Efficient low-phosphorus scale and corrosion inhibitor and preparation method thereof
A scale and corrosion inhibitor, high-efficiency technology, applied in chemical instruments and methods, scale removal and water softening, natural water treatment, etc., to achieve excellent corrosion inhibition performance, improve the effect of corrosion inhibition performance
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Embodiment 1
[0029] Add 10kg of sodium nitrite and 30kg of deionized water into the stirring tank, stir and dissolve; add 15kg of borax to the above solution, stir and dissolve, then add 10kg of zinc sulfate heptahydrate, stir and dissolve; finally add 12kg of 2-phosphine to the reaction kettle Acyl-1,2,4-butanetricarboxylic acid, 12kg polyepoxysuccinic acid, 15kg acrylic acid / 2-acrylamide-2-methylpropanesulfonic acid copolymer; stir evenly at room temperature for 20-30min to obtain high-efficiency Low phosphorus scale and corrosion inhibitor.
Embodiment 2
[0031] Add 5kg of sodium nitrite and 20kg of deionized water into the stirring tank, stir and dissolve; add 10kg of disodium octaborate tetrahydrate to the above solution, stir and dissolve, then add 15kg of zinc chloride, stir and dissolve; Add 5kg of hydroxyethylene diphosphonic acid, 10kg of polyepoxysuccinic acid, and 10kg of acrylic acid / propylene sulfonate sodium copolymer; stir evenly at room temperature for 20 to 30 minutes to obtain a high-efficiency low-phosphorus scale and corrosion inhibitor.
Embodiment 3
[0033] Add 15kg of sodium nitrite and 50kg of deionized water into the stirring tank, stir and dissolve; add 20kg of potassium tetraborate to the above solution, stir and dissolve, then add 5kg of zinc chloride, stir and dissolve; finally add 10kg2 -Hydroxyphosphinoacetic acid, 15kg polyaspartic acid, 20kg acrylic acid / 2-acrylamide-2-methylpropanesulfonic acid / hydroxypropyl acrylate terpolymer; stir evenly at room temperature for 20-30min to obtain high-efficiency and low-efficiency Phosphorus scale and corrosion inhibitor.
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