Isomerization of limonene over natural zeolite-clinoptilolite

被引：15
|
作者：
Retajczyk, Monika [1 ]
Wroblewska, Agnieszka [1 ]
Szymanska, Alicja [2 ]
Michalkiewicz, Beata [2 ]
机构：
[1] West Pomeranian Univ Technol, Fac Chem Technol & Engn, Inst Organ Chem Technol, Pulaskiego 10, PL-70322 Szczecin, Poland
[2] West Pomeranian Univ Technol, Fac Chem Technol & Engn, Inst Inorgan Chem Technol & Environm Engn, Pulaskiego 10, PL-70322 Szczecin, Poland
来源：
CLAY MINERALS | 2019年 / 54卷 / 02期
关键词：
limonene isomerization; clinoptilolite; terpinolene; p-cymene; ALPHA-PINENE;
D O I：
10.1180/clm.2019.18
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The isomerization of limonene over natural the zeolite, clinoptilolite, was studied. The main products of limonene isomerization were terpinolene, alpha-terpinene, gamma-terpinene and p-cymene. These products have numerous applications in the cosmetic, food and pharmaceutical industries. The main parameters affecting limonene isomerization were reaction time, temperature and catalyst content. These parameters varied within the following ranges: reaction time 15-1440 min; temperature 155-175 degrees C; and catalyst content 5-15 wt.%. Terpinolene was obtained after reaction for 60 min at 175 degrees C using 10 wt.% catalyst. p-Cymene was produced using similar conditions as for terpinolene except for a longer reaction time of 1440 min. The use of optimum experimental conditions allowed the greatest amounts of the desired products to be obtained in the shortest time.
引用
收藏
页码：121 / 129
页数：9
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