyeh.Materials and Methods: In this study, H2S concentrations exhausted from two incinerators’ stacks and also ambient H2S concentrations at five monitoring stations in and around the refinery were measured in four seasons from summer 2014 to spring 2015. Moreover, the ambient concentrations and dispersion of H2S were simulated at average times of 1-hr and 8-hr on 50×50 km2 scale using AERMOD MODEL and the simulated results were compared with the measured ones. Meanwhile, the concentration contour plots and the sensitive regions were determined using GIS.Results: The simulation results indicated that maximum ambient H2S concentrations were in 1-h average. Assessment of model performance was performed by comparison of H2S simulated and measured concentrations using statistical analysis and showed that the correlation coefficients in summer 2014, autumn 2014, winter 2014 and spring 2015 were 0.77, 0.89, 0.75 and 0.8, respectively.Conclusion: The results of this study showed that the variations of measured concentrations were consistent with those of simulated ones. Meanwhile, the contribution of neighbor industries was determined. Comparision of 8-h H2S concentrations with OSHA and NIOSH standard limits indicated that there was no significant health risk in this refinery.

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APA: Copy

AZAM, MINABI, ATABI, FARIDEH, MOATTAR, FARAMARZ, & JAFARI, MOHAMMAD JAVAD. (2017). SIMULATION OF CONCENTRATIONS AND DISPERSION OF HYDROGEN SULFIDE (H₂S) DUE TO INCINERATORS OF SULFUR RECOVERY UNITS IN A GAS REFINERY IN ASALUYEH. JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING, 4(4 ), 279-288. SID. https://sid.ir/paper/259272/en

Vancouver: Copy

AZAM MINABI, ATABI FARIDEH, MOATTAR FARAMARZ, JAFARI MOHAMMAD JAVAD. SIMULATION OF CONCENTRATIONS AND DISPERSION OF HYDROGEN SULFIDE (H₂S) DUE TO INCINERATORS OF SULFUR RECOVERY UNITS IN A GAS REFINERY IN ASALUYEH. JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING[Internet]. 2017;4(4 ):279-288. Available from: https://sid.ir/paper/259272/en

IEEE: Copy

MINABI AZAM, FARIDEH ATABI, FARAMARZ MOATTAR, and MOHAMMAD JAVAD JAFARI, “SIMULATION OF CONCENTRATIONS AND DISPERSION OF HYDROGEN SULFIDE (H₂S) DUE TO INCINERATORS OF SULFUR RECOVERY UNITS IN A GAS REFINERY IN ASALUYEH,” JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING, vol. 4, no. 4 , pp. 279–288, 2017, [Online]. Available: https://sid.ir/paper/259272/en

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