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Synthesis of Anionic Hydrogels for Uranyl Ion Adsorption

Yıl 2017, , 770 - 780, 08.12.2017

Yasemin Işıkver

https://doi.org/10.17776/csj.345147
Cited By: 5

Öz

In
this study, the anionic hydrogels were prepared in existence of crosslinker (N,
N’-methylenebisacrylamide) by free radical addition reaction in aqueous
solutions of neutral acrylamide and 2-hydoxyethyl methacrylate monomers and anionic comonomers such as mesaconic acid with 2 carboxyl groups or aconitic acid with
3 carboxyl groups.

Hydrogels
were characterized by FT-IR and DSC analysis. The effects of temperature, pH,
adsorbent mass and concentration on uranyl ion adsorption onto the anionic
hydrogels were investigated.

It
was determined that adsorption of UO22+ ions to prepared
hydrogels did not change with temperature and increased with increasing pH.

The
adsorption of uranyl ion from
aqueous solutions onto the anionic hydrogels was evaluated by applying
Giles, Langmuir and Temkin isotherms to experimental results.

According
to the Giles adsorption isotherms classification of hydrogels UO22+ ions adsorption prepared from adsorption isotherms
formed, L type was determined and Langmuir parameters were calculated.











It
was determined that adsorption of UO22+ ions to hydrogels
prepared from RL values calculated for 1000 mg L-1UO22+ ion concentration is favorable.

Anahtar Kelimeler

Acrylamide Hydroxyethyl methacrylate Mesaconic acid Aconitic acid Uranyl ion Adsorption

