渐进冷冻法去除海水中的硼

Boron removal in seawater desalination is the greater problem. In this study, the progressive freezing method was used to remove boron from seawater, and the effects of freezing duration, freezing temperature, and initial concentration on the boron removal rate were investigated during the progressive freezing process. The experimental results show that the progressive freezing method can effectively remove boron from seawater. After freezing seawater at -5 ℃ for 48 h, the average freezing volume was 11.5%, and the boron removal rate reached more than 96.1%. Prolonging the freezing time, lowering the freezing temperature and increasing the initial concentration all reduced the boron removal rate during the progressive freezing process. The present study is intended to provide new ideas for the removal of boron in the desalination process.