Removal of copper(II) ion using modified guava (Psidium guajava L.) leaves powder as a biosorbent in synthetic wastewater
The elevated concentration of copper (II) ions in wastewater has become a serious environmental and public health concern, highlighting the need for affordable and efficient treatment methods. In this study, modified guava leaf powder was utilized as a biosorbent for the removal of Cu²⁺ ions from synthetic wastewater....