| 摘要 |
<p>A manufacturing method for zero-valent iron stabilized by alginate and alginate-silicate beads, according to an embodiment of the present invention includes the following steps: forming a mixture solution by combining aqueous solutions of iron chloride and calcium chloride and stirring the same; synthesizing calcium-iron-alginate beads by adding an aqueous solution of sodium alginate into the above solution drop-by-drop; washing and drying the synthesized calcium-iron-alginate beads; and injecting a reducing agent into the dried calcium-iron-alginate beads, to manufacture the zero-valent iron. [Reference numerals] (AA) Ca-Fe alginate beads synthetic step; (BB) Stabilized nZVI manufacturing step; (CC) Generate Ca-Fe alginate beads; (DD) Generate stabilized nZVI; (S1) Manufacture a Fe and Ca ion solution; (S10) Vacuum storage/Storage; (S2) Manufacture an alginate solution; (S3) Mix and stir the manufactured solution; (S4) Add a Na alginate solution in the mixed solution; (S5) Wash the generated bead; (S6) Drying; (S7) Reduct the Ca-Fe alginate beads; (S8) Wash the reducted beads; (S9) Vacuum drying</p> |
