@article{oai:ir.kagoshima-u.ac.jp:00009836,
 author = {東, 英博 and Higashi, Hidehiro and 高橋, 武重 and Takahashi, Takeshige and 甲斐, 敬美 and Kai, Takami},
 issue = {4},
 journal = {Journal of the Japan Petroleum Institute},
 month = {},
 note = {深度脱硫条件下における触媒の活性劣化に及ぼすアスファルテン（ASP）の影響を明らかにするため，前処理された0.3 mass％の硫黄を含む常圧残さ油を0.1 mass％に減少させる水素化処理（HT）を2種類の市販のHDS触媒，CDS-R2および46Y-678触媒を充填したパイロットプラント型の固定層反応器を用いて行った。CDS-R2は平均細孔径が11 nmのγ-アルミナに担持した触媒であり，46Y-678はY型ゼオライトに担持した触媒である。46Y-678の触媒寿命は，CDS-R2よりも大きくなったが，水素化処理の商業装置に充填するには十分ではなかった。生成油および使用済み触媒の分析から，HT触媒におけるASPの急速な分解が活性劣化に大きな影響を与えていると推定された。, The effect of asphaltene (ASP) decomposition on catalyst deactivation under deep desulfurization conditions was investigated by reduction of sulfur from 0.3 to 0.1 mass% in a treated atmospheric residue (AR) over two kinds of commercial catalysts, namely CDS-R2 and 46Y-678, in a pilot scale fixed bed reactor. The CDS-R2 catalyst was supported on y-alumina with medium pore size (1 1 nm) and the 46Y-678 catalyst was supported on Y-type zeolite. The life of 46Y-678 was longer than that of CDS-R2, but was not adequate for application to commercially operated hydrotreating equipment. The rapid decomposition of ASP on the catalyst may be responsible for the catalyst deactivation from analysis of ASP in the product oil. Characterization of the used catalyst and the asphaltene revealed that coke was uniformly deposited on the catalyst and the coke content after 1000 h of time on stream was almost the same as that after 1 year in a commercial hydrotreating process. The coke content increased at the outer surface of catalyst by growth of a carbon shell. Decomposition of asphaltene is probably responsible for rapid catalyst deactivation in deep hvdrodesulfurization.},
 pages = {297--302},
 title = {常圧残さ油の深度脱硫条件下における水素化脱硫触媒の急速な活性劣化に及ぼすアスファルテン分解の影響},
 volume = {47},
 year = {2004}
}