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بررسی غلظت عناصر سنگین در خاک و گیاهان اطراف مجتمع فولاد خوزستان | ||
تحقیقات آب و خاک ایران | ||
مقاله 8، دوره 50، شماره 3، مرداد 1398، صفحه 603-613 اصل مقاله (907.17 K) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22059/ijswr.2018.256290.667891 | ||
نویسندگان | ||
عقیل اخلاص پور1؛ بیژن خلیلی مقدم* 2؛ محسن سلیمانی3 | ||
1دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، دانشکده کشاورزی، گروه علوم و مهندسی خاک | ||
2عضو هیئت علمی دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، اهواز، ایران | ||
3هیات علمی گروه محیط زیست دانشکده منابع طبیعی دانشگاه صنعتی اصفهان، اصفهان، ایران | ||
چکیده | ||
هدف از این پژوهش، بررسی غلظت فلزات سنگین منتشر شده از مجتمع فولاد خوزستان، در خاک و گیاهان اطراف این منطقه میباشد. بدین منظور نمونهبرداری از برگ درختان، درختچهها و گیاه علفی و خاک محیط ریشه (ریزوسفر) آنها در جهت وزش باد غالب منطقه و عمود برآن در اطراف مجتمع فولاد انجام شد. نمونههای گیاه به دو دسته تقسیم و نیمی با آب مقطر و اسید هیدروکلریک شسته و نیمی دیگر بدون شستشو در نظر گرفته شدند. غلظت عناصر سنگین: آهن، مس، کادمیم، سرب و روی در خاک و نمونههای گیاهی با استفاده از دستگاه جذب اتمی اندازهگیری شد. نتایج نشان داد که در جهت وزش باد غالب، میزان غلظت عناصر سنگین در برگ گیاهان حدود 5/1 برابر غلظت عناصر در برگ گیاهان عمود بر جهت وزش باد بود. همچنین غلظت فلزات سنگین در نمونههای گیاهی شسته شده کمتر از نمونههای بدون شستشو بود که بیانگر نشست فلزات سنگین بر روی گیاهان از طریق ذرات معلق هوا است. با توجه به یافتههای این پژوهش میتوان نتیجه گرفت که مجتمع فولاد خوزستان به عنوان یکی از منابع انتشار فلزات سنگین در منطقه است که انتشار آلایندههای مذکور از طریق باد محیطزیست شهر اهواز را تهدید میکند. | ||
کلیدواژهها | ||
آلودگی؛ محیط زیست شهری؛ صنایع فولاد | ||
عنوان مقاله [English] | ||
Assessing Heavy Metal Concentration in the Soil and Plants of Surroundings Khuzestan Steel Factory | ||
نویسندگان [English] | ||
AGHIL EKHLASPOUR1؛ bijan khalili moghadam2؛ mohsen soleimani3 | ||
1Department of Soil Science, Ramin Agriculture and Natural Resources university of Khuzestan, Ahvaz, Iran. | ||
2Associate Prof., Department of Soil Science, Agricultural Sciences and Natural Resources university of Khuzestan, Ahvaz, Iran | ||
3Assistant Professor, Group of Environment, Department of Natural Resources, Isfahan University of Technology, Isfahan, Iran | ||
چکیده [English] | ||
The objective of this study was to investigate the concentration of heavy metals, dispersed from Khuzestan Steel factory, in the soil and various plants of surrounding area. For this purpose, the Leaves samples from trees, shrubs, grass and soil samples from their rhizospheres were collected in dominated and opposite wind direction from the factory. Plant samples were divided into two groups; of which one group was washed with distilled water and HCl and another was not washed. Heavy metal concentrations (Fe, Cu, Cd, Pb, Zn) were measured in plant and soil samplesby flame atomic absorption spectroscopy. Results showed that the heavy metals concentration in plants in wind direction is almost 1.5 times more than the opposite direction. Airborne metal deposition has occurred in this region because the heavy metal concentrations in unwashed samples were more than the ones in washed samples. Based on the results obtained from this study, it can be concluded that Khuzestan steel factory activity is one of the pollution sources in the proposed region which threated the environment of Ahvaz. | ||
کلیدواژهها [English] | ||
Pollution, urban environment, Steel Industries | ||
مراجع | ||
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