Amarasinghe,A. P. N. H. DPriyantha,N2025-09-172025-09-172025-05https://dr.ichemc.ac.lk/handle/123456789/440Page 57 Abstract No: 2025_310Water contamination by chromium species is a serious environmental and health issue, making its removal from water sources a top priority. Adsorption is a wellestablished method for heavy metal removal, with biosorbents emerging as an eco-friendly and costeffective alternative to synthetic adsorbents.enAdsorptionbiosorbentEichhornia crassipesisothermpoint of zero chargeArticle