US Patent Issued to Meri Environmental Solutions on July 22 for "Method for cleaning process water circulated in a paper recycling system using enzymes" (German Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,613, issued on July 22, was assigned to Meri Environmental Solutions GmbH (Munich).

"Method for cleaning process water circulated in a paper recycling system using enzymes" was invented by Luis Domene Figuerola (Munich), Henning Laubrock (Munich) and George Troubounis (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for cleaning process water circulated in a paper recycling system, comprising a process water treatment step, which comprises at least one pre-acidification step and at least one anaerobic cleaning step, wherein at least some of the process water to be cleaned is subjected to hydrolysis and...