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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 23, Number 12
BKCSDE 23(12)
December 20, 2002

Title	Study on CO Adsorption on in-situ Brass Formed Cu/ZnO
Author	Kwang-Deog Jung, Oh-Shim Joo
Keywords	CO adsorption, Heat of adsorption, Brass formation, Cu/ZnO
Abstract	The isotherms of CO adsorption on the Cu/ZnO sample treated with hydrogen and methanol are investigated.The heats of adsorption of CO on the Cu/ZnO treated with hydrogen at 723 K for 3 h are in the range from 25.7 kJ/mol at θ= 0.8 to 59.8 at q= 0.1, while those on the Cu/ZnO sample treated with methanol at 523 K for 3 h are in the range 30.3 kJ/mol at θ= 0.8 to 99.8 kJ/mol at θ = 0.1. The Cu/ZnO samples treated with methanol have the higher heats of adsorptions than the Cu/ZnO samples treated with hydrogen do. The heats of adsorption at q = 0.1 increase with the methanol treatment time within 30 min and leveled off afterwards.
Page	1765 - 1768
Full Text	PDF

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