Unfavorable process intensification of double column reactive extractive distillation system

IAX Teh, HY Lee, ZY Kong, A Putranto, J Zheng… - … and Processing-Process …, 2024 - Elsevier
This study evaluated the energy saving potential of process intensified double column
reactive extractive distillation (DC-RED) through three case studies. The results showed that …

Energy-saving heat integrated extraction-azeotropic distillation for separating isobutanol-ethanol-water

Q Li, N Hu, S Zhang, Q Wu, J Qi - Separation and Purification Technology, 2021 - Elsevier
In the production of isobutyl alcohol by hydroxyl synthesis process, a large number of
industrial effluent rich in isobutyl alcohol and ethanol would be produced, and the direct …

Intensification proposals for the downstream separation of the methanol-to-olefins process

NP Andrade, M Andrade, M Rebouças, RP Brito… - … and Processing-Process …, 2024 - Elsevier
Abstract The Methanol-to-Olefins (MTO) process presents a sustainable alternative for
producing light olefins from environmentally friendlier sources compared to traditional …

[HTML][HTML] Structure optimization of task-specific ionic liquids targeting low-carbon-emission ethylbenzene production

Y Lei, Z Yu, Z Wei, X Liu, H Yu, X Liang… - Separation and …, 2023 - Elsevier
The production of ethylbenzene from dry gas is a representative of an energy-intensive
process in oil refineries, and the distillation process accounts for the major energy …

Towards sustainable recovery of tetrahydrofuran, ethyl acetate, and methanol from waste effluent via thermal coupled extractive distillation and multi-objective …

S Sun, H Huang, Z Shi, M Du, ZY Kong, M Wang… - Process Safety and …, 2025 - Elsevier
This study presents an energy-efficient extractive distillation (ED) process for separating the
quaternary azeotropic mixture of tetrahydrofuran (THF), Ethyl acetate (EtAC), Methanol …

Improvement of the butyl acetate process through heat integration: a sustainability-based assessment

PV Mangili, DM Prata - Chemical Engineering and Processing-Process …, 2019 - Elsevier
The heat integration of a conventional and a reactive distillation technologies for butyl
acetate production is studied in this work. Different configurations were evaluated and …

Energy and exergetic evaluation of the multicomponent separation of petrochemical naphtha in falling film distillation columns

MV Querino, RAF Machado… - Brazilian Journal of …, 2019 - SciELO Brasil
Multicomponent separation of synthetic petrochemical naphtha (hexane, cyclohexane,
toluene and xylene) was carried out in a falling film distillation sequence with heat supply …

Replacing DMF with ionic liquid in isoprene/n-pentane separation in C5 plants: Solvent design, process optimization, and industrial-scale assessment

Y Lei, Z Guo, L Du, X Meng, X Liu, X Wu, Y Chen - Fuel, 2024 - Elsevier
In the petrochemical industries, separating isoprene and n-pentane in carbon-five plants has
received significant interest because of relatively high energy consumption and carbon …

Study on the simulation control of neural network algorithm in thermally coupled distillation

ZL Zheng, Y Qi - arxiv preprint arxiv:2102.03506, 2021 - arxiv.org
Thermally coupled distillation is a new energy-saving method, but the traditional thermally
coupled distillation simulation calculation process is complicated, and the optimization …

Stacked Side-Stream distillation sequences

WT Tang, CK Chien, JD Ward - Chemical Engineering Science, 2023 - Elsevier
Distillation consumes a great deal of energy worldwide and research on methods to reduce
this consumption is ongoing. One strategy is column stacking (CS), in which the operating …