Co(II) Adsorption onto Ferrous Chloride and Thermally Modified Diatomite: Surface Properties and Adsorption Mechanism

Eda Gökırmak Söğüt; Metin Çelebi

Makale detayları

Co(II) Adsorption onto Ferrous Chloride and Thermally Modified Diatomite: Surface Properties and Adsorption Mechanism

Yazarlar:

Eda Gökırmak Söğüt | Metin Çelebi

Yayıncı:

Bitlis Eren University

Ana Başlıklar:

Solution Chemistry

Dergi:

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi Vol.12 Issue 2, pp.307-319

Belge Tipi:

Makale

Yayın Tarihi:

6/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001292717

pISSN:

2147-3129

Anahtar kelimeler:

Özet:

 As a potential alternative for heavy metal removal, adsorption using various low-cost materials is one of the most effective methods. This study presents the efficiency of local diatomite modified by ferrous chloride and heat treatment in removing CoII from an aqueous solution. The samples were characterized by ICP, XRD, TG-DTA, FTIR, SEM, and BET analyses and the adsorption efficiency of the samples for CoII ions was investigated under different factors such as contact time and pH. The adsorption equilibrium was well described by the Langmuir isotherm model, with the maximum adsorption capacities of DA, DM, DM-550C and DM-850C at about 18.18 mg L-1, 28.65 mg L-1, 48.30 mg L-1, and 66.22 mg L-1, respectively. The kinetic data were best fitted to the pseudo-second-order model. In addition, ion exchange and electrostatic surface complexation were predicted to play dominant roles in the adsorption mechanism. The results showed that the selected modification methods were effective in removing heavy metals from aqueous solutions, making the samples potentially cost-effective adsorbents to remove the water pollution problem.

 As a potential alternative for heavy metal removal, adsorption using various low-cost materials is one of the most effective methods. This study presents the efficiency of local diatomite modified by ferrous chloride and heat treatment in removing CoII from an aqueous solution. The samples were characterized by ICP, XRD, TG-DTA, FTIR, SEM, and BET analyses and the adsorption efficiency of the samples for CoII ions was investigated under different factors such as contact time and pH. The adsorption equilibrium was well described by the Langmuir isotherm model, with the maximum adsorption capacities of DA, DM, DM-550C and DM-850C at about 18.18 mg L-1, 28.65 mg L-1, 48.30 mg L-1, and 66.22 mg L-1, respectively. The kinetic data were best fitted to the pseudo-second-order model. In addition, ion exchange and electrostatic surface complexation were predicted to play dominant roles in the adsorption mechanism. The results showed that the selected modification methods were effective in removing heavy metals from aqueous solutions, making the samples potentially cost-effective adsorbents to remove the water pollution problem.

 As a potential alternative for heavy metal removal, adsorption using various low-cost materials is one of the most effective methods. This study presents the efficiency of local diatomite modified by ferrous chloride and heat treatment in removing CoII from an aqueous solution. The samples were characterized by ICP, XRD, TG-DTA, FTIR, SEM, and BET analyses and the adsorption efficiency of the samples for CoII ions was investigated under different factors such as contact time and pH. The adsorption equilibrium was well described by the Langmuir isotherm model, with the maximum adsorption capacities of DA, DM, DM-550C and DM-850C at about 18.18 mg L-1, 28.65 mg L-1, 48.30 mg L-1, and 66.22 mg L-1, respectively. The kinetic data were best fitted to the pseudo-second-order model. In addition, ion exchange and electrostatic surface complexation were predicted to play dominant roles in the adsorption mechanism. The results showed that the selected modification methods were effective in removing heavy metals from aqueous solutions, making the samples potentially cost-effective adsorbents to remove the water pollution problem.

 As a potential alternative for heavy metal removal, adsorption using various low-cost materials is one of the most effective methods. This study presents the efficiency of local diatomite modified by ferrous chloride and heat treatment in removing CoII from an aqueous solution. The samples were characterized by ICP, XRD, TG-DTA, FTIR, SEM, and BET analyses and the adsorption efficiency of the samples for CoII ions was investigated under different factors such as contact time and pH. The adsorption equilibrium was well described by the Langmuir isotherm model, with the maximum adsorption capacities of DA, DM, DM-550C and DM-850C at about 18.18 mg L-1, 28.65 mg L-1, 48.30 mg L-1, and 66.22 mg L-1, respectively. The kinetic data were best fitted to the pseudo-second-order model. In addition, ion exchange and electrostatic surface complexation were predicted to play dominant roles in the adsorption mechanism. The results showed that the selected modification methods were effective in removing heavy metals from aqueous solutions, making the samples potentially cost-effective adsorbents to remove the water pollution problem.

Makale detayları

Co(II) Adsorption onto Ferrous Chloride and Thermally Modified Diatomite: Surface Properties and Adsorption Mechanism

Yazarlar:

Eda Gökırmak Söğüt | Metin Çelebi

Yayıncı:

Bitlis Eren University

Ana Başlıklar:

Solution Chemistry

Dergi:

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi Vol.12 Issue 2, pp.307-319

Belge Tipi:

Makale

Yayın Tarihi:

6/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001292717

pISSN:

2147-3129

Adsorption

Co (II)

Ferrous chloride

Isotherms

Mechanism

Thermal treatment

Sayı

Makale detayları

Co(II) Adsorption onto Ferrous Chloride and Thermally Modified Diatomite: Surface Properties and Adsorption Mechanism

Yazarlar: Eda Gökırmak Söğüt | Metin Çelebi

Yayıncı: Bitlis Eren University

Ana Başlıklar: Solution Chemistry

Dergi: Bitlis Eren Üniversitesi Fen Bilimleri Dergisi Vol.12 Issue 2, pp.307-319

Belge Tipi: Makale

Yayın Tarihi: 6/2023

Belge Dili: İngilizce

Document ID (Org No.): 2001292717

pISSN: 2147-3129

Adsorption

Co (II)

Ferrous chloride

Isotherms

Mechanism

Thermal treatment

Sayı

Yazarlar:

Eda Gökırmak Söğüt | Metin Çelebi

Yayıncı:

Bitlis Eren University

Ana Başlıklar:

Solution Chemistry

Dergi:

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi Vol.12 Issue 2, pp.307-319

Belge Tipi:

Makale

Yayın Tarihi:

6/2023

Belge Dili:

İngilizce

Document ID (Org No.):

2001292717

pISSN:

2147-3129