The influence of the conditions and worktime on the waste vanadic catalyst amount

Abstract

The influence of the conditions and worktime on the waste vanadic catalyst amount This paper includes the research results of the vanadic catalyst study that was operated in PCC Rokita S.A. during a gaseous SO3 formation. The physical properties have been studied: mechanical strength, bulk density and grindability during the five-year cycle of the catalyst worktime. The studies presented underline the prediction of the amount of the formed vanadic waste material.

High-throughput technology for novel SO2oxidation catalysts

“…Microreactors using supported platinum catalysts [14,15], catalyst recycling [30][31][32][33], and the stabilization of the vanadium phase by iron oxide doping [34] have been the subjects of recent academic interest in sulfuric acid catalysis. Figure 2 may hint to new developments in SO 2 oxidation catalysts.…”

Phase Diagram for the Na2SO4 + KVO3 + NaVO3 + K2SO4 + H2O System at 303.15 K and 323.15 K

“…Direct leaching of vanadium compounds from a spent catalyst with water, acid, or alkali solutions is much better than the sintering methods. One way to use this annoying waste is to recover vanadium compounds through leaching with different media such as NaOH, KOH, H 2 SO 4 , CO­(NH 2 ) 2 . ,− A method for recovering vanadium compounds by extraction with concentrated solutions of sodium hydroxide or sodium carbonate is known from the Polish patent no. 177 606.…”