一种复合型无磷缓蚀阻垢剂的研制

以2-丙烯酰胺基-2-甲基丙磺酸（AMPS）、缓蚀剂A、锌盐、抗坏血酸为原料进行复配，开发出一种复合型无磷缓蚀阻垢剂。通过静态阻垢实验、旋转挂片腐蚀实验、动电位电化学测试实验对配方进行筛选和测定。结果表明在各组分质量比为：2-丙烯酰胺基-2-甲基丙磺酸（AMPS）：苯并三氮唑：锌盐：缓蚀剂A=5：0．3：1．2：4，复合型无磷缓蚀阻垢剂质量浓度为40mg／L时，缓蚀率达到92．89％，阻垢率达到95．12％。通过与传统含磷配方对比，该复合型无磷缓蚀阻垢剂与传统含磷配方缓蚀率相当，阻垢率提高1．91％，成本降低16．67％。由于该配方无磷，不会造成环境富营养化，具有明显环境与经济效益。

Research on a complex phosphate-free corrosion and scale inhibitor

A complex phosphate-free corrosion and scale inhibitors is made from 2 - acrylamido - 2 - methylpropane sulfonic acid （AMPS）, inhibitor A, zinc salt , ascorbic acid. The formulations is se- lected from the static scale inhibition experiments and rotation coupon corrosion test. The results show when the quality of each component： 2 -acrylamido -2 -methylpropane sulfonic acid （AMPS） ： BTA： zinc salts： inhibitor A = 5： 0. 3： 1.2：4 and when the dosage of the phosphate-free corrosion and scale inhibitor was 40 mg/L, the maximum inhibition and scale inhibition exceeded 92. 89% and 95.12% , respectively . Compared with the traditional corrosion and scale inhibitors , the corrosion inhibition ef- ficiency of this complex phosphate-free corrosion and scale inhibitors is almost the same, the inhibi- tion rate increased by 1.91%, and cost reduced by 16.67%. Since the recipe is Phosphate-free, it does not cause environmental eutrophication, so it has obvious environmental and economic benefits.