Kaynakça

  • [1]. Anirudhan T.S., Tharun A.R. Preparation and adsorption properties of a novel interpenetrating polymer network (IPN) containing carboxyl groups for basic dye from aqueous media Chemical Engineering Journal 2012; 181– 182: 761-769.
  • [2]. Baybaş D., Ulusoy U. Polyacrylamide–clinoptilolite/Y-zeolite composites: Characterization and adsorptive features for terbium Journal of Hazardous Materials 2011; 187: 241-249.
  • [3]. Doğan M., Alkan M. Removal of methyl violet from aqueous solution by perlite, Journal of Colloid and Interface Science 2003; 267: 32-41.
  • [4]. Işikver Y., Saraydın D., Şahiner N. Uranyl ion binding properties of poly(hydroxamic acid) hydrogels Polymer Bulletin 2001; 47: 81-89.
  • [5]. Karadag E., Saraydin D., Işikver Y. Swelling characterization of polyelectrolyte poly (hydroxamic acid) hydrogels in aqueous thiazin dye solutions Polym.-Plas. Techn. and Eng. 2006; 45: 729-734.
  • [6]. Işikver Y., Ecevit T. Preparation and characterization of nicotine‐selective hydrogels Polym. Eng. Sci. 2016; 56: 1004-1011.
  • [7]. Uzüm Ö. B., Kundakci S., Karadag E. Uranyl Ion Uptake from Aqueous Solutions by Chemically Cross-linked Polyelectrolyte CAMA Hydrogels Polymer-Plastics Technology and Engineering 2007; 46: 775-780.
  • [8]. Işikver Y., Saraydin D. Environmentally sensitive hydrogels: N‐isopropyl acrylamide/Acrylamide/Mono‐, Di‐, Tricarboxylic acid crosslinked polymers Polym. Eng. Sci. 2015; 55: 843-851.
  • [9]. Skoog D. A, Leary J. J. Principles of Instrumental Analysis, Fort Worth, Tex.: Saunders College Pub., 1992.
  • [10]. Perova T.S., Vij J.K., Xu H. Fourier transform infrared study of poly (2-hydroxyethyl methacrylate) PHEMA Colloid Polym. Sci. 1997; 275: 323-332.
  • [11]. Karadag E., Saraydin D., Güven O. Radiation induced superabsorbent hydrogels. Acrylamide/itaconic acid copolymers Macromol. Mater. Eng. 2001; 286: 34-42.
  • [12]. Çaykara T., Özyürek C., Kantoğlu Ö., Erdoğan B. Thermal behavior of poly(2- hydroxyethyl methacrylate-maleic acid) Networks Polym. Degrad. Stab. 2003; 80: 339-343.
  • [13]. Saraydin D., Karadag E., Caldiran Y., Güven O. Nicotine–selective radiation–induced poly (acrylamide/maleic acid) hydrogels, Radiat. Phys. and Chem. 2001; 60: 203-210.
  • [14]. Roorda W. E., Bouwstra J. A., de Vries M. A., Junjinger H. E. Thermal Behavior of Poly Hydroxy Ethyl Methacrylate (pHEMA) Hydrogels Pharm. Res. 1988; 5: 722-725.
  • [15]. Pena E. D., Garrido I. Q., Rienda J.M. On water swelling behavior of poly(N-isopropylacrylamide) [P(N-iPAAm)], poly(methacrylic acid) [P(MAA)], their random copolymers and sequential interpenetrating polymer network (IPNs) Polymer 2002; 43: 4341-4348.
  • [16]. Peppas L. B., Peppas N. A. Equilibrium swelling behavior of pH-sensitive hydrogels Chemical Engineering Science 1991; 46: 715-722.
  • [17]. Yoo M. K., Sung Y. K., Lee Y. M., Cho C. S. Effect of polyelectrolyte on the lower critical solution temperature of poly(N-isopropyl acrylamide) in the poly(NIPAAm-co-acrylic acid) hydrogel Polymer 2000; 41: 5713-5719.
  • [18]. Giles C. H.; MacEwan T. H.; Nakhwa S. N.; Smith D. J. Studies in adsorption. Part XI. A system of classification of solution adsorption isotherms, and its use in diagnosis of adsorption mechanisms and in measurement of specific surface areas of solids Chem. Soc. 1960; 3973-3993.
  • [19]. Yabo W., Yi X., Yongkui Z., Siyang T., Chencen G.,Jiansheng W., Raymond L. Anionic and cationic dyes adsorption on porouspoly-melamine-formaldehyde polymer Chemical Engineering Research and Design 2016; 114: 258–267.
  • [20]. Nechifor G., Pascu D. E., Pascu M., Traistaru G. A., Albu P. C. Comparative study of Temkin and Flory- Huggins isotherms for adsorption of phosphate anion on membranes U.P.B. Sci. Bull. Series B 2015; 77: 63-72.
  • [21]. Salem M. A., Elsharkawy R. G., Hablas M. F. Adsorption of brilliant green dye by polyaniline/silver nanocomposite: Kinetic, equilibrium, and thermodynamic studies European Polymer Journal 2016; 755: 77-590.
  • [22]. Marwa F., Elkady M. F., El-Aassar M. R., Hassan H. S. Adsorption Profile of Basic Dye onto Novel Fabricated Carboxylated Functionalized Co-Polymer Nanofibers Polymers 2016; 8: 177-190.
  • [23]. Saraydin D., Solpan D., Işıkver Y., Ekici S., Güven O. Radiation crosslinked poly (acrylamide/2-hydroxypropyl methacrylate/maleic acid) and their usability in the uptake of uranium Journal of Macromolecular Science, Part A 2002; 39: 969-990.
  • [24]. Karadağ E., Kundakcı S. Uranyl Ion Uptake Properties of Highly Swollen AAm/SA/GEL/PVA Semi IPNs as Novel Biosorbent Polymer-Plastics Technology and Engineering 2015; 55: 15-24.

Uranil iyonu Adsorpsiyonu için Anyonik Hidrojellerin Sentezi

Yıl 2017, , 770 - 780, 08.12.2017

Yasemin Işıkver

https://doi.org/10.17776/csj.345147
Cited By: 5

Öz

Bu çalışmada, anyonik hidrojeller, akrilamid ve
2-hidroksietil metakrilat gibi nötral, 2 karboksil grubu içeren mesakonik asit
ya da 3 karboksil grubu içeren akonitik asit gibi anyonik komonomerler ile
çapraz bağlayıcı (N, N’-metilenbisakrilamid) varlığında sulu çözeltide radikalik
katılma tepkimesiyle hazırlanmıştır.

