Solvent Recovery for Lithium-Ion Battery Production

B&W MEGTEC solvent recovery systems for the battery electrode manufacturing process offer a cost-effective way to produce electronic-grade solvents. This systems approach also helps achieve compliance with global and local emissions standards. System considerations include:

Solvent Recovery for any Scale
Proprietary solvent recovery systems from B&W MEGTEC effectively remove, recover, and purify solvents from coating-line exhaust air streams. For high volumes, adding a purification system makes it possible to produce electronic-grade NMP and allow immediate re-use onsite.
 
Small-Scale Applications
For small exhaust streams, a non-regenerable carbon absorption system is the perfect fit as it removes the NMP from the exhaust stream. Both the installation and operation are simple.
  
Pilot/Mass Production
For modest- to high-volume streams, a condensation system with concentrator delivers a more efficient and economical process. The system design includes heat recovery, chilled water condenser, and a zeolite wheel concentrator. To meet the most stringent environmental regulations, a carbon absorption system may also be required. The recovered solvent is collected in a storage tank until it can be purified onsite or shipped to a third-party processor.
 
Onsite Distillation/Purification
For modest- to high-volume NMP usage, adding an onsite distillation system will reduce operating costs because the recovery and purification process is only about 1/3 of the purchase price for new electronic-grade NMP. The proprietary design of the distillation system delivers electronic-grade NMP back into the process stream with a very high overall yield. 
 
All distillation and purification systems can be supplied pre-assembled on skids for timely and easy installation. Ask us for an economic analysis of your lithium-ion battery operation.
 

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