2020
DOI: 10.1039/d0ra08217a
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A green approach for enhancing the hydrophobicity of UiO-66(Zr) catalysts for biodiesel production at 298 K

Abstract: Recently, the incorporation of hydrophobicity on the surface of UiO-66(Zr) has received much attention due to the deactivation of hydrophilic active sites of UiO-66(Zr) upon water adsorption.

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Cited by 18 publications
(11 citation statements)
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“…When cellulose @α-Fe 2 O 3 –ZrO 2 was sequentially used five times for biodiesel production, the yield did not significantly change, decreasing from 92.50 of first cycle to 80.0% of fifth cycle ( Figure 11 ). Decreasing of the product may be caused by deactivation of catalysts by product species adsorption and the unreacted lauric acid onto the surface of catalysts that could block the active sites [ 50 ].
Figure 11 Nanocomposite reusability.
…”
Section: Resultsmentioning
confidence: 99%
“…When cellulose @α-Fe 2 O 3 –ZrO 2 was sequentially used five times for biodiesel production, the yield did not significantly change, decreasing from 92.50 of first cycle to 80.0% of fifth cycle ( Figure 11 ). Decreasing of the product may be caused by deactivation of catalysts by product species adsorption and the unreacted lauric acid onto the surface of catalysts that could block the active sites [ 50 ].
Figure 11 Nanocomposite reusability.
…”
Section: Resultsmentioning
confidence: 99%
“…S3a-d †), indicating that the addition of SA may adjust the crystal growth. 60 The Zn, O, and C elements in Zn-BTC-SA are evenly dispersed, as observed from the STEM elemental mapping (Fig. S3f †).…”
Section: Intramolecular Da Cycloadditionmentioning
confidence: 60%
“…Likewise, Wang, et al [ 36 ] employed UiO-66-(COOH) 2 as a heterogeneous catalyst for the esterification of levulinic acid, and Abou-Elyazed, et al [ 37 ] also employed UiO-66(Zr)-NH 2 for the esterification of oleic acid. Meanwhile, Abou-Elyazed’s group [ 38 ] also demonstrated the direct preparation of Ca 2+ -doped UiO-66(Zr) under solvent-free conditions. In detail, the introduction of Ca 2+ could greatly enhance the catalytic performance and stability in the esterification because of the existence of double active sites with the formation of more defects.…”
Section: Zr-based Mof Catalystsmentioning
confidence: 99%