نتایج جستجو برای: nano al2o3 so3h

تعداد نتایج: 62281  

2011
Q. Jin

A series of experiments were performed for toluene decomposition from a gaseous influent at normal temperature and atmospheric pressure by nonthermal plasma coupled with a combination of catalysts technology. Nonthermal plasma was generated by dielectric barrier discharge. γ-Al2O3 was used to be a sorbent and a catalyst carrier. Nanocatalysts were MnO2/γ-Al2O3 coupled with modified ferroelectri...

Journal: :Physical chemistry chemical physics : PCCP 2013
Kiichi Fukuhara Kiyotaka Nakajima Masaaki Kitano Shigenobu Hayashi Michikazu Hara

Microporous carbon catalysts with large surface areas (800-1100 m(2) g(-1)) and high densities of SO3H groups (ca. 1.1 mmol g(-1)) were synthesized by sulfonation of zeolite-templated microporous carbon. The resulting SO3H-bearing microporous carbon catalysts exhibited higher catalytic performance for the hydrolysis of cellobiose and the Beckmann rearrangement than conventional solid acid catal...

2011
S. Zhang X. Y. Cao Y. M. Ma Y. C. Ke J. K. Zhang F. S. Wang

The influences of filler size and content on the properties (thermal conductivity, impact strength and tensile strength) of Al2O3/high density polyethylene (HDPE) composites are studied. Thermal conductivity and tensile strength of the composites increase with the decrease of particle size. The dependence of impact strength on the particle size is more complicated. The SEM micrographs of the fr...

2018
Yingjie Zhou Iman Noshadi Hao Ding Jingjing Liu Richard S. Parnas Abraham Clearfield Min Xiao Yuezhong Meng Luyi Sun

In this study, a solid acid was prepared by the sulfonation of surface modified α-zirconium phosphate (ZrP) single-layer nanosheets (SO3H@ZrP), and the prepared solid acid was investigated for the esterification of oleic acid with methanol to produce biodiesel. For comparison, liquid H2SO4 and commercial Amberlyst® 15 catalyst were also evaluated for the same reaction under the same conditions....

Journal: :International journal of engineering. Transactions C: Aspects 2021

Rapid urbanization and requirement of infrastructure, stable construction sites are not available. Therefore, there is a dire need for improvement marginal soils to be used as material. However, weak comprise saturated clays, fine silts, loose sand, which susceptible failure pose problems stability. this research aims study the strength microstructural behavior soft treated with nano-alumina (A...

Journal: :Proceedings of Azerbaijan High Technical Educational Institution 2023

The kinetics of changes in the concentration toxic components under γ-irradiation industrial wastewater from an oil refinery presence nano-γ-Al2O3 has been studied. phenols, surfactants, COD and total content products at various adsorbed dose were monitored. UV - spectrometric studies irradiated samples range 200-400 nm shows, that increasing absorbed leads to a decrease absorption (Abs) region...

Journal: :international journal of nano dimension 0
m. qandalee department of biology, garmsar branch, islamic azad university, garmsar, iran. m. hatami polymer research laboratory, university of bonab, bonab, i. r. iran. a. esmaeilzadeh department of chemistry, ayatollah amoli branch, islamic azad university, amol, iran. a. shojaeian department of chemistry, ayatollah amoli branch, islamic azad university, amol, iran. p. biparva department of basic sciences, sari agricultural sciences and natural resources university, p.o. box 578, sari 4818168984, iran.

two-component reaction of 2-aminobenzophenones with acetylenic esters in the presence of γ-al2o3 and cu/zno as suitable heterogeneous catalysts has been studied. nano γ-al2o3 and cu/zno showed high activities when used as surface catalysts for the synthesis of quinoline derivatives. after completion of the reaction, the catalyst was recovered and reused several times under the same reaction con...

2009
Susana Cardoso Zongzhi Zhang Haohua Li Ricardo Ferreira Paulo P. Freitas Peng Wei José C. Soares Etienne Snoeck Xavier Batlle

In this paper, a remote O2 ion source is used for the formation of nano-oxide layers. The oxidation efficiency was measured in CoFe-oxide films, and a decrease of the oxide layer with the pan angle and the oxidation pressure is observed. For the same oxidation pressure, the oxidation efficiency depends on the O2 content in the Ar–O2 plasma. These results were applied in optimizing the fabricati...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1989

Journal: :Latin American Journal of Solids and Structures 2021

Abstract In the present work, nano-Aluminum oxide (Al2O3), nano-Silicon Carbide (SiC), or a hybrid of them were infused into epoxy resin with an ultrasonic system various weight percentage ratios nanoparticles. Small punch testing (SPT) and indirect tension adopted to measure tensile properties nanocomposites. Pin-on-ring wear was also performed examine performance Al2O3 SiC The Finite Element ...

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