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


عنوان مقاله [English]

Investigation of Removing Ionic Metals of Ni(II) and Cd(II) from Aqueous Solution by a Polyacryl Amid Adsorbent

نویسندگان [English]

  • M. Abedpour 1
  • B. Kamyab Moghadas 2
1 Shiraz Branch, Islamic Azad University
2 , Shiraz Branch, Islamic Azad University
چکیده [English]

Today, with the expansion of the chemical industry, we see heavy metals enter the surface water and wastewater, which is certainly associated with toxic exposure. Therefore, in this study, a polyacrylamide polymer adsorbent was synthesized for simultaneous removal of nickel and cadmium in an aqueous medium, and the effect of different parameters on simultaneous removal of these two metals was investigated. The optimum conditions for simultaneous removal at pH 4.86, the adsorbent amount of 0.016 g, the contact time of 6.48 minutes and the concentration of nickel and cadmium solutions were 15.01 and 15 mg / l, respectively. The optimum removal rates for nickel and cadmium were 84.5% and 81.03%, respectively. According to the results of this study, polyacrylamide adsorbent can be used as an effective adsorbent in the simultaneous removal of nickel and cadmium from aqueous solutions.

کلیدواژه‌ها [English]

  • Adsorption
  • Polyacrylamide Adsorbent
  • Simultaneous Removal
  • Nickel (+2)
  • Cadmium (+2)

 

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