نانوجاذب جدید GH-92 با استفاده از اسفنج‌های خلیج فارس برای جداسازی سرب و کادمیم

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استاد، دانشکده علوم و فنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال

2 دانشجوی کارشناسی ارشد شیمی دریا، دانشکده علوم وفنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال

3 استادیار، دانشکده علوم وفنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال

چکیده

حذف آلاینده‌ها در اکوسیستم‌های آبی به‌ویژه آب‌های آشامیدنی، همواره مورد نظر پژوهشگران بوده است. در دهه‌های اخیر، از ترکیبات طبیعی به‌عنوان جاذب در حذف آلاینده‌ها به‌فراوانی استفاده شده است. پژوهش‌های مختلف انجام گرفته در دنیا، نشان داده است که یکی از روش‌های مؤثر در زمینه حذف آلاینده‌ها، فناوری نانو است. در این پژوهش، برای اولین بار در دنیا از یک گونه از اسفنج‌های بومی خلیج فارس متعلق به رده دموسپونژیا که دارای حفره‌های نانو است برای حذف یون‌های کلسیم، منیزیم، کبالت، کادمیم و سرب از آب استفاده شد. میزان جذب در دانه‌بندی‌های مختلف اسفنج، زمان تماس و میزان pH بررسی شد. نتایج نشان داد که این نوع اسفنج قادر است مقادیر مختلفی از یون‌های یاد شده را جذب نماید. میزان جذب یون‌های کلسیم، منیزیم و کبالت توسط این نوع اسفنج بسیار ناچیز بود و بیشترین ظرفیت جذب مربوط به یون کادمیم در محدوده pH برابر 5 و غلظت 5 میلی‌گرم در لیتر، برابر 37/2 میلی‌گرم بر گرم و یون سرب در محدوده pH برابر 5/4 تا 5 و غلظت 300 میلی‌گرم در لیترو اندازه ذرات با دانه‌بندی230 مش با ظرفیت جذب 19/79 میلی‌گرم، به‌ازای هر گرم جاذب به‌دست آمد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

A Novel GH-92 Nano-Adsorbent Using the Sponge from the Persian Gulf for Lead and Cadmium Removal

نویسندگان [English]

  • Hossein Ghafourian 1
  • Ensiye Khodadad Hosseini 2
  • Mohammad Rabbani 3
1 . Prof. of Chemistry, Faculty of Marine Sciences and Technology, Islamic Azad University, North Tehran Branch, Tehran
2 MSc Student of Marine Chemistry, Faculty of Marine Sciences and Technology, Islamic Azad University, North Tehran Branch, Tehran
3 Assist. Prof. of Chemistry, Faculty of Marine Sciences and Technology, Islamic Azad University, North Tehran Branch, Tehran
چکیده [English]

Removing pollutants from aquatic ecosystems, especially from drinking water, has always been a major concern for scientists. Recent decades have witnessed the widespread application of natural compounds used as adsorbents to remove various pollutants. On the other hand, studies have proved nanotechnology to be an effective way of removing pollutants. A new type of sponge belonging to the family Demospongiae that has nano holes and is native to the Persian Gulf was investigated for the first time in the present study for use as an adsorbent to remove calcium, magnesium, cobalt, cadmium, and lead ions from water. For this purpose, adbsorption in sponges of different aggregate sizes, contact time, particle size, and ambient pH were measured. The results showed that the proposed sponge is capable of adsorbing the above-mentioned metal ions to various degrees. While small amounts of calcium, magnesium, and cobalt were adsorbed by this sponge, cadmium recorded a higher adsorption of 2.37 mg/g at pH=5. The highest adsorption level of 79.19 mg per gram of adsorbent was recorded for lead at a pH range of 4.5-5 with a mesh size of 230. This is the highest adsorption ever recorded for lead in the literature on selective separation of lead from the other ions.

کلیدواژه‌ها [English]

