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In this article, a series of effective catalysts based on betaine and sulfuric or phosphomolybdic acids was obtained. These compositions were characterized by various physicochemical methods and tested in the oxidation of sulfur- and nitrogenous-containing compounds by H2O2. An increase in the amount of heteropolyacid (HPA) leads to a non-linear ch...
Contexts in source publication
Context 1
... to literature data, these systems often have a catalytic activity higher than the initial heteropolyanions [39]. Figure 7 shows the time dependence of the degree of removal of thiophene upon oxidation in the presence of the test catalysts and the degree of removal of thiophene in the presence of SA without H2O2. According to literature data, these systems often have a catalytic activity higher than the initial heteropolyanions [39]. ...
Context 2
... to literature data, these systems often have a catalytic activity higher than the initial heteropolyanions [39]. Figure 7 shows the time dependence of the degree of removal of thiophene upon oxidation in the presence of the test catalysts and the degree of removal of thiophene in the presence of SA without H 2 O 2 . the initial heteropolyanions [39]. ...
Context 3
... initial heteropolyanions [39]. Figure 7 shows the time dependence of the degree of removal of thiophene upon oxidation in the presence of the test catalysts and the degree of removal of thiophene in the presence of SA without H2O2. It can be seen that the highest activity towards the oxidation of thiophene is inherent in PMo2. ...
