Yazar "Erdem, Murat" için listeleme
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Preparation and Characterization of Activated Carbons from Waste Melamine Coated Chipboard by NaOH Activation
Zengin, Ayşe; Akalın, Mehmet Kuddusi; Tekin, Kubilay; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Foundation Environmental Protection & Research-Fepr, 2012)Activated carbons were prepared from the pyrolysis of waste melamine coated chipboard at 600 and 800 degrees C by chemical activation with NaOH. The effects of the carbonization temperature and concentration of chemical ... -
Preparation of cationic latexes with different length alkyl groups on their quaternary as supports for IBA catalyst ammonium ions and their use in the hydrolysis of PNPDPP
Erdem, Murat; Türk, Hayrettin (Elsevier Science BV, 2008)In this study, four cationic latexes containing n-hexadecyl, n-octyl, or a methyl group as one of the alkyls on their quaternary ammonium ions were synthesized and used as supports for o-iodosobenzoate (IBA) catalyst in ... -
PROMOTED HYDROLYSIS OF SOME ORGANOPHOSPHATE ESTERS USING SUPPORTED [Cu(tmen)OH(OH)]+
Erdem, Murat (2017)In this study, tetramethylethylenediamine copper(II) complex (Cu(tmen)Cl2) was synthesized and natural clay smectite and synthetic Dowex-50WX8resin containing Cu(tmen)(OH)(OH2)+ were prepared via ion exchange process in ... -
Reaktif organobentonit katkıların sert poliüretan köpüğün bazı performans özellikleri üzerine etkisi
Erdem, Murat; Ortaç, Kübra; Erdem, Bilge; Törk, H. (Gazi Universitesi Muhendislik-Mimarlik, 2017)Bu çalışmada; bentonit, amin ve hidroksil fonksiyonelliğine sahip bileşikler ile modifiye edilmiş ve elde edilen organobentonitler sert poliüretan köpük nanokompozit (SPKN) sentezinde katkı olarak kullanılmışlardır. ... -
Reaktif organobentonit katkıların sert poliüretan köpüğün bazı performans özellikleri üzerine etkisi
Erdem, Murat; Ortaç, Kübra; Erdem, Bilge; Türk, Hayrettin (2017)Bu çalışmada; bentonit, amin ve hidroksil fonksiyonelliğine sahip bileşikler ile modifiye edilmiş ve eldeedilen organobentonitler sert poliüretan köpük nanokompozit (SPKN) sentezinde katkı olarakkullanılmışlardır. Poliüretan ... -
Removal of lead (II) and nickel (II) ions from aqueous solution using activated carbon prepared from rapeseed oil cake by Na2CO3 activation
Uçar, Suat; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Springer, 2015)In this study, rapeseed oil cake as a precursor was used to prepare activated carbons by chemical activation with sodium carbonate (Na2CO3) at 600 and 800 A degrees C. The activated carbon with the highest surface area of ... -
Removal of Lead (II) Ions from Aqueous Solutions onto Activated Carbon Derived from Waste Biomass
Erdem, Murat; Uçar, Suat; Karagöz, Selhan; Tay, Turgay (Hindawi Publishing Corporation, 2013)The removal of lead (II) ions from aqueous solutions was carried out using an activated carbon prepared from a waste biomass. The effects of various parameters such as pH, contact time, initial concentration of lead (II) ... -
Removal of Orange II from Aqueous Solutions Using N-Vinyl Imidazole-based Hydrogels as Adsorbents
Erdem, Murat; Dikisler, Özlem; Erdem, Bilge (Taylor & Francis Inc, 2016)Poly(N-vinyl imidazole) hydrogel (p-VIm) and its partially quaternized analogue (p-VIm-Ar) were prepared and used for the removal of Orange II (OII). A fourier transform infrared spectrophotometer, scanning electron ... -
Rigid polyurethane foams with halogen-free flame retardants: Thermal insulation, mechanical, and flame retardant properties
Akdogan, Emre; Erdem, Murat; Ureyen, Mustafa Erdem; Kaya, Metin (Wiley, 2020)Rigid polyurethane foam (RPUF) composites with triphenyl phosphate (TPhP), aluminum trihydrate (ATH), and zinc borate (ZnB) alone, as well as their binary blends, were prepared via a one-shot process. the amount of flame ... -
Structural stabilities of N-permethylated tetracations of meso-tetrakis(4-pyridyl)porphyrin, meso-tetrakis[4-(dimethylamino)phenyl]porphyrin, and their manganese(III) complexes toward hydrogen peroxide, tert-butylhydroperoxide, and sodium hypochlorite
Türk, Hayrettin; Erdem, Murat (Soc Porphyrins & Phthalocyanines, 2004)The degradation rate constants of the tetracations 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin and 5,10,15,20-tetrakis(N,N,N-trimethylanilinium-4-yl)porphyrin as well as their manganese(III) complexes toward the ... -
Synthesis of novel methacrylate based adsorbents and their sorptive properties towards p-nitrophenol from aqueous solutions
Erdem, Murat; Yüksel, Erdinc; Tay, Turgay; Çimen, Yasemin; Türk, Hayrettin (Academic Press Inc Elsevier Science, 2009)The polymeric adsorbents were synthesized from 2-dimethylaminoethyl methacrylate (DMA) and [2(methacryloyloxy)ethyl]dimethylhexadecylammonium bromide (DMAC(16)) monomers in the presence of ethylene glycol dimethacrylate ... -
Yumurta Kabuğu Tozu Katkılanmış Sert Poliüretan Köpükler: Termal İletkenlik, Basma Mukavemeti ve Yanma Davranışlarının İncelenmesi
Bu çalışmada; farklı kütlesel oranlarda yumurta kabuğu tozu (YKT) içeren sert poliüretan köpük kompozitler (SPKK) sentezlenmiştir. YKT, X-ışını kırınım difraktometresi (XRD), X-ışını floresans spektrometresi (XRF) ve Fourier ...