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- W2080656618 abstract "Carbon deposition via coke formation is one of the critical problems causing catalyst deactivation during the reforming of hydrocarbons. An effort was made to regenerate the catalyst (Ni/γ-alumina) by oxidation methods. Two approaches were carried out for the regeneration of the deactivated catalyst. The first one involves the plasma treatment of the deactivated catalyst in the presence of dry air over a temperature range of 300∼500 °C, while the second one only the thermal treatment in the same temperature range. The performance of the regenerated catalyst was evaluated in terms of C4H10 and CO2 conversions and the physicochemical characteristics were examined using a surface area analyzer, an elemental analyzer, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It was observed that the carbon deposit (coke) on the catalyst was about 9.89 wt% after reforming C4H10 for 5 h at 540 °C. The simple thermal treatment at 400 °C reduced carbon content to 6.59 wt% whereas it was decreased to 3.25 wt% by the plasma and heat combination. The specific surface area was fully restored to the original state by the plasma-assisted regeneration at 500 °C. As far as the catalytic activity is concerned, the fresh and regenerated catalysts exhibited similar C4H10 and CO2 conversion efficiencies." @default.
- W2080656618 created "2016-06-24" @default.
- W2080656618 creator A5037397244 @default.
- W2080656618 creator A5042382003 @default.
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- W2080656618 date "2013-05-01" @default.
- W2080656618 modified "2023-10-18" @default.
- W2080656618 title "Regeneration of C4H10 dry reforming catalyst by nonthermal plasma" @default.
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- W2080656618 doi "https://doi.org/10.1016/s2095-4956(13)60051-0" @default.
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