Removal of three phenolic compounds[polychlorinated biphenyl (PCB 105, PCB 118 &PCB 150)] from aqueous solutions by fiber palm as a biosorbent

  • سال انتشار: 1397
  • محل انتشار: کنگره توسعه همکاری های علمی منطقه ای علوم صنایع غذایی و کشاورزی
  • کد COI اختصاصی: CFAS01_249
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 242
دانلود فایل این مقاله

نویسندگان

Mohammed T. Khathi

Chemistry Department, Collage of Science, Thi Qar University, Iraq

Athraa Hameed Mekky

Ahmed abass saheb

چکیده

The aim of this work is to determine the potential of application of palm fiber as a biosorbent for removing of three phenolic compounds[polychlorinated biphenyl (PCB)] (2,3,3 ,4,4 -Pentachlorobiphenyl PCB 105, 2,3 ,4,4 ,5- Pentachlorobiphenyl; PCB 118, and 2,2 ,3,4 ,6,6 -Hexachlorobiphenyl; PCB-150 from aqueous solutions. The effect of pH , adsorbent dosage and contact time were investigated. Increase in the pH to neutrality resulted in the increase in the phenolic compounds adsorption capacity. The results showed that the increase in the fiber palm dosage to 0.5g/0.1L significantly increased the phenolic compounds adsorption rates. The adsorption process was fast, and it reached equilibrium in 30 min. contact time. The Freundlich and Langmuir adsorption models were used for mathematical description of the adsorption equilibrium and it was found that experimental data fitted very well to both Freundlich and Langmuir models. These results indicate clearly the efficiency of fiber as a low-cost solution for these compounds in aqueous solutions treatment and give some preliminary elements for the comprehension of the interactions between palm fiber as a bioadsorbent and the very polluting compounds from aqueous solutions.

کلیدواژه ها

Freundlich, Langmuir, palm fiber and phenolic compounds

اطلاعات بیشتر در مورد COI

COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.

کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.