| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide highly concentrated bittern where minerals lost at least at a time of cristallization of salt are supplemented with mineral retentate separated by a multiplex electrical dialysis device. <P>SOLUTION: The highly concentrated bittern comprises bittern N, and deep water-originating mineral retentate M separated from deep seawater so as to supplement mineral components lost in a process of generating the bittern. The deep seawater-originating mineral retentate is obtained by eliminating thick salt water 24 from concentrated deep seawater 22 obtained by separating the deep seawater 2 in a multiplex electrical dialysis device 6, and abundantly contains ionized miner mineral components. The deep seawater comprises Japan sea-inherent cool water 3, the bittern comprises Japan sea-inherent electrical dialysis-based bittern 35 using concentrated salt water 34 obtained by separating the Japan sea-inherent cool water by the multiplex electrical dialysis device, and the deepseawater-originating mineral retentate comprises high-purity mineral retentate 33 obtained by separating the Japan sea-inherent cool water by the multiplex electrical dialysis device. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
