State‐of‐the‐Art of Advanced Distillation Technologies in China

Abstract

Focusing on energy conservation and process intensification, a comprehensive overview of advanced distillation technologies in the past four decades in China is presented. Novel trays, packings, and gas and liquid distributors based on the fundamentals of such technologies are described. Hybrid distillation and distillation assisted by an external force field on the basis of process intensification principles like reactive distillation, extractive distillation, Higee technology, microwaveassisted distillation, etc. are reported. Energy-saving technologies such as dividing-wall column and internally heat integrated distillation column together with some important examples regarding the industrial application of advanced distillation technologies are evaluated. As a guide to develop distillation processes, a green distillation concept is proposed. Future perspectives of distillation techniques in China are indicated.

Techno‐economic analysis for incorporating a liquid–liquid extraction system to remove acetic acid into a proposed commercial scale biorefinery

“…Flooding calculations were performed using the aqueous and organic phase flow rates given by the NREL model. The cross sectional area of the LLE column was determined from the flooding calculations and preferred column type (sieve‐plate tray column); a sieve‐plate tray column was chosen due to its construction simplicity, high efficiency and high throughput . By varying the retention time and the flow rates, the length of the column was also approximated.…”

Review of extractive distillation. Process design, operation, optimization and control

“…Regarding design, optimization and control, the community is much larger. It was also investigated by the aforementioned authors (Lang, 1992;Lang et al, 1994Lang et al, , 1995Lelkes et al, 1998aLelkes et al, , 2002Lelkes et al, , 2003aYou et al, 2015aYou et al, ,b, 2016a and several teams all over the world: American (Luyben, 2008a(Luyben, ,b, 2013(Luyben, , 2015(Luyben, , 2016a(Luyben, ,b,c, 2018a, Chinese from Taiwan region (Arifin and Chien, 2008;Hsu et al, 2010;Wu et al, 2013;Chen et al 2015Chen et al , 2016, Brasilian (De Figueirêdo et al, 2011Brito, 2015;Brito et al, 2016), Colombian (Gil et al, 2009(Gil et al, , 2012(Gil et al, , 2014, Italian (Errico and Rong, 2012;Errico et al, 2013Errico et al, , 2015 and Mexican (Gutiérrez-Guerra et al, 2009;Torres-Ortega et al, 2014; teams and recently many teams from mainland China (Lei et al, 2002(Lei et al, , 2014Li et al, 2016Han et al 2015;Luo et al, 2014Luo et al, , 2015Wang et al, 2012Wang et al, , 2015aWang et al, , 2016Wang et al, , 2018aZhang et al, 2014…”

Energy and Exergetic Evaluation of the Multicomponent Separation of Petrochemical Naphtha in Falling Film Distillation Columns

“…The primary purpose of a distillation process is to achieve maximum efficiency at the lowest energy expenditure, and this can be accomplished by modifying the column configuration and/or a sequence of columns (in the case of multicomponent separation). Examples concerning this are the Petlyuk, the Divided Wall Columns (DWC), heat pump distillation, HIDiC (Li et al, 2016) or even these proposals combined (Jana, 2019). Another nonconventional alternative is the use of falling film distillation columns.…”