TY - JOUR
T1 - Triple effective water treatment agent
T2 - P(AA/AMPS) capped sulfur quantum dots boast remarkable antiscale, antibacterial, and real-time tracking capabilities
AU - Xia, Hengtong
AU - Ding, Rui
AU - Xia, Chao
AU - Yang, Ruodong
AU - Chen, Zhihao
AU - Xu, Hui
AU - Yin, Xiaoshuang
AU - Liu, Ying
AU - Yang, Wenzhong
N1 - Publisher Copyright:
© 2024 Elsevier B.V.
PY - 2024/10/23
Y1 - 2024/10/23
N2 - Recent research has explored nanomaterials as sustainable scale inhibitors for water treatment. This research specifically delved into the development of environmentally benign antimicrobial sulfur quantum dot scale inhibitors (P(AA/AMPS)-SQDs) by capping P(AA/AMPS) with varying molecular weights. The synthesized P(AA/AMPS)-SQDs underwent thorough characterization employing high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, and zeta potential analysis. The inhibitory efficacy of P(AA/AMPS)-SQDs on calcium carbonate (CaCO3) and calcium sulfate (CaSO4) scale formation was conducted under diverse conditions, including scale inhibitor concentration, reaction time, temperature, and pH using scanning electron microscopy and X-ray powder diffraction techniques. Remarkably, the water agent P(AA/AMPS)-SQDs showcased exceptional fluorescence, water solubility, and resilience to high temperatures. At specified concentrations, P(AA/AMPS)-SQDs demonstrated remarkable inhibition efficiencies, with over 98 % inhibition against the CaCO3 scale at 20 mg/L and over 97 % inhibition against the CaSO4 scale at 0.5 mg/L, significantly outperforming traditional scale inhibitors. Furthermore, P(AA/AMPS)-SQDs exhibited almost 100 % inhibition efficiency against Bacillus subtilis at a dosage of 150 mg/L. Furthermore, molecular dynamics simulation and quantum chemical calculations were employed to clarify the scale inhibition mechanisms of P(AA/AMPS)-SQDs. This multifunctional water treatment agent, integrating scale inhibition, antimicrobial properties, and online monitoring capabilities, lays a solid foundation for potential applications in engineering domains.
AB - Recent research has explored nanomaterials as sustainable scale inhibitors for water treatment. This research specifically delved into the development of environmentally benign antimicrobial sulfur quantum dot scale inhibitors (P(AA/AMPS)-SQDs) by capping P(AA/AMPS) with varying molecular weights. The synthesized P(AA/AMPS)-SQDs underwent thorough characterization employing high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, and zeta potential analysis. The inhibitory efficacy of P(AA/AMPS)-SQDs on calcium carbonate (CaCO3) and calcium sulfate (CaSO4) scale formation was conducted under diverse conditions, including scale inhibitor concentration, reaction time, temperature, and pH using scanning electron microscopy and X-ray powder diffraction techniques. Remarkably, the water agent P(AA/AMPS)-SQDs showcased exceptional fluorescence, water solubility, and resilience to high temperatures. At specified concentrations, P(AA/AMPS)-SQDs demonstrated remarkable inhibition efficiencies, with over 98 % inhibition against the CaCO3 scale at 20 mg/L and over 97 % inhibition against the CaSO4 scale at 0.5 mg/L, significantly outperforming traditional scale inhibitors. Furthermore, P(AA/AMPS)-SQDs exhibited almost 100 % inhibition efficiency against Bacillus subtilis at a dosage of 150 mg/L. Furthermore, molecular dynamics simulation and quantum chemical calculations were employed to clarify the scale inhibition mechanisms of P(AA/AMPS)-SQDs. This multifunctional water treatment agent, integrating scale inhibition, antimicrobial properties, and online monitoring capabilities, lays a solid foundation for potential applications in engineering domains.
KW - Antibacterial
KW - Molecular dynamics simulation
KW - P(AA/AMPS)-SQDs
KW - Quantum chemical calculation
KW - Scale inhibition
UR - http://www.scopus.com/inward/record.url?scp=85200442054&partnerID=8YFLogxK
U2 - 10.1016/j.desal.2024.117979
DO - 10.1016/j.desal.2024.117979
M3 - 文章
AN - SCOPUS:85200442054
SN - 0011-9164
VL - 589
JO - Desalination
JF - Desalination
M1 - 117979
ER -