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The Synthesis and Efficiency Assessment of Green Scale Inhibiter Polyaspartic Acid
Author(s): 
Pages: 31-33
Year: Issue:  1
Journal: ENVIRONMENTAL PROTECTION OF OIL & GAS FIELDS

Keyword:  绿色阻垢剂聚天冬氨酸马来酸酐合成生物降解;
Abstract: 采用马来酸酐与氨水进行溶液聚合的方法制备聚天冬氨酸,利用静态阻垢法评价了聚天冬氨酸的阻垢性能.结果表明:聚天冬氨酸对ρ(Ca2+)=300mg/L,ρ(HCO-3)=300mg/L的水样阻垢率可以达到90%以上;在ρ(HCO-3)低于400mg/L时,药剂的阻垢率可达到100%;当ρ(HCO-3)大于400mg/L后,药剂阻垢性能降低明显.聚天冬氨酸具有良好的生物降解性,生物降解率可以达到70%.
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