"22271.rar" is a 2020 scholarly work by B.Sh. Kedelbaev and A.D. Dauylbai titled "Enzymatic Technologies for Processing Plant Raw Materials and Waste." Hosted by the Alma-mater Library as part of the South Kazakhstan State University (SKSU) biotechnology collection, the article focuses on converting plant-based materials and agricultural waste into useful products using enzymes. You can search the Alma-mater Library for more technical research on enzymatic waste processing.