Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol
Producing anhydrous ethanol through ethanol dehydration is challenging due to the formation of an ethanol-water azeotrope. Traditional methods use carcinogenic liquid separating agents like benzene to break this azeotrope. This study introduces a modified salt extractive distillation technique using...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-05-01
|
| Series: | Results in Chemistry |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211715625002504 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850213668115972096 |
|---|---|
| author | Manish Kumar Yadav Saumya Agarwal Shilpi Verma Vimal Chandra Srivastava Urška Lavrenčič Štangar Praveen Kumar |
| author_facet | Manish Kumar Yadav Saumya Agarwal Shilpi Verma Vimal Chandra Srivastava Urška Lavrenčič Štangar Praveen Kumar |
| author_sort | Manish Kumar Yadav |
| collection | DOAJ |
| description | Producing anhydrous ethanol through ethanol dehydration is challenging due to the formation of an ethanol-water azeotrope. Traditional methods use carcinogenic liquid separating agents like benzene to break this azeotrope. This study introduces a modified salt extractive distillation technique using soluble calcium chloride to produce anhydrous ethanol more safely and efficiently. We conducted simulations and optimizations of this new method, with columns operating under 80 % flooding conditions. This process demonstrated an effective energy consumption of 5.25 MJ per kg of ethanol, significantly lower than traditional methods. The innovative approach uses minimal calcium chloride and operates at reduced reflux flow rates, leading to smaller column diameters. Moreover, the energy needed for recovering the salt solution is just 4.4 % of the total energy consumption. Comparisons with existing literature show that our method's energy use is the lowest reported, marking a significant advancement in eco-friendly ethanol production. |
| format | Article |
| id | doaj-art-c1380f2ca2b34f21b6bfd42d85d4bf32 |
| institution | OA Journals |
| issn | 2211-7156 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Chemistry |
| spelling | doaj-art-c1380f2ca2b34f21b6bfd42d85d4bf322025-08-20T02:09:05ZengElsevierResults in Chemistry2211-71562025-05-011510226710.1016/j.rechem.2025.102267Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanolManish Kumar Yadav0Saumya Agarwal1Shilpi Verma2Vimal Chandra Srivastava3Urška Lavrenčič Štangar4Praveen Kumar5Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, IndiaDepartment of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, IndiaDepartment of Energy and Environment, Thapar Institute of Engineering & Technology, Patiala, Punjab 147004, IndiaDepartment of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India; Corresponding author.Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana 1000, SloveniaFaculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana 1000, Slovenia; Corresponding author at: Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana 1000, Slovenia.Producing anhydrous ethanol through ethanol dehydration is challenging due to the formation of an ethanol-water azeotrope. Traditional methods use carcinogenic liquid separating agents like benzene to break this azeotrope. This study introduces a modified salt extractive distillation technique using soluble calcium chloride to produce anhydrous ethanol more safely and efficiently. We conducted simulations and optimizations of this new method, with columns operating under 80 % flooding conditions. This process demonstrated an effective energy consumption of 5.25 MJ per kg of ethanol, significantly lower than traditional methods. The innovative approach uses minimal calcium chloride and operates at reduced reflux flow rates, leading to smaller column diameters. Moreover, the energy needed for recovering the salt solution is just 4.4 % of the total energy consumption. Comparisons with existing literature show that our method's energy use is the lowest reported, marking a significant advancement in eco-friendly ethanol production.http://www.sciencedirect.com/science/article/pii/S2211715625002504SimulationExtractive distillationSalt effectAbsolute alcoholCalcium chloride salt |
| spellingShingle | Manish Kumar Yadav Saumya Agarwal Shilpi Verma Vimal Chandra Srivastava Urška Lavrenčič Štangar Praveen Kumar Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol Results in Chemistry Simulation Extractive distillation Salt effect Absolute alcohol Calcium chloride salt |
| title | Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| title_full | Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| title_fullStr | Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| title_full_unstemmed | Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| title_short | Simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| title_sort | simulation and optimization of a modified salt extractive distillation process for the production of anhydrous ethanol |
| topic | Simulation Extractive distillation Salt effect Absolute alcohol Calcium chloride salt |
| url | http://www.sciencedirect.com/science/article/pii/S2211715625002504 |
| work_keys_str_mv | AT manishkumaryadav simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol AT saumyaagarwal simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol AT shilpiverma simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol AT vimalchandrasrivastava simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol AT urskalavrencicstangar simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol AT praveenkumar simulationandoptimizationofamodifiedsaltextractivedistillationprocessfortheproductionofanhydrousethanol |