Calcium based scale inhibitor and scale prevention in pulp production process water system

摘要

Problem to be solved: to provide a scale preventive agent and a scale prevention method for effectively preventing calcium based scale adhesion in a water system.Solution: a calcium based scale inhibitor containing a copolymer comprising a constituent unit derived from (meta) acrylic acid and a constituent unit derived from (meth) ethyl acrylate. Further, phosphonic acid compounds may be included. The calcium system scale prevention method in which the scale inhibitor is added to the water system to be treated.No selection