采用静态阻垢试验筛选出具有优异阻垢性能的阻垢剂乙二胺四甲叉膦酸钠(EDTMPS),同时采用室内静态挂片法筛选出具有良好缓蚀性能的缓蚀剂咪唑啉,将两者进行复配,确定了最优配方,并考察了最优配方缓蚀阻垢剂的性能及其缓蚀阻垢机理.结果表明:最优配方为EDTMPS与咪唑啉质量比3∶1,此配方对CaCO3垢的阻垢率为91.3％,对CaSO4垢的阻垢率为98.8％,对BaSO4垢的阻垢率为46.5％,缓蚀率为76.6％;复配缓蚀阻垢剂对CaCO3垢的阻垢性随着加入量的增多、溶液中Ca2+含量的减少、试验温度的降低而上升.
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