Effect of Modification of Titanium Phosphate by Hydrothermal, Microwave, and Mechanochemical Treatment on the Sorption of Cs, Sr, and U(VI) Ions

2019 ◽  
Vol 55 (4) ◽  
pp. 280-286 ◽  
Author(s):  
O. I. Zakutevskyy ◽  
S. V. Khalameida ◽  
V. V. Sydorchuk ◽  
T. A. Shaposhnikova
Keyword(s):  
Titanium Phosphate ◽  
Mechanochemical Treatment ◽  
Modification Of Titanium

Structural and Proton Conductivity Studies of Fibrous π-Ti2O(PO4)2·2H2O: Application in Chitosan-Based Composite Membranes

2021 ◽  
Author(s):  
Artem A. Babaryk ◽  
Alaa Adawy ◽  
Inés García ◽  
Camino Trobajo ◽  
Zakariae Amghouz ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Proton Conductivity ◽  
Composite Membranes ◽  
Titanium Phosphate ◽  
Polymorphic Modification ◽  
Modification Of Titanium

Although the fibrous polymorphic modification of titanium phosphate, π-Ti2O(PO4)2·2H2O (π-TiP) is known for decades, its crystal structure has remained unsolved. Herewith we report the crystal structure of π-TiP at a...

scholarly journals Modification of titanium phosphate precipitated from titanylsulfate

2018 ◽  
Vol 135 (6) ◽  
pp. 2925-2934 ◽  
Author(s):  
W. Janusz ◽  
S. Khalameida ◽  
E. Skwarek ◽  
J. Skubiszewska-Zięba ◽  
V. Sydorchuk ◽  
...  
Keyword(s):  
Titanium Phosphate ◽  
Modification Of Titanium

Green synthesized Ag-TiO2 for degradation of organic dye through visible light driven photo-reactor and its kinetics

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Titikshya Mohapatra ◽  
Sakshi Manekar ◽  
Vijyendra Kumar Sahu ◽  
Ashwini Kumar Soni ◽  
Sudip Banerjee ◽  
...  
Keyword(s):  
Visible Light ◽  
Mangifera Indica ◽  
Band Gap Energy ◽  
Photo Degradation ◽  
X Ray ◽  
Green Approach ◽  
Vis Spectroscopy ◽  
Rate Of Reaction ◽  
Visible Light Driven ◽  
Modification Of Titanium

Abstract This study reports a green approach for the modification of titanium dioxide (TiO2) nanoparticles with immobilization of silver nanoparticles. One of the natural sources i.e., Mangifera indica leaf extract was utilized as reducing and capping agent for the fabrication of Ag-TiO2 nanocatalyst. Further, the surface morphology and band-gap energy of prepared Ag-TiO2 were analyzed by Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDS) and UV–Vis spectroscopy. Also, it was characterized by X-ray Powder Diffraction (XRD) which provides the information regarding the crystallinity of the Ag-TiO2. Subsequently, photo activity of Ag-TiO2 was investigated for the degradation of methylene blue (MB) dye wastewater through visible light driven photoreactor. The Ag-TiO2 provided highest (68%) of photo-degradation efficiency within 110 min for 7.81 × 10−5 mol/L initial MB concentration at pH 8 by using 0.19 g/L photocatalyst. Further, addition of 10 mM H2O2 boost up the MB photodegradation to 74%. The kinetic study confirmed the MB degradation followed first order rate of reaction.

Carbon-coated lithium titanium phosphate nanoporous microplates with superior electrochemical performance

2015 ◽  
Vol 294 ◽  
pp. 650-657 ◽  
Author(s):  
Zhifeng Huang ◽  
Li Liu ◽  
Qian Zhou ◽  
Jinli Tan ◽  
Zichao Yan ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Titanium Phosphate ◽  
Carbon Coated ◽  
Lithium Titanium

scholarly journals Mechanochemical treatment of Serbian kaolin clay to obtain high reactive pozzolana

2013 ◽  
Vol 78 (4) ◽  
pp. 579-590 ◽  
Author(s):  
Aleksandra Mitrovic ◽  
Miodrag Zdujic
Keyword(s):  
Hardened Steel ◽  
Pozzolanic Activity ◽  
Mechanochemical Treatment ◽  
Kaolin Clay ◽  
X Ray Diffraction ◽  
Scanning Calorimetry ◽  
X Ray ◽  
Milling Parameters ◽  
Milling Medium ◽  
The Given

Mechanochemical treatment of Serbian kaolin clay was carried out in a planetary ball mill using two different milling media, hardened steel or zirconia vials and balls. The samples obtained with various milling times were characterized by the particle size laser diffraction (PSLD), X-ray diffraction (XRD), differential scanning calorimetry/thermogravimetry (DTA/TGA) and Fourier-transform infrared (FTIR) analyses. Mechanochemical treatment induced amorphization of the kaolinite phase accompanied by dehydroxylation. It was found that for the given milling parameters, amorphization mainly took place in the milling period up to 15 min, and was completed after about 30 min of milling for both milling media used. The pozzolanic activities were determined by the Chapelle method. Milling in the hardened steel milling medium had no significant influence on pozzolanic activity, even though there was accumulated iron contamination. For both milling media, pozzolanic activity of 0.79 was obtained for the samples milled for 15 min and it remained almost unchanged with prolonged milling. The determined pozzolanic activity values are close to these of commercial metakaolinite or metakaolinite obtained by the calcination of the same clay, therefore, indicating possibility for obtaining high reactive pozzolana by mechanochemical treatment of Serbian kaoline clay.

Sign in / Sign up

Export Citation Format

Share Document