نتایج جستجو برای: super activated carbon nanoparticles

تعداد نتایج: 638303  

2014
LILIANA GIRALDO JUAN CARLOS MORENO-PIRAJAN

In this work, we report the degradation of NOx using two catalysts prepared by coating activated carbon from orange peels with TiO2. This study compared the performance of TiO2coated catalysts prepared by CVD (AC1/TiO2) and the sol-gel method (AC2/TiO2). The catalysts were characterized by X-ray diffraction, BET surface area and TEM. The photocatalytic activity was measured by studying the degr...

2014
Aritra Sengupta Sean C. Kelly Nishant Dwivedi Naresh Thadhani Mark R. Prausnitz

Conventional physical and chemical methods that efficiently deliver molecules into cells are often associated with low cell viability. In this study, we evaluated the cellular effects of carbon nanoparticles believed to emit photoacoustic waves due to nanosecond-pulse laser activation to test the hypothesis that this method could achieve efficient intracellular delivery while maintaining high c...

In this work, a low-cost activated carbon as well as non-hazardous material, with high adsorption capacity, was prepared from Melia azedarach fruit (MF) by ZnCl2 activation for the removal of Pb(II) toxic metal from aqueous solutions. The microstructure of the activated carbon was observed by Scanning Electron Microscopy (SEM). Batch experiments have been performed as a function of pH, contact ...

The present study aims at investigating the potential of activated carbon AC prepared from waste cotton fiber for the removal of Acid Dyes from aqueous solutions. The prepared activated carbon was characterized by pore structure analysis, Fourier transforms infrared spectroscopy FTIR. Batch adsorption studies were carried out and the effect of experimental parameters such as pH, initial dye con...

Gholam-Hossein Naficy Seyed, Saeed Reza Emamian

Adsorption of 1-Butanol, Phenol, and P-nitrophenol on activated carbon havebeen studied. The results were used to testifying the validity of different modelsbased on thermodynamic principles: Freundlich, Langmuir and Henry isotherms.The maximum capacity of adsorbent for three compounds was determined, Theconstants of equilibrium were determined by Freundlich isotherm and virialisotherm expressi...

ژورنال: طلوع بهداشت یزد 2016
امین, محمد مهدی, زارع, محمدرضا, طاهری, انسیه, فاتحی‌زاده, علی,

Introduction: Nowadays, application of MTBE due to its physical and chemical characteristics including high solubility in water has been increased, resulting in its release into the water resources. On other hand, waste activated sludge derived from municipal wastewater treatment plant (MWTP) contains high amount of carbon. Therefore, this study aimed to provide the activated carbon via sludge ...

In the paper we developed a new method to determine the absolute amount of adsorption. This method relies on the excess adsorption isotherm and the density profile in the pore of one material. To compute the density profile and decrease complex calculation of obtaining the absolute amount of adsorption we introduced Simplified Local-Density (SLD) model. A few of appropriate parameters were ...

2016
Haipeng Li Yue Li Yongguang Zhang Chunyong Liang Hongshui Wang Baoe Li Desmond Adair Zhumabay Bakenov

Carbon-encapsulated cobalt (Co@C) nanoparticles, with a tunable structure, were synthesized by chemical vapor deposition using Co nanoparticles as the catalyst and supported on a water-soluble substrate (sodium chloride), which was easily removed by washing and centrifugation. The influences of growth temperature and time on the structure and magnetic properties of the Co@C nanoparticles were s...

Journal: :محیط زیست طبیعی 0
هادی پورباقر استادیار گروه شیلات، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران سهیل ایگدری استادیار گروه شیلات، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران محمد هرسیج استادیار، گروه منابع طبیعی، دانشگاه گنبدکاووس، گنبدکاووس، ایران امیرحسین حمیدیان استادیار گروه محیط زیست ، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران

increasing the concentration of ammonia in water can cause fish death. this study was conducted to compare the performance of conditioned activated carbon and zeolite in ammonia (tan = total ammonia nitrogen) removal in a simulated transport of rainbow trout fry in 40-liter plastic bags. hence, responses of zeolite and conditioned activated carbon in ammonia (tan) removal at different concentra...

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