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- W4313367532 endingPage "127219" @default.
- W4313367532 startingPage "127219" @default.
- W4313367532 abstract "Sonolysis is ascribed as one of the eco-friendly techniques for degradation of water pollutants, however, It exhibits a negative techno-economic assessment, meaning that, it is limitedly applicable at the commercial scale. The current study is considered with enhancement the techno-economic assessment of sonolysis degradation of pharmaceutical wastes (paracetamol and sulfamethazine) via exploitation of recoverable palladium-gold nanocomposites based on microcrystalline cellulose (MCC). MCC was currently applied as a solid supporting mold for preparation of the required nanocomposites to be applicable as recoverable template. Herein, a comparable study is presented for affinity of gold nanoparticles containing microcrystalline cellulose ([email protected]), palladium nanoparticles containing microcrystalline cellulose ([email protected]) versus palladium & gold nanoparticles containing microcrystalline cellulose ([email protected]) in sonolysis degradation of pharmaceutical wastes. The superiority of MCC for ingraining of NPs was approved via Scanning Electron Microscope, Energy Dispersive X-ray, X-ray Photoelectron Spectroscopy, X-ray diffraction and infrared spectroscopy. Kinetic parameters for removal the studied pharmaceutical wastes were also studied. The recoverability of the synthesized nanocomposites as catalysts was also approved. [email protected] exhibited the highest efficiency for degradation with 99% for paracetamol (sulfamethazine 98%) was sono-catalytically degraded within 90 min of rate constant of 31.7 ± 1.5 × 10−3 min−1 (sulfamethazine 52.5 ± 4.1 × 10−3 min−1). For [email protected], the sono-catalytic degradation of paracetamol was lowered from 249.5 mg/g to 217.8 mg/g to be reduced with only 12.7% after recycling for 4 times, while, the sono-catalytic degradation of sulfamethazine was lowered from 247.5 mg/g to 204.1 mg/g to be reduced with only 17.5%. Reaction mechanisms for ingraining NPs within MCC matrix and the sonolysis degradation of the tested pharmaceutical wastes were elucidated." @default.
- W4313367532 created "2023-01-06" @default.
- W4313367532 creator A5022247649 @default.
- W4313367532 creator A5026400434 @default.
- W4313367532 creator A5044047083 @default.
- W4313367532 creator A5052856244 @default.
- W4313367532 creator A5056084377 @default.
- W4313367532 creator A5077890077 @default.
- W4313367532 creator A5081489340 @default.
- W4313367532 date "2023-02-01" @default.
- W4313367532 modified "2023-10-01" @default.
- W4313367532 title "Recoverable palladium–gold nanocomposite based on microcrystalline cellulose for sono-catalytic degradation of pharmaceutical pollutants" @default.
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- W4313367532 doi "https://doi.org/10.1016/j.matchemphys.2022.127219" @default.