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اصفهان: دانشگاه صنعتي اصفهان، دانشكده منابع طبيعي

1392

[سيزده]،76ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

حسين مرادي، عليرضا سفيانيان

18/4/93

نوراله ميرغفاري، سعيد پورمنافي

مهندسي منابع طبيعي

ID8456

فهرستمطالب هشت فهرستاشكال يازده فهرستجداول سيزده چكيده 1 فصل اول مقدمه 2 1 1 ضرورت و اهميت تحقيق 2 1 2 اهداف پژوهش 5 1 3 بررسي منابع 5 1 4 محتواي فصلهاي بعد 8 فصل دوم كليات 9 2 1 آلودگي هوا 9 2 2 تعريف آلودگي محيطزيست 11 2 3 اهم تاريخچه كنترل آلودگي هوا 11 2 4 منابع آاليندههاي هوا 21 2 5 طبقهبندي آاليندهها 11 2 5 1 منشأ 41 2 5 2 تركيب شيميايي 41 2 5 3 حالت ماده 51 2 6 آاليندههاي مورد مطالعه و اثرات آنها 51 2 6 1 اكسيدهاي نيتروژن 15 NOx

78 Modeling gaseous pollutants Dispersion of Esfahan Petrochemical Masumeh Nirumand Masumeh Nirumand@na iut ac ir Data of Submission 23 January 2014 Department of natural resources Isfahan Univercity of Technology Isfahan 84156 83111Degree M Sc Language FarsiSupervisor Hossein Moradi hossein moradi@cc iut ac irAlireza Soffianian soffianian@cc iut ac irAbstractNowadays air pollution is a global problem that has had significant growth by technologydevelopment population growth and industrial development Industrial development brought naturalresources deterioration more manufacturing products and more environmental pollutants If pollutantwon t be controlled human being and wildlife will face the critical risks Significant release and criticalsituation is resulted having higher pressure on managers planning pollutants reduction As today theconsequences of SO2 and NOx have been proved enough the dispersion of these pollutants will beuseful to plan for minimizing the release and meeting the legislative requirements AERMOD viewTM issoftware which has been confirmed by United States Environmental Protection Agency USEPA andit sets in class of preferred and recommended models In this study we simulated the dispersion ofemission of CO SO2 and NOx from 8 stacks of Esfahan Petrochemical Plant The AERMOD view version 8 2 0 were used to do the simulations for 1hour 8 hours 24 hours monthly and annual scales In addition we compared the standards of Iranian Department of Environment The results showed thatthe highest concentration simulated in study area was higher than the standards 10 g m3 for most ofthe months of the year but the same concentration for SO2 and NOx were marginal and lower than thestandards The simulated maps indicated that the studied air pollutants dispersed along the south south west and west As the maps shows the effects of wind directions is strong and topography affectedsignificantly We conclude that although the residential area of cities Isfahan shahin shahr Khoeinishahr and Najafabad exposed to not high concentration of the studied gases but a huge area of thesecities are affecting regularly Therefore the longterm social and health impacts of the exposure to thegases will be significant Keyword Air Pollution Modeling Esfahan Petrochemical Plant AERMOD Carbon monoxide Sulfurdioxide Nitrous oxides

حسين مرادي، عليرضا سفيانيان

نوراله ميرغفاري، سعيد پورمنافي