National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Influence of fly ash containing products after flue gases denitrification to corrosion of metal parts of technological units
Řezanina, Marek ; Tkacz, Jakub (referee) ; Opravil, Tomáš (advisor)
This thesis deals with the influence of fly ash containing residues of flue gas denitrification after SNCR method. There are remains of ammonium compounds and bicarbonate compoudns, especially the hydrogen ammonium sulphate in solid combustion products, when using the SNCR method. This substance itself is corrosive, and it releases ammonium ions to the solution and releases an ammonia gas in case the pH is higher than 9. Because the fly ash gets processed, transported, and if you add lime it also produces the so called stabilizate. it is necessary to think about the corrosion of equipment in which these processes take place. The aim of this thesis is to assess the degree of corrosion of various types of steel in corrosive environments described above.
Influence of fly ash containing products after flue gases denitrification to corrosion of metal parts of technological units
Řezanina, Marek ; Tkacz, Jakub (referee) ; Opravil, Tomáš (advisor)
This thesis deals with the influence of fly ash containing residues of flue gas denitrification after SNCR method. There are remains of ammonium compounds and bicarbonate compoudns, especially the hydrogen ammonium sulphate in solid combustion products, when using the SNCR method. This substance itself is corrosive, and it releases ammonium ions to the solution and releases an ammonia gas in case the pH is higher than 9. Because the fly ash gets processed, transported, and if you add lime it also produces the so called stabilizate. it is necessary to think about the corrosion of equipment in which these processes take place. The aim of this thesis is to assess the degree of corrosion of various types of steel in corrosive environments described above.

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