بررسی حذف یون‌های فلزات نیکل (2+) و کادمیوم (2+) از محیط آبی به وسیله جاذب پلی آکریل آمیدی

نوع مقاله: مقاله مروری

نویسندگان

1 دانشگاه آزاد اسلامی- واحد شیراز

2 دانشگاه آزاد اسلامی- واحدشیراز

چکیده

امروزه با گسترش صنایع شیمیایی، شاهد ورود فلزات سنگین به آبهای سطحی و فاضلاب‌ها هستیم که قطعا قرار گرفتن در معرض این فلزات با مسمومیت همراه است. در این پژوهش، جاذب پلیمری پلی آکریل آمید برای حذف هم­زمان فلزات نیکل و کادمیم در محیط آبی سنتز و اثر پارامترهای مختلف بر حذف هم­زمان این دو فلز بررسی شد. شرایط بهینه برای حذف هم­زمان در 86/4pH ، مقدار جاذب 016/0 گرم، مدت تماس 48/6 دقیقه و غلظت محلولهای نیکل و کادمیم به ترتیب 01/15 و 15 میلی گرم بر لیتر به دست آمد. همچنین درصد حذف در شرایط بهینه برای فلزات نیکل و کادمیم به ترتیب 5/84 و 03/81 تعیین شد. با توجه به نتایج این تحقیق، جاذب پلی آکریل آمید میتواند به عنوان جاذبی مؤثر در حذف هم­زمان فلزات نیکل و کادمیم از محلول‌های آبی استفاده شود.

کلیدواژه‌ها


 

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