cationic pam polyacrylamide msds water chemical certificate for sale
Drinking Water Treatment – Anion Exchange Units EFFECTIVE AGAINST: Negatively charge ions, such as nitrates , bicarbonate, sulfate , selenium, and some compounds of arsenic . NOT EFFECTIVE AGAINST: Positively charged ions such as iron, magnesium, calcium or manganese.
Chloride and hydroxide ions are the most commonly used in these treatment systems. The most common application for anion exchange units is the removal of nitrate, arsenic, and bicarbonate. Types of Units. Once a water test indicates that an ion exchange unit is necessary, unit selection depends on how much treated water you need.
