Cooling water chemical treatment programs are designed to control deposition and corrosion. In most systems, there is a trade-off between corrosion and deposition control. When the chem..
Cooling water chemical treatment programs are
designed to control deposition and corrosion. In most
systems, there is a trade-off between corrosion and
deposition control. When the chemical treatment program is
optimized for deposition control, corrosion protection is
reduced, and vice versa. Sometimes the cooling water is so
corrosive that chemical treatment cannot economically treat
for both conditions. In these situations, sacrificial anodes
are used to reduce galvanic attack and supplement corrosion
control. Heat exchangers with dissimilar metals in the tube
sheet and shell are good candidates for sacrificial
an
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