公开(公告)号：US20210340032A1

公开(公告)日：2021-11-04

申请号：US17325378

申请日：2021-05-20

申请人： Massachusetts Institute of Technology ,  Kuwait University

发明人： Bader Shafaqa Al-Anzi ,  Sumaya Al-Hammadi ,  Junghyo Yoon ,  Jongyoon Han

IPC分类号： C02F1/469 ,  B01D61/46 ,  B01D61/02 ,  B01D61/58 ,  B01D61/00 ,  C02F1/06 ,  C02F1/44 ,  B01D3/06

摘要： The present invention provides for the use of recirculation loops in single- or multi-stage electrical desalination processes such as Ion Concentration Polarization (ICP) desalination and concentration processes.

公开(公告)号：US10252924B2

公开(公告)日：2019-04-09

申请号：US14920992

申请日：2015-10-23

申请人： Massachusetts Institute of Technology

发明人： Bumjoo Kim ,  Jongyoon Han ,  Rhokyun Kwak ,  Bader Shafaqa Al-Anzi

IPC分类号： C02F1/469 ,  C02F1/46 ,  B01D61/42 ,  C02F103/08 ,  C02F101/10 ,  C02F101/30 ,  C02F101/32

摘要： A water stream is passed between two juxtaposed similar ion exchange membranes (AEMs or CEMs), forming an ion depletion and ion enrichment zones when an electric field is applied. As cations are selectively transferred through the CEMs, for example, anions are relocated in order to achieve electro-neutrality, resulting in the concentration drop (increase) in ion depletion (enrichment) zone. Trifurcation of the output channel allows collection of concentrated, dilute and intermediate streams, with the intermediate stream serving as input to the next stage of a serialized implementation.