Tratamento de águas de refrigeração com peróxido de hidrogênio


Autoria(s): Peres,Fernando Antonio Serrapio; Teixeira,Luiz Alberto Cesar; Yokoyama,Lídia; Campos,Juacyara Carbonelli; Miguel,Marco Antônio Lemos
Data(s)

01/01/2008

Resumo

Hydrogen peroxide and chlorine are compared as possible disinfectants for water-cooling circuits. To this purpose, samples taken from the cooling system of a steel making plant were treated (at 25ºC and pH values of 5.5 and 8.5) with varying amounts of the two oxidizing agents (0.0 mg/L, 2.0 mg/L and 6.0 mg/L). The results were evaluated through bacterial counting and measurement of corrosion rates upon AISI1020 carbon steel coupons. Bacterial removal and corrosion effects proved to be similar and satisfactory for both reagents.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000700042

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.31 n.7 2008

Palavras-Chave #cooling water #corrosion #biocide
Tipo

journal article