Shrimp waste is mostly made up of kit kits that can be converted into chitosan. The use of chitin and chitosan is primarily as a preservative and adsorbent. In this study, shrimp shrimp waste is used directly as an adsorbent on Zn+ 2 ions, with no history of shrimp become chitin or chitosan. The prawn shrimp waste in the early stages was subjected to a washing, drying, smoothing, sifting and ac…