سنتز آهن صفر ظرفیتی بارگذاری شده بر روی نانولوله‌های کربنی و بررسی کارآیی آن در حذف یک آلاینده رنگزا
الموضوعات :
زهره قاضی طباطبایی
1
(استادیار گروه شیمی، واحد اهر، دانشگاه آزاد اسلامی ، اهر، ایران )
الکلمات المفتاحية: نانولوله‌های کربنی, روش باکس-بنکن, آهن صفر ظرفیتی, راکتیو نارنجی 122,
ملخص المقالة :
در این مطالعه آهن صفر ظرفیتی بارگذاری شده بر روی نانولوله‌های کربنی به عنوان یک نانوجاذب سنتز شد و مورفولوژی آن با میکروسکوپ الکترونی روبشی (SEM) مورد بررسی قرار گرفت. کارایی نانوجاذب برای رنگ‌زدائی و حذف آلاینده رنگ راکتیو نارنجی 122 مورد بررسی قرار گرفت. بهینه‌سازی متغیرهای عملیاتی مانند مقدار نانوجاذب، غلظت اولیه رنگ و pH به روش طراحی آزمایش بر پایه سطح پاسخ و روش باکس-بنکن انجام شد. حداکثر راندمان حذف در شرایط بهینه %86/16 بدست آمد. با استفاده از روش تحلیل واریانس موثرترین پارامتر شناسایی گردید. برای پیش‌بینی میزان حذف، مدلی با استفاده از آنالیز رگرسیون چند متغیره ارائه گردید.
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