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different drawbacks such as difficulty in separation of the catalysts from the product stream, requirement of large amount of catalyst, and disposal of the solid waste formed during the reaction. Furthermore, the cost of process installation and maintenance
(“special purity” grade) from an aqueous solution followed by thorough washing by distilled water. The sample weight was 5.0 g. The grain size of the metal ranged between 0.5 and 1.0 mm. After placing the sample into the vacuum installation, it was subjected
, copper acetate monohydrate) or solvents were of p.a. purity and were also used as such. Water was deionized by a Millipore installation. Support functionalization The functionalization of the supports concerns the
and H 2 O, occurring on supported metal catalysts (Pt and its alloys, Pd), is widely used for the removal of toxic impurities in the exhaust gases of numerous installations, in particular in transport vehicles [ 14 ]. In several scientific papers, Au
occupies 6.5 Å 2 . Temperature-programmed surface reactions H 2 temperature program reduction (H 2 TPR) was conducted in an installation composed by: a gas introduction unit, a U shaped reactor and a thermal
