Fluoride ion removal from aqueous solution, groundwater, and seawater by granular and powdered Conocarpus erectus biochar

2017 ◽  
Vol 65 ◽  
pp. 375-386 ◽  
Author(s):  
Fatemeh Papari ◽  
Parham Rouhi Najafabadi ◽  
Bahman Ramavandi
Keyword(s):  
Aqueous Solution ◽  
Fluoride Ion ◽  
Ion Removal ◽  
Conocarpus Erectus

Preparation, characterization of organosmectites and fluoride ion removal

2013 ◽  
Vol 125 ◽  
pp. 10-17 ◽  
Author(s):  
S. Gammoudi ◽  
N. Frini-Srasra ◽  
E. Srasra
Keyword(s):  
Fluoride Ion ◽  
Ion Removal

Modeling for predicting copper ion removal from aqueous solution by the fluidized adsorption based on dimensional analysis

2019 ◽  
Vol 210 ◽  
pp. 988-994 ◽  
Author(s):  
Zhaolin Du ◽  
Huizhe Cao ◽  
Guodong Liu ◽  
Tong Zheng ◽  
Peng Wang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Dimensional Analysis ◽  
Copper Ion ◽  
Ion Removal

Sodium-Modified Vermiculite for Calcium Ion Removal from Aqueous Solution

2019 ◽  
Vol 58 (22) ◽  
pp. 9380-9389
Author(s):  
Roberto R. C. Lima ◽  
Paulo Douglas S. de Lima ◽  
Vitor Rodrigues Greati ◽  
Paulla B. F. de Sousa ◽  
Gabriel V. S. Medeiros
Keyword(s):  
Aqueous Solution ◽  
Calcium Ion ◽  
Ion Removal

scholarly journals SBA-16 Cage-Like Porous Material Modified with APTES as an Adsorbent for Pb2+ Ions Removal from Aqueous Solution

Materials ◽  
2020 ◽  
Vol 13 (4) ◽  
pp. 927 ◽  
Author(s):  
Viviana Palos-Barba ◽  
Abigail Moreno-Martell ◽  
Verónica Hernández-Morales ◽  
Carmen L. Peza-Ledesma ◽  
Eric M. Rivera-Muñoz ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Photoelectron Spectroscopy ◽  
Contact Time ◽  
Diffuse Reflectance Spectroscopy ◽  
Cell Structure ◽  
Textural Properties ◽  
Batch Adsorption ◽  
X Ray ◽  
Ion Removal ◽  
Transmission Electron

Tridimensional cubic mesoporous silica, SBA-16, functionalized with aminopropyl groups, were employed as adsorbents for Pb2+ ion removal from aqueous solution. The adsorption capacity was investigated for the effect of pH, contact time, temperature, and concentration of 3-aminopropyltriethoxysilane (APTES) employed for adsorbent functionalization. The textural properties and morphology of the adsorbents were evaluated by N2 physisorption, small-angle X-ray diffraction (XRD), diffuse reflectance spectroscopy (UV-vis), and transmission electron microscopy (TEM). The functionalization of the SBA-16 was evaluated by elemental analysis (N), thermogravimetric analysis (TG), Fourier transform infrared spectroscopy (FT-IR), and X-ray photoelectron spectroscopy (XPS). Batch adsorption studies show that the total Pb2+ ions removal was archived on adsorbent having an optimized amount of aminopropyl groups (2N-SBA-16). The maximum of Pb2+ ions removal occurred at optimized adsorption conditions: pH = 5–6, contact time 40 min, and at a low initial lead concentration in solution (200 mg L−1). Under the same adsorption conditions, the amino-functionalized SBA-16 with cubic 3D unit cell structure exhibited higher adsorption capability than its SBA-15 counterpart with uniform mesoporous channels.

Cu(II) ion removal from aqueous solution using different adsorbents

2015 ◽  
Vol 57 (21) ◽  
pp. 9789-9798 ◽  
Author(s):  
Garima Nagpal ◽  
A. Bhattacharya ◽  
N.B. Singh
Keyword(s):  
Aqueous Solution ◽  
Ion Removal
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