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Dibasic Sodium Phosphate
White powder, flake or granular material.
effect:Disodium hydrogen phosphate can be used in the production of citric acid, water softener, fabric weight, fire retardant, and used in glazes, welding flux, medicine, pigment, food industry and making other phosphates used as industrial water treatment agent, printing and dyeing detergent cultivate agent, quality improver, neutralizer, antibiotics, biochemical treatment food quality improver.
storage:25 kg, 50 kg in plastic woven bags outside packing. Sealed, moisture, dry warehouse.
Spray drying method to add 12 water disodium hydrogen phosphate to dissolve in the dissolving tank heating, add a small amount of industrial phosphoric acid, regulating pH8.8-9.0:80-85 ℃ solution temperature, pumped to the metering tank, the spray atomization, atomizer chooses two streaming steam nozzle, the steam pressure of 0.15-0.3 Mpa, atomizer steam flow guide Angle and horizontal into 30 °, gas-liquid ratio (0.4 ~ 5) : 1. Hot furnace gas inlet temperature 650-750 ℃. And flow drying, but also can dry upstream. Such as countercurrent dry, inlet temperature 620-650 ℃, outlet temperature of 140 ~ 150 ℃. Finished product granularity of about 90 microns (60%), moisture content < 1%. Anhydrous disodium hydrogen phosphate was finished.
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