  • sponge
  • Nano-adsorbent
  • the Persian Gulf
  • heavy metals
  • Scanning electron microscopy
  1. Mozafarian, K., Madaeni, S., and Khoshnodie, M. (2006). “Evaluating the performance of reverse osmosis in Arsenic removal from water.” J. of Water and Wastewater, 60, 22-28. (In Persian)
  2. Mosaferi, M., and Mesdaghinia, M. (2005). “Removal of Arsenic from drinking water using modified Activated Alumina.” J. of Water and Wastewater, 55, 2-14. (In Persian)
  3. Larson, V.J., and Schierup, H.H. (1981). “The use of straw for removal of heavy metals from wastewater.”
    J. of Environ. Qual., 10(2), 188-193.
  4. Cesar, R.T.T., Sergio, L.C.F., and Marco, A.Z. (2004). “Use of modified rice husks as a natural solid adsorbent of trace metals: Characterization and development of an on-line pre concentration system for cadmium and lead determination by FAAS.” J. of Micro. Chem., 77, 163-175.
  5. Shamohammadi, Z., Mazed, H., Jaafarzadeh, N., and Haghighat Jou, P. (2008). “Removal of low concentrations of cadmium from water using improved rice husk.” J. of Water and Wastewater,
    67, 27-33. (In Persian)
  6. Bhattacharya, A.K., Naiya, T.K., Mandel, S.N., and Das, S.K. (2008). “Adsorption, kinetics and equilibrium studies on removal of Cr (VI) from  aqueous solutions using different low-cost adsorbents.” J. of Chem. Eng., 137, (3), 529-541.
  7. Cetin, S., and Pehliean, E. (2007). “The use of fly ash as a low cost, environmentally friendly alternative to activated carbon for the removal of heavy metals from aqueous solutions.” J. of Colloid Surface,
     298(1-2), 87.
  8. Cay, S., Uyanik, A., and Ozasik, A. (2004). “Single and binary component adsorption of copper from aqueous solution using tea- industry waste.” J. of Sep. Purif. Technol., 38(3), 237-280.
  9. Namasivaym, C., Kumar, M.D., and Begum, R.A. (2001). “Waste coir pith-a potential biomass for the treatment of dyeing wastewaters.” J. of Biomass Bioenerg, 21(6), 477-483.
  10. Annadurai, G., Juang, R.S., and Lee, D.J. (2002). “Use of cellulose-based wastes for adsorption of dyes from aqueous solutions.” J. of Hazard Matar., 92(3), 263-274.
  11. Batzia , F.A. (2004). “Dye adsorption by calcium-chloride treated beech sawdust   in batch and fixed- bed system.” J. of Water Res., 38(13), 2967-2972.
  12. Ozacar, M., Sidiras, D.K., and Sengil, I.A. (2005). “Adsorption of metal complex dyes from  aqueous solutions by pine sawdust.” J. of Bioresour. Technol., 96(7), 791-795.
  13. Seader, J.D., and Henly, E.J. (2006). Separation process principles, 2nd Ed., John Wiley and Sons,
    New York.
  14. Odoemelam, S.A., and Eddy, N.O. (2009). “Studies on the use of oyster snail and periwinkle shells as adsorbents for the removal of Pb2+ from aqueous solution.” J. of Chemistry, 6(1), 213-222
  15. Saeedi, M., Jamshidi, A., Abessi, O., and Bayat, J. (2009). “Removal of dissolved cadmium by adsorption onto walnut and almond shall Charcoal: comparison with granular activated carbon (GAC).” J. of Water and Wastewater, 70, 16-22. (In Persian)
  16. Zavvar Mousavi, S., and Arjmandi, A. (2009). “Removal of heavy metals industrial wastewater by sheep gut waste.” J. of Water and Wastewater, 73, 63-68. (In Persian)
  17. Maleki, A. (2011). “Potential of acid modified Zeolite for Cadmium adsorption in aqueous environment.”
    J. of Mazandaran University Med Science, 22(86), 74-84. (In Persian)
  18. Ekhlasi, L., Younesi, H., Mehraban, Z., and Bahramifar, N. (2011). “Synthesis and application of chitosan of lead ions from aqueous solutions.” J. of Water and Wastewater, 85, 10-18. (In Persian)
  19. Heidari, A., Younesi, H., and Mehraban, Z. (2009). “Removal of Cd (II), Ni (II) and Pb (II) ions in an aqueous Solution by chemically modified nano-porous” J. of Water and Wastewater, 73, 25-32. (In Persian)
  20. Bhimba, V., Vinod, V., and Beulah, C. (2013). “Marine sponge sigmadocia pumila a potential supply for drug findings.” J. of Pharmacy Research, 6(4), 401-403.
  21. Lunder, M., Drevensek, G., Hawlina, S., Sepcic, K., and Ziberna, L. (2012). “Cardiovascular effects induced by polymeric 3-alkylpyridinium salts from the marine sponge Reniera sarai.” J. of Toxicon, 60(6),
    1041-1048.
  22. Senthilkumar, K., Venkatesan, J., Manivasagan, P., and Se-Kwon, K. (2013). “Antiangiogenic effects of marine sponge derived compounds on cancer.” J. of Environmental Toxicology and Pharmacology, 36(3), 1097-1108.
  23. Batista, D., Tellini, K., Nudi, A.H., Massone, T.P., de, L., Scofield, A., de, L.R., and Wagener, A. (2013). “Marine sponges as bioindicators of oil and combustion derived PAH in coastal waters.” J. of Marine Environmental Research, 92, 224-234.
  24. Kotpal, R.L. (1998). Porifeva, Rastogi Pub. Meerut, India.
  25. Rajaei,Q., Hasanpour, M., and Mehdinejad, M.H. (2012). “Heavy metals concentration (Zinc, Lead, Chrome and Cadmium) in water and sediments of Gorgan Gulf and estuarine Gorganroud river.” Iran J. of Health System Research, 5, 748-756. (In Persian)
  26. Buasri, A., Chaiyut, N., Phattarasirichot, K., Yongbut, Ph., and Nammueng, L. (2008). “Use of natural clinoptilolite for the removal of lead (II) from wastewater in batch experiment.” J. of Chiang mai., 35(3), 447-456.