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Active carbon–ceramic sphere as support of ruthenium catalysts for catalytic wet air oxidation (CWAO) of resin effluent

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a b s t r a c t
Active carbon–ceramic sphere as support of ruthenium catalysts were evaluated through the catalytic
wet air oxidation (CWAO) of resin effluent in a packed-bed reactor. Active carbon–ceramic sphere and
ruthenium catalysts were characterized by N2 adsorption and chemisorption measurements. BET surface
area and total pore volume of active carbon (AC) in the active carbon–ceramic sphere increase with
increasing KOH-to-carbon ratio, and AC in the sample KC-120 possesses values as high as 1100m2 g−1 and
0.69cm3 g−1(carbon percentage: 4.73 wt.%), especially. Active carbon–ceramic sphere supported ruthenium
catalysts were prepared using the RuCl3 solution impregnation onto these supports, the ruthenium
loading was fixed at 1–5 wt.% of AC in the support. The catalytic activity varies according to the following order: Ru/KC-120 > Ru/KC-80 > Ru/KC-60 > KC-120 > without catalysts. It is found that the 3 wt.% Ru/KC-120 catalyst displays highest stability in the CWAO of resin effluent during 30 days. Chemical oxygen demand (COD) and phenol removal were about 92% and 96%, respectively at the reaction temperature of
200 ◦C, oxygen pressure of 1.5 MPa, the water flow rate of 0.75 L h−1 and the oxygen flow rate of 13.5 L h−1.
Keywords: Active carbon–ceramic sphere, Ru, CWAO, Resin effluent

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Informasi Detail

Judul Seri

Journal of Hazardous Materials

No. Panggil

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Penerbit

: Elsevier B.V. All rights reserved., 2010

Deskripsi Fisik

Journal of Hazardous Materials 179 (2010) 545–551

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA KARBON

Info Detail Spesifik

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Pernyataan Tanggungjawab

yuli/agus

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