نتایج جستجو برای: photo catalyst

تعداد نتایج: 71758  

2015
Jeng-Shiung Chen Vlad Stolojan Ravi P. Silva

7 Carbon nanotubes have been intensively researched for electronic applications, driven 8 by their excellent electronic properties, with the goals being control and 9 reproducibility of growth, semiconducting/metallic type selectivity and maintaining 10 high quality of carbon nanotubes, in a process that is temperature-compatible with the 11 electronics. Photo-thermal chemical vapour deposition...

2011
O. Lepreux N. Petit

Practical Achievable Performance in Diesel Oxidation Catalyst Temperature Control — This paper proposes a simple control-oriented model for a Diesel Oxidation Catalyst (DOC). This distributed parameter model accounts for spatially distributed heat generation due to oxidation of reductants. It aims at being used in the context of DOC outlet temperature control, which is required during Diesel Pa...

CdS nanoparticles are II-VI group semiconductor in nature with suitable band gap for photoluminescence and photo-catalyst applications. CdS nanostructures were synthesized via a facile precipitation method in the presence of green capping agents such as starch, glucose, gelatin, salicylic acid in the green solvent of water. The influence of concentration, surfactant, precipitating agent on the ...

2017
Tahir Muhmood Mingzhu Xia Wu Lei Fengyun Wang Muhammad Asim Khan

Hollow graphitic carbon nitride (HCN) ZrO2/g-C3N4 hybrid composites (HCN–ZR) and the target catalyst Fe/ZrO2/g-C3N4 (HCN–FZR) were prepared successfully by a solvo-thermal method and evaluated for photo-degradation of organic pollutants, i.e. MO, and herbicides, metsulfuron methyl (MTSM). These materials were characterized by a variety of techniques, including Fourier transform infrared spectro...

2009
Margit Biemans Betsy van Dijk

Social connectedness is crucial to someone’s well-being. A case study is conducted to test whether the social connectedness of elderly people living in a nursing home and their family and friends can be improved through a photo frame. A SIM-based photo frame is used to keep the elderly people informed about the comings and goings of their loved ones. Eight elderly people living in a nursing hom...

2011

A general overview on the prospective of various oxidation and combined processes in the treatment of tannery industry effluent are reported. Various oxidation and combined processes such as UV/H2O2/Hypochlorites, Fenton and Electro-oxidation, photo-chemical, photo-catalytic, electro-catalytic oxidation, wet air oxidation, ozonation, biological followed by ozone/UV/ H2O2, coagulation or electro...

Journal: :Molecules 2010
Masayuki Kobayashi Shigeyuki Masaoka Ken Sakai

With the aim of developing new molecular devices having higher photo-hydrogen-evolving activity, Pt(ppy)ClX units (ppy = 2-phenylpyridinate, X = Cl(-) or DMSO; DMSO = dimethylsulfoxide) have been employed as an H(2)-evolving site, as the catalytic activity of [Pt(ppy)Cl(2)](-) was confirmed to be higher than those of other mononuclear platinum(II) complexes. In the present study, two new hetero...

Journal: :journal of nanostructures 2015
l. nejati-moghadam a. esmaeili bafghi-karimabad m. salavati-niasari h. safardoust

in this paper, tin dioxide nanoparticles were synthesized by a fast and simple co-precipitation method. for sno2 preparation, we used ammonia as precipitation agent and bis (acetylacetone) ethylene diamineas as capping agent. by changing in sncl4, acacen mole-ratio different morphologies were obtained. this semiconductor nanostructure has photo-catalyst activities and can degrade organic dyes a...

Journal: :The Science of the total environment 2015
M Catalá N Domínguez-Morueco A Migens R Molina F Martínez Y Valcárcel N Mastroianni M López de Alda D Barceló Y Segura

This paper investigates the elimination of drugs of abuse from six different chemical classes and their metabolites in natural fluvial waters (nearby the output of a sewage system). Mineralization of these substances and toxicological characterization before and after treatment by a heterogeneous photo-Fenton system has been evaluated. This advanced oxidation technology was able to significantl...

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