Treatment of potable water

摘要

Methods and systems for treating water for potable use or consumption are described. In an embodiment, a method for treating water for potable may include adding an effective amount of a magnesium compound to supply water to be treated. The method may also include adding an effective amount of a flocculation aiding metal salt to the supply water. The method may further include removing one or more contaminants from the supply water to provide treated water. Other methods and systems are described.

主权项

1. A method comprising:
adding an effective amount of a magnesium compound to supply water to be treated, wherein the magnesium compound includes magnesium hydroxide exhibiting an alkaline magnesium hydroxide purity of between about 85% to about 100%; a caustic magnesia activity of between about 50 seconds to about 1440 minutes; a particle size of between about 0.1 micron to about 50 microns; a specific surface area of between about 9 m2/g to about 200 m2/g; and a stabilized residuals test value of between about 1 milligram to about 50 grams; adding an effective amount of a flocculation aiding metal salt to the supply water; and removing one or more contaminants from the supply water to provide treated water.