Denitrogenation of middle distillates using adsorbent materials towards ULSD production: A review

被引：122

作者：

Laredo, Georgina C. ^{[1
]}

Vega-Merino, Pedro M. ^{[1
,2
]}

Trejo-Zarraga, Fernando ^{[2
]}

Castillo, Jesus ^{[1
]}

机构：

[1] Inst Mexicano Petr, Programa Invest Proc Transformac, Mexico City 07730, DF, Mexico

[2] Inst Politecn Nacl, CICATA Legaria, Mexico City 11500, DF, Mexico

来源：

FUEL PROCESSING TECHNOLOGY | 2013年 / 106卷

关键词：

Nitrogen; Adsorption; Adsorbents; ULSD; Middle distillates; LIQUID-HYDROCARBON STREAMS; LIGHT CYCLE OIL; COKER GAS OIL; NITROGEN-COMPOUNDS; DEEP DESULFURIZATION; DIESEL FUEL; SELECTIVE ADSORPTION; CATALYTIC HYDROTREATMENT; ACTIVATED CARBONS; STRAIGHT RUN;

D O I：

10.1016/j.fuproc.2012.09.057

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A review of the state of art in the denitrogenation process of middle distillates using adsorbent materials is discussed. More stringent environmental laws enforce refiners to produce cleaner fuels from heavy feeds. Sulfur compounds reduce fuel quality and release pollutants to the atmosphere by which its elimination is mandatory. Typical hydrodesulfurization (HDS) catalytic processes in refineries are limited to meet the required specifications for Ultra Low Sulfur Diesel (ULSD) and new processes and materials need to be developed. Removal of nitrogen compounds (N-compounds) from real feedstocks improves sulfur elimination because irreversible adsorption of N-compounds on acidic sites in HDS catalysts may be avoided. Research and development during the last decade is reviewed in this work, including results obtained with different types of N-compounds, adsorptive systems and adsorbents commercially available. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：21 / 32

页数：12

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