配方类型:

MISCELLANEOUS

配方说明:

Citric Acid Cleaning Solution for Membrane Cleaning (pH 3.5, for
Iron Fouled Membranes)

配方组成:

配制方法:

Dissolve 10 lb citric acid anhydrous in 500 gal water to make a 0.25% solution of citric acid. Neutralize to pH 3.5 using approximately 3 lb ammonium hydroxide. Recirculate at normal operating pressures for 15 min at 100-110 F. Shut off pump and let soak for 15 min. Recirculate with no back pressure for 15 min. Flush systems with water until clear.