정류탑에서 실행이 가능한 에너지 절감 Item에 대해 제시한 기술문서입니다.

핵심내용은 다음과 같습니다.

 

3-A. Operating Procedure Revisions

 

3-A-1. Reducing the Reflux Ratio of Columns
3-A-2. Lowering Product Specifications
3-A-3. Lowering Pumping Costs.
3-A-4. Lowering Steam Usage
3-A-5. Process Heaters

 

4-A. Optimization of Heat Recovery - Heat Exchangers

 

4-B. Column Revisions

 

4-B-1. Additional or More Efficient Trays
4-B-2. Additional Column Draw

 

4-C. Optimization of Recovery and Use of Energy

 

4-C-1. Introduction
4-C-2. Column Heat Utilization.
4-C-3. Changing the Columns Temperature
4-C-4. Two-Stage Condensation
4-C-5. Waste Heat Boilers
4-C-6. Multiple Effect Heat Cascading for Distillation Columns
4-C-7 Split Tower
4-C-8. Interreboilers, Intercondensers, and Feed Preheating
4-C-9. Feed Preheating
4-C-10. Interreboiler
4-C-11. Intercoolers and Feed Precoolers
4-C-12. Circulating Refluxes

 

4-D. Use of Vapor Recompression and Heat Pumps for Distillation

 

4-D-1. Introduction
4-D-2. Distillation Columns Reflux and Heat Balance
4-D-3 Vapor Recompression
4-D-4. Heat Pump
4-D-5. Theory Behind Vapor - Recompression and Heat Pumps
4-D-6. Vapor Recompression
4-D-7. Reasons For Conversion of an Existing Column
4-D-8. Conversion of an Existing Column
4-D-9. Advantages of Vapor Recompression
4-D-10. Disadvantages of Vapor Recompression
4-D-11. Advantanges and Disadvantages of the Heat Pump
4-D-12. Guidelines for Considering Vapor Recompression
4-D-13. Procedure for Vapor Recompression Evaluation
4-D-14. Example Propane-Propylene Splitter
4-D-15. Work Problem Propane-Propylene Splitter with BottomsVapor Compression.

 

4-E. Improving Control of Distillation Columns

 

4-F. Reducing Heat Losses Using Insulation