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Tīmeklis2024. gada 15. aug. · The synthesis of FeMgAl-LDHs with different regulating redox centers (CO 3 2−, NO 3 −, S 5 2− and MoS 4 2−) were confirmed by using XRD, FTIR and SEM analysis.For example, the peak position in the XRD spectra and changes in the d-spacing as related with the size of regulating redox centers (Fig. 1 A), … Catalysts preparing details, surface area, Fe% loading, and basic performances in BPA degradation are summarized in Table 1. FeMgAl-1, FeMgAl-2, and FeMgAl-3 were prepared with decreased amount of Fe3+ salts, and the %Fe loading in three catalysts was determined as 1.91%, 1.54%, and 1.31% (weight ratio) … Skatīt vairāk As far as we know, Pd-based in situ AOPs have never been conducted for the degradation of BPA. Herein, initial tests were conducted by free Fe(II) ions as the homogeneous catalyst in Pd-based in situ AOPs (Yuan et al. … Skatīt vairāk It has been certified that pH is one of the decisive factors affecting the performance of the Fenton-like process in the removal of organic pollutants (J. Li et al. 2009). On one hand, the existence of high concentration of … Skatīt vairāk Even though Pd/Fe2+ in situ AOPs achieved acceptable performances for BPA degradation under optimized conditions, … Skatīt vairāk For the economic perspective, reusability is an important factor for the successful application of a good heterogeneous catalyst in a solid–liquid reaction (Choi et al. 2010; Lei et al. 2015). Additionally, palladium is a … Skatīt vairāk
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Tīmeklis2024. gada 19. janv. · In contrast, FeMgAl CO3 and FeMgAl NO3 (Fe CO3 LDH and Fe NO3 LDH) showed very poor selectivity, lower capacities and very small Kd values. Furthermore, Fe MoS4 LDH and Fe S5 demonstrated negligible efficiency loss in the presence of competitive cations/anions or with change in solution pH. As confirmed … TīmeklisWhen calcined from 30 to 1000 C under N 2 atmosphere, ve mass- loss regions are observed in the TGA pro le of the FeMgAl LDHs (Fig. 1b). The rst weight loss region around 102 C with a weight loss ...
Tīmeklis2024. gada 7. jūl. · In the case of FeMgAl-LDH, the peaks were slightly moved toward lower wavelength, which might be related to the introduction of Fe, offering different sizes in the LDH layers. By introducing Co into LDH structure of FeMgAl-LDH, the peak position did not change. However, the intensity of all the peaks got lowered which … Tīmeklis2024. gada 23. okt. · Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith …
Tīmeklis2024. gada 1. dec. · FeMgAl also amplified the window of pH for Pd-catalyzed in situ advanced oxidation processes (AOPs) from 3 by homogenous Fe(II) to 3–7 by … Tīmeklis2024. gada 2. sept. · Different metal cation (Co2+, Fe2+, La3+, and Zn2+)-doped layered double hydroxides (LDHs), yielded CoMgAl-LDH, FeMgAl-LDH, MgAlLa-LDH, and ZnMgAl-LDH, respectively. The four LDHs synthesized from same molar ratio of MII:MIII had different adsorption capacities toward Cr(VI) and fluoride (F−). Single …
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