Zobrazeno 1 - 10
of 2 345
pro vyhledávání: '"heteropoly acid"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Electrospinning is utilized to fabricate catalytic nanofiber scaffold for biocrude upgrading in hydrodeoxygenation (HDO) following computational studies suggesting the need for nano-catalysts for efficient HDO conversion and selectivity. Her
Externí odkaz:
https://doaj.org/article/36b11119f6914c2f99d2ced2e0b734b4
Publikováno v:
Reactions, Vol 5, Iss 3, Pp 587-593 (2024)
Edible oils are one of the renewable sources that enable the possibility of producing biodiesel sustainably. The transesterification of canola oil with methanol using cesium-modified phosphotungstic acid (Cs2.5H0.5PW12O40) as a heterogeneous catalyst
Externí odkaz:
https://doaj.org/article/d1db761bb15f47e9a750aa39bb49ef4e
Publikováno v:
Surfaces, Vol 7, Iss 3, Pp 460-471 (2024)
The recyclable paper based on photochromic materials not only reduces the pollution in the paper manufacture process, but also reduces the pollution caused by the use of ink, which receives wide attention. In this paper, a series of phosphomolybdic a
Externí odkaz:
https://doaj.org/article/8b05c36213be410580f2478450397ed1
Publikováno v:
شیمی کاربردی روز, Vol 19, Iss 70, Pp 105-120 (2024)
AbstractIn this study, a magnetic catalyst of phosphutangetic acid salt (ZnHPMo12O40) was prepared by substitution of protons in H3PW12O40 with zinc metal cations as a recyclable catalyst. The structural and morphology of the prepared catalysts was i
Externí odkaz:
https://doaj.org/article/ec5f381fdda84473b31102adb1314340
Autor:
Alaa J Awadh, Saad H. Ammar
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100898- (2024)
Herein, high activity/selectivity isomerization nanocatalysts composed of Pt/PWA-Nb2O5 have been synthesized for the first time for n-hexane isomerization. The synthesized catalysts were characterized by X-ray powder diffraction (XRD), Fourier-transf
Externí odkaz:
https://doaj.org/article/cdfda47b81bc458f9b98790c9653a020
Publikováno v:
شیمی کاربردی روز, Vol 18, Iss 67, Pp 31-50 (2023)
The synthesis of MIL-53(Fe) samples and encapsulation process of phosphomolybdic acid implemented using ultrasound at ambient temperature and atmospheric pressure. Characterization of newly synthesized nanocomposite was carried out using various tech
Externí odkaz:
https://doaj.org/article/8e5cdaf9fff044e2aa1c4d28afa6defe
Autor:
Nivedha Vinod, Saikat Dutta
Publikováno v:
Chemistry, Vol 5, Iss 2, Pp 800-812 (2023)
This work reports a straightforward and high-yielding synthesis of alkyl levulinates (ALs), a class of promising biofuel, renewable solvent, and chemical feedstock of renewable origin. ALs were prepared by the acid-catalyzed esterification of levulin
Externí odkaz:
https://doaj.org/article/e4d982846bbb4555a8f0c4dd931cc1b1
Publikováno v:
Catalysis Communications, Vol 180, Iss , Pp 106710- (2023)
Keggin-type heteropoly acids (HPAs) have strong Brønsted acidity and are widely used as acid catalysts. The aim of this work is the systematic characterisation of the acid strength of HPA catalysts comprising H3PW12O40 and H4SiW12O40 supported on Si
Externí odkaz:
https://doaj.org/article/5fbc8aaccb43480e956407ab6a74367c
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