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1
Content available remote The influence of iron compounds in the sulfuric acid catalyst on the SO2oxidation process
100%
Grobela M. , Grzesiak P.
Polish Journal of Chemical Technology
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2007
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tom 9
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nr 1
2-6
EN
The catalytic oxidation process of SO2 to SO3 is the main stage of sulfuric (VI) acid production. The process run could be disordered by reason of the increased inactivation of sulfuric acid catalyst during SO2 oxidation process. This paper includes the influence study of the iron quantity and forms, which is introduced into the catalyst active phase, on the reaction rate of the SO2 oxidation process.
2
Content available remote The dependance of an activity of vanadium catalysts on a carrier regeneration method and an active phase composition
80%
Grzesiak P. , Grobela M. , Hłyń T. , Łukaszyk J.
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nr 4
107-110
EN
The results of the research studies concerning the reaction rate of SO2 oxidation on the vanadium catalysts have been described. A carrier of the active phase - silica has been regenerated from spent vanadium mass by leaching with H2SO4 solution. The dependence of the oxidation reaction rate on the method of treating a catalyst carrier as well as the composition of an active phase of the new catalyst systems has been also presented.
3
Content available remote The influence of the catalyst worktime on SO2emission quantity from the sulfuric acid system and the catalyst waste material
80%
Grzesiak P. , Grobela M. , Motała R.
Polish Journal of Chemical Technology
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2007
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tom 9
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nr 3
134-137
EN
The catalytic process of SO2 to SO3 oxidation is the main step of sulfuric (VI) acid formation. The sustained catalyst operating due to its structural and textural modifications could disturb the process course. This paper includes the influence of the vanadic catalyst worktime on SO2 emission and the expected amount of the obtained waste material of the inactivated catalyst.
4
Content available remote The influence of the conditions and worktime on the waste vanadic catalyst amount
70%
Grzesiak P. , Motała R. , Grobela M. , Trypuć M. , Mazurek K.
Polish Journal of Chemical Technology
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2007
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tom 9
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nr 3
73-76
EN
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.
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