Method for extraction rectifying separation of acetone and isopropyl ether mixture
A technology of extractive distillation and extractive distillation column, which is applied in the field of separation and purification in the chemical industry, can solve the problems of large amount of extractant, low separation efficiency, complex process, etc., and achieve the effect of less investment in equipment, high purity and simple process
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0036] The feed temperature is 30° C., the flow rate is 1000 kg / h, the pressure is 1 atm absolute pressure, and the feed contains 30% acetone and 70% isopropyl ether. The number of theoretical plates of the extractive distillation column is 20, the inner diameter of the tower is 0.29m, the feeding plate of acetone and isopropyl ether mixture is 10, the flow rate of the extractant ethylene glycol is 600kg / h (solvent ratio is 0.6), and the extractant feed The number of plates is 4; the number of theoretical plates of the extraction agent recovery tower is 15, the inner diameter of the tower is 0.28m, and the number of feed plates is 8. The operating pressure of the extractive distillation tower is 1 atm absolute pressure, the reflux ratio is 0.8, the tower top temperature is 60.3 ° C, and the tower bottom temperature is 100.3 ° C; the extractant recovery tower operating pressure is 1 atm absolute pressure, the reflux ratio is 0.3, and the tower top temperature is 70.5°C, the tem...
Embodiment 2
[0040] The feed temperature is 30° C., the flow rate is 1000 kg / h, the pressure is 1 atm absolute pressure, and the feed contains 50% acetone and 50% isopropyl ether. The number of theoretical plates of the extractive distillation column is 35, the inner diameter of the tower is 0.32m, the feed plate of the acetone and isopropyl ether mixture is 18, the flow rate of the extractant ethylene glycol is 1000kg / h (the solvent ratio is 1), and the extractant feed The number of plates is 6; the number of theoretical plates of the extraction agent recovery tower is 25, the inner diameter of the tower is 0.3m, and the number of feed plates is 15. The operating pressure of the extractive distillation tower is 1 atm absolute pressure, the reflux ratio is 0.9, the tower top temperature is 56.2 ° C, and the tower bottom temperature is 94.9 ° C; the extractant recovery tower operating pressure is 1 atm absolute pressure, the reflux ratio is 1.0, and the tower top temperature is 68.1°C, the ...
Embodiment 3
[0044] The feed temperature is 30° C., the flow rate is 1000 kg / h, the pressure is 1 atm absolute pressure, and the feed contains 70% acetone and 30% isopropyl ether. The number of theoretical plates of the extractive distillation column is 40, and the inner diameter of the tower is 0.35m. The number of plates is 10; the number of theoretical plates of the extraction agent recovery tower is 50, the inner diameter of the tower is 0.26m, and the number of feed plates is 25. The operating pressure of the extractive distillation tower is 1 atm absolute pressure, the reflux ratio is 2, the tower top temperature is 52.5 ° C, and the tower bottom temperature is 90.8 ° C; the extractant recovery tower operating pressure is 1 atm absolute pressure, the reflux ratio is 1.2, and the tower top temperature is 65.1°C, the temperature at the bottom of the tower is 197.5°C. The purity of acetone after separation is 99.99%, the recovery rate of acetone is 99.99%, the purity of isopropyl ether...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com