Polymaleic acid boiler scale-inhibition corrosion inhibitor
A scale and corrosion inhibitor, polymaleic acid technology, applied in the direction of scale removal and water softening, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of unsatisfactory effect, small molecular weight, high temperature resistance Poor and other problems, to achieve the effect of safe use, excellent scale inhibition performance, thermal efficiency improvement
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[0011] Example 1. Add 15 kg of polyepoxysuccinic acid with a molecular weight of 800 and a content of 50% to 50 kg of polymaleic acid with an average molecular weight of 5500 and a content of 50%. Then add 2 kg of citric acid and 10 kg of zinc salt. Precipitation is to obtain polymaleic acid boiler scale and corrosion inhibitor.
Example Embodiment
[0012] Example 2. Add 20 kg of polyepoxysuccinic acid with a molecular weight of 800 and a content of 50% to 60 kg of polymaleic acid with an average molecular weight of 6500 and a content of 50%. Then add 3 kg of citric acid and 12 kg of zinc salt. Precipitation is to obtain polymaleic acid boiler scale and corrosion inhibitor.
Example Embodiment
[0013] Example 3. Add 25 kg of polyepoxysuccinic acid with a molecular weight of 800 and a content of 50% to 70 kg of polymaleic acid with an average molecular weight of 8600 and a content of 50%. Then add 4 kg of citric acid and 14 kg of zinc salt. Precipitation is to obtain polymaleic acid boiler scale and corrosion inhibitor.
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