A new process for the treatment of wasted liquid by use of the gelation method as a core technology

提出了一种利用凝胶中颗粒固定化处理废胶体悬浮液的新方法。将藻酸盐水溶液和胶体悬浮液的混合物加入氯化钙水溶液中，得到藻酸钙凝胶。凝胶悬浮液在重力作用下排出，然后机械挤出凝胶颗粒。在挤出过程中，胶体颗粒保留在凝胶中，并且挤出的液体是澄清的。该方法可以扩展用于纳米胶体悬浮液、溶解物质和非水胶体悬浮液的处理，条件是向胶体悬浮液中加入适当的物质。

A new method utilizing particle immobilization in gel is proposed for the treatment of wasted colloidal suspensions. A mixture of alginate aqueous solution and colloidal suspension is added to a calcium chloride aqueous solution, resulting in calcium alginate gels. The gel suspension is drained gravitationally, followed by mechanical expression of the gel particles. During the expression, the colloidal particles remain in the gels and the expressed liquid is clear. This method can be extended for the treatment of nanocolloidal suspensions, dissolved matters, and non-aqueous colloidal suspensions, provided that appropriate substances are added to the colloidal suspensions.