Operation of a miniscale string bed reactor in spiral form at hydrotreatment conditions

Kallinikos, LE; Papayannakos, NG

dc.contributor.author	Kallinikos, LE	en
dc.contributor.author	Papayannakos, NG	en
dc.date.accessioned	2014-03-01T01:26:48Z
dc.date.available	2014-03-01T01:26:48Z
dc.date.issued	2007	en
dc.identifier.issn	0888-5885	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/18235
dc.subject.classification	Engineering, Chemical	en
dc.subject.other	Catalysts	en
dc.subject.other	Gas oils	en
dc.subject.other	Hydrodesulfurization	en
dc.subject.other	Thermal effects	en
dc.subject.other	Catalyst mass	en
dc.subject.other	Hydrotreatment conditions	en
dc.subject.other	Miniscale string bed reactor	en
dc.subject.other	Chemical reactors	en
dc.subject.other	Catalysts	en
dc.subject.other	Chemical reactors	en
dc.subject.other	Gas oils	en
dc.subject.other	Hydrodesulfurization	en
dc.subject.other	Thermal effects	en
dc.title	Operation of a miniscale string bed reactor in spiral form at hydrotreatment conditions	en
heal.type	journalArticle	en
heal.identifier.primary	10.1021/ie070309s	en
heal.identifier.secondary	http://dx.doi.org/10.1021/ie070309s	en
heal.language	English	en
heal.publicationDate	2007	en
heal.abstract	The operation of a structured bed three-phase minireactor is studied when used for the hydrodesulfurization of a heavy gas oil fraction under real industrial conditions. This type of reactor consists of a spiral tube with an internal diameter a little larger than the catalyst extrudate diameter, in which the catalyst particles form a string bed. Four different loadings of the spiral reactor were realized for the desulfurization of the gas oil fraction in a variety of operating conditions. The effect of the catalyst mass, string bed length and the fluid velocities on the performance of the spiral reactor concept is examined. The stability as well as the repeatability of the spiral reactor operation and the loading procedure of the string bed was tested. The influence of reaction temperature and the gas-to-liquid ratio on the spiral reactor performance was also investigated. The performance of the spiral reactor was compared with that of a convectional miniscale diluted bed reactor as well as with a pilot reactor. From the results presented it is concluded that the operation of the string bed spiral reactor is quite satisfactory and the impact of the catalyst mass and the bed length on its performance is negligible. © 2007 American Chemical Society.	en
heal.publisher	AMER CHEMICAL SOC	en
heal.journalName	Industrial and Engineering Chemistry Research	en
dc.identifier.doi	10.1021/ie070309s	en
dc.identifier.isi	ISI:000248657700009	en
dc.identifier.volume	46	en
dc.identifier.issue	17	en
dc.identifier.spage	5531	en
dc.identifier.epage	5535	en