M

MgOHMgCa moleMass

MsodAsh MsodAshCa

M, sodAshMgCa

MsolidsCarb MsolidsNonCarb

Fraction of mass of magnesium noncarbonate hardness removed Fraction of Mg(HCO3)2 removed

Milligramequivalent per liter of the bicarbonate ion in the treated water

Equilibrium constant Solubility product constant

Mass of noncarbonate hardness of calcium removed Mass of calcium carbonate solids produced from the precipitation of the noncarbonate hardness of calcium Mass of calcium carbonate solid produced from the calcium bicarbonate removed

Mass of calcium carbonate solids produced from reaction of lime with dissolved carbon dioxide

Mass of calcium carbonate solids produced from the precipitation of the calcium that results from the precipitation of the noncar-bonate hardness of magnesium

Mass of calcium carbonate produced from the precipitation of the magnesium bicarbonate removed Mass of Ca(HCO3)2 removed

Mass of lime needed to precipitate the Ca(HCO3)2 removed Mass of lime used in the lime-soda process in kg Mass of lime needed for the dissolved carbon dioxide Mass of excess lime in kg needed to raise pH to 10.4 Mass of lime needed to precipitate the noncarbonate hardness of magnesium removed

Mass of lime needed to precipitate the Mg(HCO3)2 removed Mass of dissolve carbon dioxide

Concentration of the magnesium ion in equivalents per unit volume

Milligramequivalent per liter of the magnesium ion in the treated water

Concentration of equivalent magnesium ions Mass of noncarbonate hardness of magnesium removed Mass of magnesium bicarbonate removed Mass of magnesium hydroxide solid produced from the magnesium bicarbonate removed

Mass of magnesium solids produced from the removal of the noncarbonate hardness of magnesium Molecular mass

Amount of soda ash required in the lime-soda process Mass of soda ash needed to precipitate the noncarbonate calcium hardness removed

Mass of soda ash needed to precipitate the calcium produced from the removal of the noncarbonate hardness of magnesium Mass of solids produced from the removal of carbonate hardness Mass of solids produced from the removal of noncarbonate hardness

Msoiids Mass of solids produced in the lime-soda process

MTCa Total mass of noncarbonate hardness of calcium

Mt CaHCo3 Total mass of Ca(HCO3)2

MTMg Total mass of noncarbonate hardness of magnesium

Mt MgHCo3 Total mass of Mg(HCO3)2

[Na+]meq Milligramequivalent per liter of the sodium ion in treated water

[ NO-]meq Milligramequivalent per liter of the nitrate ion in treated water inf Milligramequivalent per liter of the nitrate ion in influent to softening plant qb Bypass flow in the split-treatment mode

Q Inflow to softening plant

Mg1 Concentration of magnesium in influent from first stage of split-

treatment softening plant

Mg f Concentration of magnesium in treated water

Mgr Concentration of raw water to softening plant ratioChem Chemical ratio

[ SO2~]meq Milligramequivalent per liter of the sulfate ion in treated water

[ SO2-]meq, inf Milligramequivalent per liter of the sulfate ion in influent to softening plant

V Volume of water softened in cubic meters

Ysi Volume of sludge in cubic meters

Healthy Chemistry For Optimal Health

Healthy Chemistry For Optimal Health

Thousands Have Used Chemicals To Improve Their Medical Condition. This Book Is one Of The Most Valuable Resources In The World When It Comes To Chemicals. Not All Chemicals Are Harmful For Your Body – Find Out Those That Helps To Maintain Your Health.

Get My Free Ebook


Post a comment