Supported aqueous phase catalyst
Achieving High Levels of NMR-Hyperpolarization in Aqueous Media With Minimal Catalyst Contamination via SABRE
... the catalyst is still selectively re- tained in the organic ...was supported by the fact that UV spectroscopy on the aqueous phase revealed that its concentration was less than ...
7
Removal of 2-chlorophenol from Aqueous Solution Using Silica-supported Cu(II) Catalyst
... Several successful processes can be applied at various stages of water treatment, and undoubtedly catalytic wet oxidation (CWO), using pure oxygen or air for oxidant, has proven its worth for wastewater treatment, ...
8
Cobalt Oxide Nanoparticles Supported on γ-Alumina as Catalysts in The Selective Oxidation of Alcohols in Aqueous Phase
... For investigation of the loading effect Co 3 O 4 on the conversion and selectivity of the products three catalysts were tested. In Table 1, details of the conversion and selectivity of the products for each ...
5
Direct oxidation of benzene to phenol in liquid phase by H2O2 over vanadium catalyst supported on highly ordered nanoporous silica
... aqueous solution) were added. The reaction was carried out for 3 h at 60 °C under vigorous stirring. After the reaction was finished, the product mixture was cooled down to room temperature. The catalyst ...
7
Catalytic polymeric nanoreactors : more than a solid supported catalyst
... the catalyst “ exposed ’’ in the shell domain and the reaction did not take place in the core of the aggregates, the importance of selective localization of the starting materials via hydrophobic attractions was ...
9
A new methodology for the study of the magmatic hydrothermal transition in felsic magmas: applications to barren and mineralised systems
... performed on the CSIRO-GEMOC Nuclear Microprobe, at North Ryde in Sydney. This technology uses a very high-energy proton beam (3 MeV), focussed to 1.3 µm diameter, to excite the elements in a sample to emit ...
186
Synthesis and characterization of reduced graphene oxide-loaded cotton as phase-boundary catalyst in the oxidation of styrene by aqueous hydrogen peroxide
... of phase-boundary catalytic system has been designed by using octadecyltrichlorosilane/polypyrrole/reduced graphene oxide/cotton (OTS/PPy/RGO/CT) in the oxidation of ...
26
Transesterification of vegetables oil using alumina supported heterogeneous catalyst
... solid catalyst are specific surface area, pore size, pore volume and active site concentration on the surface of catalyst ...the catalyst. Catalyst supports or carriers greatly increase the ...
6
Carbon–Carbon Bond Formation Reaction with Pd/reduced Graphene Oxide Composite
... etc. in graphene oxide. The present protocol is novel, inexpensive and eco-friendly for the synthesis of Pd nanoparticles in which alovera acts as a mild reducing agent and sunlight as an energy source for the reduction. ...
6
Ammoxidation of methyl N heteroaromatic compounds over vanadium phosphorus oxide based catalysts
... catalyst (V:P:Sb:Al = 1.4:1:3.3;10) was prepared by deposition precipitation method. The requisite quantities of ammonium metavanadate (Fluka, AR grade) and antimony trioxide (Loba chemie, AR grade) were suspended ...
13
Catalytic Oxidative Desulfurization (ODS) by Using HPA supported Alumina Catalyst
... solid catalyst was separated easily from the oxidation system by centrifugation and could be recycled for several times without obvious decreasing in oxidation ...
5
Chitosan supported biosynthesized gold nanoparticles as catalyst for oxidation and reduction reactions
... Large numbers of heterogeneous catalysts have been prepared and have been employed successfully for the oxidation of benzyl alcohols to benzaldehydes (Vinod et al., 2011; Layek et al., 2011). Most of these types of ...
51
Preparation of KOH/CaO/C Supported Biodiesel Catalyst and Application Process
... At C/CaO ratio 4:6, KOH concentration 25%, impregnation at room temperature for 24 h, drying at 105˚C for 3 h, and calcination temperature 500˚C, the calcination time was changed and its effects on reactivity were inves- ...
9
Treatment of Aqueous Biomass and Waste via Supercritical Water Gasification for the Production of CH4 and H2
... These aqueous by-product streams and the aqueous fraction from pyrolysis oil containing high TOC value must then be treated before discharging to the municipal wastewater ...the aqueous by-product ...
109
Formation and stability of food grade water in oil in water emulsions : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Food Technology, Riddet Institute, Massey University, Palmerston North, New Zealand
... internal aqueous phase of multiple emulsions (Omotosho et ...internal aqueous phase of W/O/W emulsions using Span 80 as the hydrophobic emulsifier and NaCN as the hydrophilic emulsifier ...
226
Process for mineral refining
... an aqueous reaction mixture is provided comprising the salt and an aqueous reaction medium, and sulfur dioxide and oxygen are introduced into the aqueous ...the aqueous medium to release the ...
11
NEW PATENTS: July 1974115-120
... Where Sn accompanies Pt (or another Pt group metal) in a supported hydrocarbon conversion catalyst, a more active catalyst is produced when the Sn is supplied to the suppor[r] ...
6
Catalytic Dehydration of Glycerol under Mild Condition: An Environmentally Benign Acrolein Production
... Our expectation was correct as it can be seen in Table 1, with the new catalyst and a higher boiling point of solvent we obtained about three times higher conversion and selectivity was also higher. Consequently, ...
5
Aqueous-phase oxidation of alcohols with green oxidants (Oxone and hydrogen peroxide) in the presence of MgFe2O4 magnetic nanoparticles as an efficient and reusable catalyst
... In conclusion, nanomagnetic-MgFe2 O 4 shows very good catalytic activity/selectivity in the oxidation of primary and secondary alcohols to aldehydes and ketones by oxone or H 2 O 2 in water condition. In both cases, the ...
9
NEW PATENTS: October 1991241-249
... The organic phase resulting from oxidation of methyl benzyl alcohol to H,O, is contacted with a catalyst consisting of a noble metal supported on an Al , 0, containing ca[r] ...
9