Hidrojellerin FT-IR ile yapısal, DSC analizi ile
ısısal analizleri yapılmıştır. Anyonik hidrojellere UO22+
iyonu adsorpsiyonuna sıcaklık, pH, adsorban kütlesi ve derişim etkileri
araştırılmıştır.

Hazırlanan hidrojellere UO22+
iyonlarının adsorpsiyonunun sıcaklık ile değişmediği ve artan pH ile arttığı
belirlenmiştir.

Anyonik hidrojellere sulu çözeltilerden UO22+
iyonu adsorpsiyonu, Giles, Langmuir ve Temkin izotermlerinin deneysel sonuçlara
uygulanmasıyla değerlendirilmiştir.

Oluşturulan adsorpsiyon izotermlerindan hazırlanan
hidrojellere UO22+ iyonu adsorpsiyonunun Giles
adsorpsiyon izotermleri sınıflamasına göre L tipi olduğu belirlenmiş ve
Langmuir parametreleri hesaplanmıştır.











1000 mg L-1 UO22+
iyonu derişimi için hesaplanan RL değerlerinden hazırlanan
hidrojellere UO22+ iyonlarının adsorpsiyonunun elverişli
olduğu belirlenmiştir.

Anahtar Kelimeler

Akrilamid 2-Hidroksietil metakrilat Mesakonik asit Akonitik asit Uranil iyonu Adsorpsiyon

