Multifunctional Biochar for Highly Efficient Capture, Identification, and Removal of Toxic Metals and Superbugs from Water Samples

ACS Omega
Ye GaoParesh Chandra Ray

Abstract

According to the World Health Organization, more than two billion people in our world use drinking water sources which are not free from pathogens and heavy metal contamination. Unsafe drinking water is responsible for the death of several millions in the 21st century. To find facile and cost-effective routes for developing multifunctional materials, which has the capability to resolve many of the challenges associated with drinking water problem, here, we report the novel design of multifunctional fluorescence-magnetic biochar with the capability for highly efficient separation, identification, and removal of pathogenic superbugs and toxic metals from environmental water samples. Details of synthesis and characterization of multifunctional biochar that exhibits very good magnetic properties and emits bright blue light owing to the quantum confinement effect are reported. In our design, biochar, a carbon-rich low-cost byproduct of naturally abundant biomass, which exhibits heterogeneous surface chemistry and strong binding affinity via oxygen-containing group on the surface, has been used to capture pathogens and toxic metals. Biochar dots (BCDs) of an average of 4 nm size with very bright photoluminescence have been developed ...Continue Reading

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Citations

Nov 7, 2019·Environmental Science and Pollution Research International·Muhammad Nazmi HairuddinRama Rao Karri
Jan 15, 2020·Environmental Science and Pollution Research International· FaheemJianguo Bao
Nov 12, 2020·Journal of Environmental Chemical Engineering·Sung Hee Joo, Heechul Choi
Apr 10, 2021·Chemistry & Biodiversity·Gizem YıldızlıFurkan Ayaz

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Methods Mentioned

BETA
Fluorescence
scanning
dynamic light scattering
transmission electron microscopy
X-ray

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