Effect of Phosphorus Modification of Zeolites Y and ZSM-5 on the Cracking of Hydrotreated Vacuum Gas Oil and a Vacuum Gas Oil-Sunflower Oil Mixture

被引：2
|
作者：
Lipin, P., V [1 ]
Potapenko, O., V [1 ]
Gulyaeva, T., I [1 ]
Sorokina, T. P. [1 ]
Doronin, V. P. [1 ]
机构：
[1] Russian Acad Sci, Inst Hydrocarbon Proc, Siberian Branch, Omsk 644040, Russia
来源：
PETROLEUM CHEMISTRY | 2019年 / 59卷 / 08期
关键词：
CATALYTIC CRACKING; VEGETABLE-OILS; LIGHT OLEFINS; MODIFIED HZSM-5; AROMATIZATION; HYDROCARBONS; PERFORMANCE; CONVERSION; ALKANES; YIELD;
D O I：
10.1134/S0965544119080115
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The effect of the preliminary impregnation of zeolites HREY and HZSM-5 with ammonium phosphate before introducing them into the composition of dual-zeolite catalysts has been studied. It has been found that the modification leads to a change in the main textural characteristics of the zeolites. Both the specific surface area and the meso- and micropore volume of the zeolites decrease. The total acidity of HREY and HZSM-5 and the number of strong acid sites in them also decrease. Tests on the conversion of hydrotreated vacuum gas oil and a vacuum gas oil-sunflower oil mixture under catalytic cracking conditions have shown that the modification of the zeolites leads to an increase in the total yield of the propane-propylene and butane-butylene fractions with a high olefin content in them, even with a decrease in the feedstock conversion.
引用
收藏
页码：894 / 902
页数：9
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