Control of Catalytic Divided Wall Column

Sun, Libo; Qi, Cai; Li, Jun; Li, Qing Song

doi:10.4028/www.scientific.net/amr.225-226.496

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…Sun et al from the China University of Petroleum reported on design, optimization, and control of an RDWC for the hydrolysis of methyl acetate. The results showed that energy savings were over 20 % 96, 97. The authors also presented a shortcut design method in the conceptual design of an RDWC.…”

Section: Energy‐saving Technologiesmentioning

confidence: 99%

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

et al. 2016

Chem Eng & Technol

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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.

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Section: Energy‐saving Technologiesmentioning

confidence: 99%

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

et al. 2016

Chem Eng & Technol

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“…Kiss et al described a study undertaken to arrive at RDWC design for an industrial case within Akzo Nobel Chemicals, which indicated that savings with respect to conventional alternative would be 35% on capital and 15% on the energy side. Sun et al , reported the design, optimization, and control of a RDWC for the hydrolysis of methyl acetate. The results showed that energy savings of over 20% were possible.…”

Section: Introductionmentioning

confidence: 99%

Shortcut Method for the Design of Reactive Dividing Wall Column

Sun

2014

Ind. Eng. Chem. Res.

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The minimum vapor flow method and V min diagram are applied to the design of a reactive dividing wall column (RDWC) in this work. A shortcut design method for the conventional dividing wall columns based on the Underwood equations has been extended by introducing a new parameter that eliminates the effects of the reaction to allow conceptual design of the RDWC. Taking the syntheses of methyl tert-butyl ether (MTBE), ethyl tert-butyl ether (ETBE), and dimethyl ether (DME) as design cases, the results show that the minimum vapor flow method and the V min diagram can be well applied to the conceptual design of a RDWC in different reaction systems. INTRODUCTIONRecent research efforts in the development of production processes show an increasing concern for the reduction of environmental impact due to human activity. In those approaches, process intensification plays an important role. Process intensification, which is an area of chemical engineering, mainly focuses on the developing production alternatives to achieve the goal of reducing energy requirements and capital cost. To achieve that, strategies including multitask equipment and process integration have been employed. The reactive dividing wall column (RDWC), which combines the reactive distillation (RD) with the dividing wall column (DWC), is a highly integrated process leading to a step toward ultimate sustainability in process industries.The RDWC was first recognized and claimed by Kaibel in his 1984 patent. 1 Up to now, just very few industrial applications of RDWC have been reported. However, this process has been theoretically analyzed by many scholars. 2 Comprehensive papers on RDWC modeling were published by the group of Kenig. 3,4 The performance of a RDWC was theoretically studied for different systems with the rate-based approach. It was found that RDWC had great advantages in high conversion, selectivity, and product purity and less energy consumption. Kiss et al. 5 described a study undertaken to arrive at RDWC design for an industrial case within Akzo Nobel Chemicals, which indicated that savings with respect to conventional alternative would be 35% on capital and 15% on the energy side. Sun et al. 6,7 reported the design, optimization, and control of a RDWC for the hydrolysis of methyl acetate. The results showed that energy savings of over 20% were possible. Lee et al. 8 proposed a thermally coupled design for the production of isopropyl acetate to further reduce the energy requirement. The simulation results showed that the energy savings of more than 23% can be realized using the proposed thermally coupled design. The RD with thermal coupling was demonstrated by Cheng et al. 9 for the synthesis of diphenyl carbonate, and the steady state simulation results revealed that not only the operating cost but also the capital cost could be decreased by using the thermal coupling technology. Delgado-Delgado et al. 10 presented experimental results for the production of ethyl acetate in a RDWC for the

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Applications of Dividing‐Wall Columns

Kiss¹

2013

Advanced Distillation Technologies

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Control of Catalytic Divided Wall Column

Cited by 3 publications

References 6 publications

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

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

Shortcut Method for the Design of Reactive Dividing Wall Column

Applications of Dividing‐Wall Columns

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