Anticorrosion Behaviour of Calcareous Deposits Formed on Steel Heat-Exchange Surfaces

Table 1

Water chemical composition.

Parameter		Units	Value
рН			7.8–8.0
Dissolved oxygen	DO	mg/l	6.0
Total hardness	TH	mmol/l	3.9–4.2
Total alkalinity	TA	mmol/l	3.9–4.1
Calcium	Сa^2+	mmol/l	3.0–3.1
Magnesium	Mg^2+	mmol/l	0.9–1.1
Chloride	Cl^–	mg/l	18–25
Sulfate		mg/l	30–35
Hydrocarbonate		mmol/l	3.2–3.5
Total dissolved solids	TDS	mg/l	240–260