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ESTIMATION OF ACTIVATED ENERGY OF DESORPTION OF n—HEXANE ON ACTIVATED CARBONS BY PTD TECHNIQUE

Lizhong, WANGHongjuan

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Abstract

In this paper,six kinds of activated carbons such as Ag^+-activated carbon,Cu^2+activated carbon,Fe^3+-activated carbon,activated carbon,Ba^2+-activated carbon and Ca^2+activated carbon were prepared.The model for estimating activated energy of desorption was established.Temperature-programmed desorption(TPD)experiments were conducted to measure the TPD curves of n-hexanol and then estimate the activation energy for desorption of n-hexanol on the activated carbons.Results showed that the activation energy for the desorption of n-hexanol on the Ag^+-activated carbon,the Cu^2+-activated carbon and the Fe^3+-activated carbon were higher than those of n-hexanol on the activated carbon,the Ca^2+-activated carbon and the Ba^2+-activated carbon.

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What this paper is about

In this paper,six kinds of activated carbons such as Ag^+-activated carbon,Cu^2+activated carbon,Fe^3+-activated carbon,activated carbon,Ba^2+-activated carbon and Ca^2+activated carbon were prepared.The model for estimating activated energy of desorption was established.Temperature-programmed desorption(TPD)experiments were conducted to measure the TPD curves of n-hexanol and then estimate the activation energy for desorption of n-hexanol on the activated carbons.Results showed that the activation energy for the desorption of n-hexanol on the Ag^+-activated carbon,the Cu^2+-activated carbon and the Fe^3+-activated carbon were higher than those of n-hexanol on the activated carbon,the Ca^2+-activated carbon and the Ba^2+-activated carbon.

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Available abstract

In this paper,six kinds of activated carbons such as Ag^+-activated carbon,Cu^2+activated carbon,Fe^3+-activated carbon,activated carbon,Ba^2+-activated carbon and Ca^2+activated carbon were prepared.The model for estimating activated energy of desorption was established.Temperature-programmed desorption(TPD)experiments were conducted to measure the TPD curves of n-hexanol and then estimate the activation energy for desorption of n-hexanol on the activated carbons.Results showed that the activation energy for the desorption of n-hexanol on the Ag^+-activated carbon,the Cu^2+-activated carbon and the Fe^3+-activated carbon were higher than those of n-hexanol on the activated carbon,the Ca^2+-activated carbon and the Ba^2+-activated carbon.

Key concepts: Activated carbon, Desorption, Chemistry, Activation energy, Carbon fibers, Materials science, Organic chemistry, Adsorption

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ESTIMATION OF ACTIVATED ENERGY OF DESORPTION OF n—HEXANE ON ACTIVATED CARBONS BY PTD TECHNIQUE — Research Paper | ScholarLens