نتایج جستجو برای: basic heterogeneous catalysts

تعداد نتایج: 423845  

Meysam Yarie was born in 1987 in Malayer/ Hamedan, Iran. He received his B.Sc. in Applied Chemistry (2010) from Malek-Ashtar University of Technology and M.Sc. in Organic Chemistry (2012) from Kurdistan University under the supervision of Dr. Kamal Amani. He is currently working towards his Ph.D. under the supervision of Professor Mohammad Ali Zolfigol. His research interest is the synthesis, c...

Hassan Sepehrmansourie was born in Hamedan, Iran in 1994. He received his B.Sc. in Applied Chemistry (2017) from Bu-Ali Sina University, Iran. He received his M.Sc.in Organic Chemistry (2019) under the supervision of Prof. Mohammad Ali Zolfigol. Also, He was also accepted for a Ph.D. in organic chemistry at the Bu-Ali Sina University in the same year. His research interest is the synthesis, cha...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2008
jasmin shah m. rasul jan fazal mabood

the waste tyres represent a source of energy and valuable hydrocarbon products. waste tyres were pyrolysed catalytically in a batch reactor under atmospheric pressure. the effects of basic catalysts (mgo and caco3) were studied on the pyrolysis products. the distribution ratio of gas, liquid and char with mgo and caco3 were 24.4:39.8:35.8 wt % and 32.5:32.2:35.2 wt % respectively at 350°c for 2...

Journal: :Molecules 2013
Shirley Nakagaki Gabriel Kaetan Baio Ferreira Geani Maria Ucoski Kelly Aparecida Dias de Freitas Castro

The synthetic versatility and the potential application of metalloporphyrins (MP) in different fields have aroused researchers' interest in studying these complexes, in an attempt to mimic biological systems such as cytochrome P-450. Over the last 40 years, synthetic MPs have been mainly used as catalysts for homogeneous or heterogeneous chemical reactions. To employ them in heterogeneous catal...

2001
Stephen J. Benkovic Mark Barteau Stephen Benkovic Jingguang Chen Michael W. Deem Martin Head-Gordon Daniel Herschlag Michael Hoffman Eric Jacobsen Jack Lunsford Tobin Marks

Four areas for the future directions of catalysis science were discussed. (1) There is a need for correlation of structure, dynamical rearrangements, transition states and reaction intermediates of enzyme, heterogeneous and homogeneous catalytic systems through investigations of the same reactions under similar experimental conditions. Better understanding of the existing heterogeneous chiral c...

2015
Fan Shi Aaron M. Coffey Kevin W. Waddell Eduard Y. Chekmenev Boyd M. Goodson

Two types of nanoscale catalysts were created to explore NMR signal enhancement via reversible exchange (SABRE) at the interface between heterogeneous and homogeneous conditions. Nanoparticle and polymer comb variants were synthesized by covalently tethering Ir-based organometallic catalysts to support materials comprised of TiO2/PMAA (poly methacrylic acid) and PVP (polyvinyl pyridine), respec...

2007
Fabing Su Fang Yin Lee Lu Lv Jiajia Liu Xiao Ning Tian Xiu Song Zhao

Since the discovery of ruthenium as a catalyst for hydrogenation reactions, Ru catalysts have been widely used in the chemical, petrochemical, food, and pharmaceutical industries, and in energy-conversion technologies. The scope of homogeneous Ru catalysts has been well-illustrated recently. However, heterogeneous catalysts can be preferable from both industrial and environmental perspectives. ...

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