SELECTIVE REMOVAL OF MERCURY(II) USING HYDROGELS PREPARED BY GAMMA RADIATION

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SARAYDIN D., Yıldırım E. Ş., Karadağ E.

Chemistry and Chemical Technology, cilt.16, sa.3, ss.345-358, 2022 (ESCI) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 16 Sayı: 3
  • Basım Tarihi: 2022
  • Doi Numarası: 10.23939/chcht16.03.345
  • Dergi Adı: Chemistry and Chemical Technology
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI), Scopus
  • Sayfa Sayıları: ss.345-358
  • Anahtar Kelimeler: mercury, 2-hydroxyethyl methacrylate, acrylamide, hydrogel, radiation, adsorption
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

© Saraydın, D.; Şahin Yıldırım, E.; Karadağ, E., 2022.To selectively remove mercury(II), 2-hydroxy-ethyl methacrylate (HM) and 2-hydroxyethyl methacry-late/acrylamide (HM/ACR) hydrogels were synthesized using radiation. These hydrogels were used in swelling, diffusion, and binding studies. Swelling parameters for HM/ACR−Hg2+ system are higher than those of HM−Hg2+ systems. Binding of Hg2+ has been observed to be C-type for HM and L-type for HM/ACR hydrogels. Binding parameters were calculated using Freundlich, Langmuir and Henry models. Effects of Hg2+ concent-ration, radiation dose, ACR ratio, temperature, counter ions were investigated. Binding and swelling of HM increased with the incorporation of acrylamide. HM/ACR hydrogels absorbed only Hg2+, and did not absorb heavy metal ions.