Yazar "Kaya, Mehmet" için listeleme
-
Cellulose ester-based aerogel: lightweight and highly water-absorbent
Aksu, Kadir; Kaya, Mehmet (American Chemical Society, 2023)Cellulose was extracted from waste generated by pruning tea stem wastes. The interaction between pure cellulose and homophthalic acid produced a light (0.22 g·cm-3) and eco-friendly hybrid aerogel product that is highly ... -
Çay Çalısı Budama Atıkları Kullanılarak Eosin Y Boyarmaddesinin Sulu Çözeltiden Biyosorpsiyonu için İzoterm Verilerinin İncelenmesi
Kaya, Mehmet (Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020)In this study, by evaluating the low-cost, abundant, efficient and environment-friendly bio-waste obtained from the waste of tea stem, it has been ensured that this waste will be an alternative to the current expensive ... -
Çeşitli Katyon Değiştirilmiş ve Sütunlanmış Artvin Bentonitlerinin Karakterizasyonu ve Seçilmiş Bir Organik Reaksiyonda Katalizör Olarak Kullanılmaları
Tabak, Ahmet; Çağlar, Bülent; Kaya, Mehmet (Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020)In this study, the catalytic activities of raw, some metal cations exchanged (Fe3+ and Cu2+) and Fe- and Alpillared Artvin bentonite samples as a catalyst for acetalization reaction of benzaldehyde with 2, 3-butanediol ... -
Evaluation of a novel woody waste obtained from tea tree sawdust as an adsorbent for dye removal
Kaya, Mehmet (Springer, 2018)In this work, the evaluation of low-cost, abundantly available, efficient and eco-friendly bio-waste adsorbent (BWA) obtained from waste tea stem (sawdust tea wood) was presented as an alternative to the current expensive ... -
Investigation Of A Hybrid Material And Photophysical Properties Of Rhodamine B In Aqueous Suspensions Of Cellulosic Particles
Kaya, Mehmet (Revue Roumaine de Chimie, 2019)In this work, it was focused on the photophysical properties of Rhodamine B (Rh-B) dye compound in the rice husk (sawdust) suspensions (RHS), as well as the characterization of the hybrid material from Rh-B and rice husk ... -
Investigation of a hybrid material and photophysical properties of rhodamine B in aqueous suspensions of cellulosic particles
Kaya, Mehmet (Editura Acad Romane, 2019)In this work, it was focused on the photophysical properties of Rhodamine B (Rh-B) dye compound in the rice husk (sawdust) suspensions (RHS), as well as the characterization of the hybrid material from Rh-B and rice husk ... -
Molecular aggregates of Merocyanine 540 in aqueous suspensions containing natural and CTAB-modified bentonite
Kaya, Mehmet; Meral, Kadem; Önganer, Yavuz (Elsevier Science Bv, 2015)The molecular interactions of MC-540 (Merocyanine 540) in clay suspensions containing natural bentonite and CTAB (cetyl trimethyl ammonium bromide)-modified bentonite were examined by using absorption, steady-state and ... -
The molecular aggregation of pyronin y in natural bentonite clay suspension
Meral, Kadem; Yılmaz, Nuray; Kaya, Mehmet; Tabak, Ahmet; Onganer, Yavuz (Elsevier, 2011)The molecular aggregation and spectroscopic properties of Pyronin Y (PyY) in the suspension containing natural bentonite clay were studied using molecular absorption, steady-state and time-resolved fluorescence spectroscopy ... -
A novel highly porous cellulosic aerogel regenerated by solvent exchange mechanism
Kaya, Mehmet; Demir, Adem; Akçay, Hakkı Türker (Springer, 2019)Cellulose acetate aerogel (CAA) regenerated with toluene solvent was first obtained and analysed in this work using several measurement techniques. CAA, a green and environmentally friendly material, with high thermal ... -
Photophysical and adsorption properties of pyronin B in natural bentonite clay dispersion
Rostami, Mohammad Reza; Kaya, Mehmet; Gür, Bahri; Önganer, Yavuz; Meral, Kadem (Elsevier Science Bv, 2015)The present study focused on the adsorption and photophysical properties of pyronin B (PyB) in bentonite aqueous dispersion. the photophysical properties of PyB in the aqueous dispersion were studied by using UV-vis ... -
Preparation and characterization of "green" hybrid clay-dye nanopigments
Kaya, Mehmet; Onganer, Yavuz; Tabak, Ahmet (Pergamon-Elsevier Science Ltd, 2015)We obtained a low cost and abundant nanopigment material composed of Rhodamine B (Rh-B) organic dye compound and Unye bentonite (UB) clay from Turkey. the characterization of the nanopigment was investigated using scanning ... -
Preparation and characterization of a novel activated carbon component via chemical activation of tea woody stem
Tabak, Ahmet; Sevimli, Kadir; Kaya, Mehmet; Çağlar, Bülent (Springer, 2019)The novel activated carbon materials were synthesized by the carbonization and chemical activation of agricultural bio-waste from tea woody stems (TWS), and these materials were characterized by using FTIR, SEM, TG/DTA and ... -
Pyronin Y (basic xanthene dye)-bentonite composite: a spectroscopic study
Tabak, Ahmet; Kaya, Mehmet; Yılmaz, Nurdane; Meral, Kadem; Önganer, Yavuz; Çağlar, Bülent; Sungur, O. (Elsevier Science Bv, 2014)The expansion by 1.43 Angstrom of basal spacing and the shift to higher frequencies of in-plane ring vibrations of the Pyronin Y molecule at 1603 and 1527 cm(-1) on the formation of Pyronin Y-bentonite composite exhibited ... -
Recycling of an agricultural bio-waste as a novel cellulose aerogel: A green chemistry study
Kaya, Mehmet; Tabak, Ahmet (Springer, 2020)Cellulose aerogel (CA) isolated from tea stem wastes (TSW) is a good fire retardant and heat insulator, environmentally friendly, thermally stable and highly porous material with a network structure. These outstanding ... -
Super absorbent, light, and highly flame retardant cellulose-based aerogel crosslinked with citric acid
Kaya, Mehmet (Wiley, 2017)Light (0.089-0.12 g cm(-3)), superabsorbent (84-99 g water/1 g aerogel), and highly flame retardant non-crosslinked cellulose aerogel (CA) and crosslinked cellulose aerogel (CL-CA) have been successfully produced from ... -
Synthesis and Characterization of Cellulose-Based Bio-Polymer Aerogel Isolated from Waste of Blueberry Tree (Vaccinium myrtillus)
Kaya, Mehmet (Journal of the Turkish Chemical Society Section A: Chemistry, 2016)Abstract: Cellulose aerogel (CA) with a highly porous structure is environmentally friendly, thermally stable, and flame retardant. These properties in material worlds have attracted large interest as a potentially industrial ... -
Synthesis and solvent-dependent photophysics of a novel fluorescent triazole-coumarin-based dye
Kaya, Mehmet; Menteşe, Emre (Wiley, 2020)Synthesis of a new coumarin-triazole-based dye and its photophysical parameters such as absorption, fluorescence emission, and fluorescence quantum yield were investigated. Studies have shown that the present dye has ...
