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| 1 | Catalytic performance of Cu-and Zr-modified beta zeolite catalysts in the methylation of 2-methylnaphthalene显示文摘2,6-Dimethylnaphthalene(2,6-DMN) is a commercially important chemical for the production of polyethylenenaphthalate and polybutylene naphthalate. However, its complex synthesis procedure and high production cost significantly reduce the use of 2,6-DMN. In this study, the synthesis of 2,6-DMN was investigated with methylation of 2-methylnaphthalene(2-MN) over metal-loaded beta zeolite catalysts including beta zeolite, Cu-impregnated beta zeolite and Zr-impregnated beta zeolite. The experiments were performed in a fixed-bed reactor at atmospheric pressure under a nitrogen atmosphere. The reactor was operated at a temperature range of 400–500 °C and varying weight hourly space velocity between 1 and 3 h^(-1).The results demonstrated that 2,6-DMN can be synthesized by methylation of 2-MN over beta type zeolite catalysts.Besides 2,6-DMN, the product stream also contained other DMN isomers such as 2,7-DMN, 1,3-DMN, 1,2-DMN and 2,3-DMN. The activity and selectivity of beta zeolite catalyst were remarkably enhanced by Zr impregnation, whereas Cu modification of beta zeolite catalyst had an insignificant effect on its selectivity. The highest conversion of 2-MN reached81%, the highest ratio of 2,6-DMN/2,7-DMN reached 2.6 and the highest selectivity of 2,6-DMN was found to be 20% by using Zr-modified beta zeolite catalyst. | Fatih Gülec Farooq Sher Ali Karaduman | 2019 | Petroleum Science2019，16，1： | 8 |
| 2 | Sertraline-induced reproductive toxicity in male rats: evaluation of possible underlying mechanisms显示文摘 | Ozlem Atli Merve Baysal Gozde Aydogan-Kilic Volkan Kilic Seyda Ucarcan Burak Karaduman Sinem Ilgin | 2017 | Asian Journal of Andrology2017，19，6： | 4 |
| 3 | Leptin, soluble intedeukin-6 receptor, C-reactive protein and soluble vascular cell adhesion molecule-1 levels in human coronary atherosclerotic plaque 显示文摘 | Karaduman M | 2006 | Clinical & Experimental Immunology2006，143，3： | 1 |
| 4 | Tissue levels of adiponectin, turnout necrosis factor - alpha, soluble intercellular adhesion molecule - 1 and heart - type fatty acid - binding protein in human coronary atherosclerotic plaques显示文摘 | Karaduman M Sengul A Oktenli C | 2006 | Clin Endocrinol (Oxf)2006，64，2： | 1 |
| 5 | Leptin, soluble interleukin-6 receptor, C-reactive protein and soluble vascular cell adhesion molecule-1 levels in human coronary atherosclerotic plaque显示文摘 | Karaduman M Oktenli C Musabak U | 2006 | Clin Exp Immunol2006，143，3： | 1 |
| 6 | An application of Fibonacci numbers in ma-trices显示文摘 | KARADUMAN E | 2004 | Applied Mathematics and Computation2004，147，： | 1 |
| 7 | Stevens-Johnson syndrome associated with concomitant use of lamotrigine and valproie acid 显示文摘 | Yah:in B Karaduman A | 2000 | J Am Acad Dermatol2000，43，52： | 1 |
| 8 | The protective effect of beta-1, 3-D-glucan on taxol-induced hepatotoxicity: a histopathological and stereological study显示文摘 | Karaduman D Eren B Keles ON | 2010 | Drug Chem Yoxicol2010，33，1： | 1 |
| 9 | Development of a polyfunctional catalyst for benzene production from pyrolysis gasoline 显示文摘 | Alibeyli R Karaduman A Yeniova H | 2003 | Appl Catal A2003，238，2： | 1 |
| 10 | Effects of Three Different Con- servative Treatments on Pain, Disability, Quality of Life, and Mood in Patients with Cervical Spondylosis显示文摘 | Aslan T E Karaduman A | 2012 | Rheumatol Int2012，32，4： | 1 |
| 11 | The relationship between working capital management and profitability:Evi-dence from an emerging market显示文摘 | H A Karaduman | 2011 | International Re-search Journal of Finance and Economics2011，，62： | 1 |
| 12 | Combined antithrombotic treat- ment with aspirin and clopidogrel for patients with capsular war- ning syndrome : a case report 显示文摘 | Asil T Ir N Karaduman F | 2012 | Neurologist2012，18，2： | 1 |
| 13 | Effect of enzymatic pretreatment on the mechanical properties of jute fiber-reinforced polyester com- posites 显示文摘 | Karaduman Y Gokcan D Onal L | 2013 | Journal of Composite Materials2013，47，10： | 1 |
| 14 | Has Helicobacter pylori eradication therapy any effect on severity of rosanes symptoms?显示文摘 | GEDIK G K KARADUMAN A SIVRI B | 2005 | J Eur Acad Dermatol Venereol2005，19，3： | 1 |
| 15 | Modified hair apposition technique as the primary closure method for scalp lacerations 显示文摘 | Karaduman S Yttriiktiimen A Gtiryay S M | 2009 | Am J Emerg Med2009，27，9： | 1 |
| 16 | Leptin, soluble interleukin-6 receptor, C-reactive protein and soluble vascular cell adhesion molecule-1 levels in human coronary atherosclerotic plaque显示文摘 | Karaduman M | 2006 | Clin Exp Immunol2006，143，3： | 1 |
| 17 | Leptin, soluble inter- leukin-6 receptor, C-reactive protein and soluble vascular cell adhe- sion molecule-I levels in human coronary atherosclerotie plaque 显示文摘 | Karaduman M Oktenli C Musabak U | 2006 | Clin Exp Immunol2006，143，3： | 1 |
| 18 | Liquefaction of Turkish Coals in Tetralin with Microwaves显示文摘 | Simsek E H Karaduman A Olcay A | 2001 | Fuel Processing Technology2001，73，2： | 1 |
| 19 | Numerical solutions of chemical differential-algebraicequations显示文摘 | Karaduman E Bayram M | 2003 | Applied Mathematics and Computation2003，139，： | 1 |
| 20 | Clinical and histopatho- logical response to acitretin therapy in lipoid proteinosis 显示文摘 | Akoglu G Karaduman A Ergin S | 2011 | J Dermatolog Treat2011，22，3： | 1 |
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