Kaynakça

  • [1]. Anirudhan T.S., Tharun A.R. Preparation and adsorption properties of a novel interpenetrating polymer network (IPN) containing carboxyl groups for basic dye from aqueous media Chemical Engineering Journal 2012; 181– 182: 761-769.
  • [2]. Baybaş D., Ulusoy U. Polyacrylamide–clinoptilolite/Y-zeolite composites: Characterization and adsorptive features for terbium Journal of Hazardous Materials 2011; 187: 241-249.
  • [3]. Doğan M., Alkan M. Removal of methyl violet from aqueous solution by perlite, Journal of Colloid and Interface Science 2003; 267: 32-41.
  • [4]. Işikver Y., Saraydın D., Şahiner N. Uranyl ion binding properties of poly(hydroxamic acid) hydrogels Polymer Bulletin 2001; 47: 81-89.
  • [5]. Karadag E., Saraydin D., Işikver Y. Swelling characterization of polyelectrolyte poly (hydroxamic acid) hydrogels in aqueous thiazin dye solutions Polym.-Plas. Techn. and Eng. 2006; 45: 729-734.
  • [6]. Işikver Y., Ecevit T. Preparation and characterization of nicotine‐selective hydrogels Polym. Eng. Sci. 2016; 56: 1004-1011.
  • [7]. Uzüm Ö. B., Kundakci S., Karadag E. Uranyl Ion Uptake from Aqueous Solutions by Chemically Cross-linked Polyelectrolyte CAMA Hydrogels Polymer-Plastics Technology and Engineering 2007; 46: 775-780.
  • [8]. Işikver Y., Saraydin D. Environmentally sensitive hydrogels: N‐isopropyl acrylamide/Acrylamide/Mono‐, Di‐, Tricarboxylic acid crosslinked polymers Polym. Eng. Sci. 2015; 55: 843-851.
  • [9]. Skoog D. A, Leary J. J. Principles of Instrumental Analysis, Fort Worth, Tex.: Saunders College Pub., 1992.
  • [10]. Perova T.S., Vij J.K., Xu H. Fourier transform infrared study of poly (2-hydroxyethyl methacrylate) PHEMA Colloid Polym. Sci. 1997; 275: 323-332.
  • [11]. Karadag E., Saraydin D., Güven O. Radiation induced superabsorbent hydrogels. Acrylamide/itaconic acid copolymers Macromol. Mater. Eng. 2001; 286: 34-42.
  • [12]. Çaykara T., Özyürek C., Kantoğlu Ö., Erdoğan B. Thermal behavior of poly(2- hydroxyethyl methacrylate-maleic acid) Networks Polym. Degrad. Stab. 2003; 80: 339-343.
  • [13]. Saraydin D., Karadag E., Caldiran Y., Güven O. Nicotine–selective radiation–induced poly (acrylamide/maleic acid) hydrogels, Radiat. Phys. and Chem. 2001; 60: 203-210.
  • [14]. Roorda W. E., Bouwstra J. A., de Vries M. A., Junjinger H. E. Thermal Behavior of Poly Hydroxy Ethyl Methacrylate (pHEMA) Hydrogels Pharm. Res. 1988; 5: 722-725.
  • [15]. Pena E. D., Garrido I. Q., Rienda J.M. On water swelling behavior of poly(N-isopropylacrylamide) [P(N-iPAAm)], poly(methacrylic acid) [P(MAA)], their random copolymers and sequential interpenetrating polymer network (IPNs) Polymer 2002; 43: 4341-4348.
  • [16]. Peppas L. B., Peppas N. A. Equilibrium swelling behavior of pH-sensitive hydrogels Chemical Engineering Science 1991; 46: 715-722.
  • [17]. Yoo M. K., Sung Y. K., Lee Y. M., Cho C. S. Effect of polyelectrolyte on the lower critical solution temperature of poly(N-isopropyl acrylamide) in the poly(NIPAAm-co-acrylic acid) hydrogel Polymer 2000; 41: 5713-5719.
  • [18]. Giles C. H.; MacEwan T. H.; Nakhwa S. N.; Smith D. J. Studies in adsorption. Part XI. A system of classification of solution adsorption isotherms, and its use in diagnosis of adsorption mechanisms and in measurement of specific surface areas of solids Chem. Soc. 1960; 3973-3993.
  • [19]. Yabo W., Yi X., Yongkui Z., Siyang T., Chencen G.,Jiansheng W., Raymond L. Anionic and cationic dyes adsorption on porouspoly-melamine-formaldehyde polymer Chemical Engineering Research and Design 2016; 114: 258–267.
  • [20]. Nechifor G., Pascu D. E., Pascu M., Traistaru G. A., Albu P. C. Comparative study of Temkin and Flory- Huggins isotherms for adsorption of phosphate anion on membranes U.P.B. Sci. Bull. Series B 2015; 77: 63-72.
  • [21]. Salem M. A., Elsharkawy R. G., Hablas M. F. Adsorption of brilliant green dye by polyaniline/silver nanocomposite: Kinetic, equilibrium, and thermodynamic studies European Polymer Journal 2016; 755: 77-590.
  • [22]. Marwa F., Elkady M. F., El-Aassar M. R., Hassan H. S. Adsorption Profile of Basic Dye onto Novel Fabricated Carboxylated Functionalized Co-Polymer Nanofibers Polymers 2016; 8: 177-190.
  • [23]. Saraydin D., Solpan D., Işıkver Y., Ekici S., Güven O. Radiation crosslinked poly (acrylamide/2-hydroxypropyl methacrylate/maleic acid) and their usability in the uptake of uranium Journal of Macromolecular Science, Part A 2002; 39: 969-990.
  • [24]. Karadağ E., Kundakcı S. Uranyl Ion Uptake Properties of Highly Swollen AAm/SA/GEL/PVA Semi IPNs as Novel Biosorbent Polymer-Plastics Technology and Engineering 2015; 55: 15-24.
Toplam 24 adet kaynakça vardır.

Ayrıntılar

Bölüm Natural Sciences
Yazarlar

Yasemin Işıkver

Yayımlanma Tarihi 8 Aralık 2017
Gönderilme Tarihi 13 Ocak 2017
Kabul Tarihi 7 Haziran 2017
Yayımlandığı Sayı Yıl 2017

Kaynak Göster

APA Işıkver, Y. (2017). Synthesis of Anionic Hydrogels for Uranyl Ion Adsorption. Cumhuriyet Science Journal, 38(4), 770-780. https://doi.org/10.17776/csj.345147

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