It requires change with changes in feedwaterquality conditions, the decolorization effect of hydrophilic poor, COD removal rate.
缺点是需随着水质变化改变投料条件，对亲水性染料的脱色效果差，cod去除率低。
2
Design flux varies depending on feedwaterquality or system design basis. Customers are requested to consult with Asahi Kasei Chemicals Corporation.
设计透水量随进水水质和设计条件不同而改变，有关详情请向本公司咨询联系。
3
This paper provides a feasible control pattern, which improves quality of boiler feedwater and effectiveness of corrosion prevention thus prolongs the period of service life.