Improvement of natural gas liquid recovery energy efficiency through thermally coupled distillation arrangements

被引：22

作者：

Nguyen Van Duc Long ^{[1
]}

Lee, Moonyong ^{[1
]}

机构：

[1] Yeungnam Univ, Sch Chem Engn, Kyongsan 712749, South Korea

来源：

ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING | 2012年 / 7卷

关键词：

thermally coupled distillation; dividing wall column; double dividing wall column; double prefractionator arrangement; natural gas recovery; PETLYUK DISTILLATION; OPTIMAL OPERATION; DESIGN; OPTIMIZATION; COLUMN;

D O I：

10.1002/apj.643

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The depropanizing, debutanizing, and deisobutanizing fractionation steps of processing natural gas liquids were improved through studying complex distillation arrangements, including the double prefractionator arrangement (DPA), the double dividing wall column (DDWC) arrangement, and the Agrawal arrangement. The DPA and DDWC arrangements were obtained from an initial conventional column sequence, and both offer benefits by decreasing reboiler and condenser power consumption. Reducing the number of columns and their diameters in the DDWC arrangement can potentially reduce construction costs. Inter-reboiling of the bottom section of the second dividing wall column improved the performance of the DDWC. (c) 2011 Curtin University of Technology and John Wiley & Sons, Ltd.

引用

页码：S71 / S77

页数：7

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