Temat: sodium titanate - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Experimental Analysis of Titanium Dioxide Synthesis from Synthetic Rutile Waste using a Moderate Acid Concentration and Temperature
Autorzy:: Ahmad Mukifza, H.
Awang, H.
Yusof, S.
Farid, E.
Powiązania:: https://bibliotekanauki.pl/articles/1031724.pdf
Data publikacji:: 2017-09
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: synthetic rutile
titanium dioxide
caustic hydrothermal
sodium titanate
Opis:: The present study is to clarify the present influences of acid concentration and temperature of caustic hydrothermal method on extracting the titanium dioxide (TiO₂) from synthetic rutile waste. In this experimental work, the caustic hydrothermal method comprises two processes: a decomposition and the sulphate process. The extracted titanium is characterized by using a electron dispersive X-ray spectroscopy to specify its chemical composition, field emission scanning electron microscope to determine the morphology and particle size, and lastly it is the X-ray diffraction to analyse the crystallinity of extracted titanium. In this study, we found that both acid concentration and temperature affected the TiO₂ growth while the calcination process could improve the crystallinity of extracted titanium.
Źródło:: Acta Physica Polonica A; 2017, 132, 3; 833-835
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Large-Area Sodium Titanate Nanorods Formed On Titanium Surface Via NaOH Alkali Treatment
Wielkopowierzchniowe nanopręty tlenku tytanu sodu wytworzone na powierzchni tytanu pod wpływem NaOH
Autorzy:: Lee, K.
Yoo, D.
Powiązania:: https://bibliotekanauki.pl/articles/354441.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: sodium titanate
nanorods
alkali treatment
SEM
tytanian sodu
nanopręty
obróbka alkaliczna
Opis:: Ti surfaces covered with large sodium titanate nanorods act as efficient electrodes for energy conversion and environmental applications. In this study, sodium titanate nanorod films were prepared on a Ti substrate in a 5M NaOH aqueous solution followed by heat treatment. The morphological characterization and the crystal structures of the sodium titanate nanorods were investigated via scanning electron microscopy (SEM), X-ray diffraction (XRD), and energy dispersive spectroscopy (EDS). Thin amorphous sodium titanate layers formed during the alkali-treatment, and sodium titanate nanorods were obtained after heat treatment at a temperature of 700°C. The sodium titanate nanorods obtained at this temperature had a thickness of about 80 nm and a length of 1 μm. The crystal structure of the sodium titanate was identified with the use of Na₂Ti₅O₁₁. The nanorods were agglomerated at a temperature above 900°C, and large-scale nanorods formed on the Ti surface, which may be used for electrodes for energy conversion applications.
Źródło:: Archives of Metallurgy and Materials; 2015, 60, 2B; 1371-1374
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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