(634b) Simultaneous Heavy Metal Ion Capture and Detection Via Bio-Based Triboelectric Sensor

With the rapid development of technology, various pollutants are created and discharged into the environment. Among them, heavy metal wastewater is carcinogenic and lethal, which poses a significant threat to the environment and public health. However, current prevailing methods for detecting heavy metals require expensive equipment and arduous operation. Therefore, a green and efficient method is urgently needed to detect and remove heavy metal ions simultaneously from wastewater. Herein a cellulose-based membrane was fabricated and can effectively detect and capture heavy metal ions simultaneously. After grafting different functional groups, membranes can selectively capture heavy metal ions in the solution. Furthermore, with the incorporation of a triboelectric device, the device can then differentiate heavy metal solutions with different concentrations. This study also shed light on the adsorption and triboelectric mechanisms. To sum up, this bio-based membrane shows excellent potential in practical heavy metal wastewater treatment and paves future advancements in heavy metal detection systems.