STUDY OF THE EFFECT OF DIGESTION MEDIA ON THE PROPERTIES OF γ-ALUMINAGRANULES PREPARED VIA AN OIL-DROP TECHNIQUE

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ABDOLLAHI MOHAMMAD; ATASHI HOSSEIN; FARSHCHI TABRIZI FARSHAD

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Journal: Journal of Applied Research in Chemistry Year:2018 | Volume:12 | Issue:2 Page(s): 151-158

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Title

STUDY OF THE EFFECT OF DIGESTION MEDIA ON THE PROPERTIES OF γ-ALUMINAGRANULES PREPARED VIA AN OIL-DROP TECHNIQUE

Author(s)

ABDOLLAHI MOHAMMAD | ATASHI HOSSEIN | FARSHCHI TABRIZI FARSHAD | Issue Writer Certificate

Keywords

MESOPOROUS MATERIALSQ1

γQ1

-ALUMINAQ2

GRANULATIONQ1

OIL-DROP ROUTEQ1

CATALYST CHARACTERIZATIONQ1

Abstract

HCl is always used as precursor in synthesis of γ;-ALUMINA granules via oil-drop. Acomparative study was conducted to evaluate the effect of precursor on the catalytic characteristicsand performance of γ;-ALUMINA prepared via the oil-drop technique. The synthesized materials werecharacterized by X-ray diffraction (XRD), BET (Brunauer-Emmett-Teller), BJH (Barret-Joyner-Halenda), energy dispersive X-ray (EDX), scanning electron microscopy (SEM), transmittingelectron microscopy (TEM), and ammonia temperature programmed desorption (NH3-TPD)techniques. As a general trend, the γ;-ALUMINA catalyst prepared via oil-drop using HNO3 as theprecursor has the higher surface area, pore volume, pore size, and distribution which are preferredin catalysis. Based on the results, the γ;-ALUMINA samples prepared using HNO3 are superior inactivity about two times at 250 ° C due to the differences in crystalline size, morphology, texturalproperties, and acid strength. Moreover, the incorporation of chlorine into γ;-ALUMINA structure isresponsible for poisoning of catalysts which is evident by the less activity for the reaction.

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APA: Copy

ABDOLLAHI, MOHAMMAD, ATASHI, HOSSEIN, & FARSHCHI TABRIZI, FARSHAD. (2018). STUDY OF THE EFFECT OF DIGESTION MEDIA ON THE PROPERTIES OF γ-ALUMINAGRANULES PREPARED VIA AN OIL-DROP TECHNIQUE. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 12(2 ), 151-158. SID. https://sid.ir/paper/180171/en

Vancouver: Copy

ABDOLLAHI MOHAMMAD, ATASHI HOSSEIN, FARSHCHI TABRIZI FARSHAD. STUDY OF THE EFFECT OF DIGESTION MEDIA ON THE PROPERTIES OF γ-ALUMINAGRANULES PREPARED VIA AN OIL-DROP TECHNIQUE. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2018;12(2 ):151-158. Available from: https://sid.ir/paper/180171/en

IEEE: Copy

MOHAMMAD ABDOLLAHI, HOSSEIN ATASHI, and FARSHAD FARSHCHI TABRIZI, “STUDY OF THE EFFECT OF DIGESTION MEDIA ON THE PROPERTIES OF γ-ALUMINAGRANULES PREPARED VIA AN OIL-DROP TECHNIQUE,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 12, no. 2 , pp. 151–158, 2018, [Online]. Available: https://sid.ir/paper/180171/en

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