We use cookies, similar technologies and tracking services

This website uses cookies, similar technologies and tracking services (hereinafter referred to as “Cookies”). These Cookies help to display our website, improve it based on your user behavior (e.g., via Salesforce Pardot) and present content aligned with your interests (e.g., LinkedIn Insights, Google Ads). We require your consent to use Cookies. Additionally, we incorporate content from third-party providers (e.g., Microsoft Azure for single sign-on authentication), which could involve transferring your data to the United States, a non-secure third country. By clicking Accept All, you consent to the use of non-essential Cookies and to your data being transferred to third countries. Clicking Refuse enables you to reject the use of non-essential Cookies. Please select which Cookies we may use under Details. More information, particularly about your rights as a data subject, is available under Details or in our Privacy Policy .

Details

Refuse

Accept

Below, you can activate/deactivate the individual technologies that are used on this website.

Accept All

Essential

These Cookies make a website usable by providing basic functions such as page navigation, language settings, Cookie preferences and access to protected areas of the website. Cookies in this category additionally ensure that the website complies with the applicable legal requirements and security standards. Owing to the essential nature of these Cookies, you cannot prevent their use on our website. Details about these Cookies are available under More Information.

Functionality and personalization

These Cookies collect information about your habits when using our web pages and help us to enhance your user experience by tailoring the functions and attractiveness of our web pages based on your previous visits, location and browser settings. They also enable access to integrated third-party tools on our website (e.g., Microsoft Azure for single sign-on authentication). This can involve transferring your data to the United States, a non-secure third country. If you refuse these Cookies, you might not be able to access the full functionality of the website. Details about the tools we use are available under More Information.

Analysis

These Cookies are used to compile basic usage and user statistics based on how our web pages are used. If you accept these Cookies, you simultaneously consent to your data being processed and transmitted to the United States by services such as Salesforce Pardot. Details about the tools we use are available under More Information.

Marketing and social media

These Cookies help third-party sources collect information about how you share content from our website on social media or provide analytical data about your user behavior when you move between social media platforms or between our social media campaigns and our web pages (e.g., LinkedIn Insights). Marketing Cookies from third-party sources also help us measure the effectiveness of our advertising on other websites (e.g., Google Ads). We use these Cookies to optimize how we deliver our content to you. The third-party sources and social media platforms we use can transfer your data to the United States, a non-secure third country. If you accept these Cookies, you simultaneously consent to your data being transferred and processed as described above. Details about the tools we use and our social media presence are available under More Information.

More information

Save Settings

Solvent Recovery

Dürr Megtec provides a comprehensive turnkey approach for producing battery electrode coated materials. Our capabilities cover both ends of the production line, as well as everything in between. We provide systems for raw material handling, slurry mixing and fluid delivery, web handling, coating and drying, NMP solvent recovery and purification, calendering, and slitting.

Application areas Solvent Recovery

Dürr Megtec has developed proprietary systems for the high-efficiency removal, recovery, and purification of solvents from coating line exhaust air streams in the battery electrode manufacturing process. These systems produce electronic-grade solvents and can be configured to achieve compliance with global and local emissions standards. System considerations could include:

  • NMP recovery and its on-site dehydration/distillation has an extremely short return-on-investment cycle, compared to the cost of new NMP.
  • In a laboratory environment with limited hours of operation, a carbon bed may be the most effective solution.
  • For large industrial installations, such as mass manufacturing of battery electrodes, a condenser followed by either a concentrator or a scrubber is an effective solution. A final carbon bed solvent recovery system can be used to reduce the solvent output for applications requiring extremely low-level emissions to meet very strict requirements.
  • The process is a closed-loop system. The exhaust air stream from the dryer is first pre-cooled via heat exchange with the dryer exhaust that is returned to the dryer as make-up air.
  • The solvent is recovered from the exhaust stream via chilled water condensation.
  • The exhaust air stream is reheated via heat exchange with the dryer exhaust and is returned to the dryer as make-up air.
  • A small slip-stream resulting from air infiltration into the dryers is sent to a water scrubber or concentrator prior to being discharged to the atmosphere. In some cases, a carbon bed may be required.
  • The liquid solvent can be reused onsite by sending it to a solvent distillation system for dehydration and purification, or it can be processed off-site.