公开(公告)号：US20150182918A1

公开(公告)日：2015-07-02

申请号：US14372552

申请日：2013-02-20

申请人： Dow Global Technologies LLC

发明人： Jon E. Johnson ,  Markus Busch ,  Katariina Majamaa ,  Steven Rosenberg ,  Steven D. Jons

IPC分类号： B01D63/12 ,  B01D61/02

CPC分类号： B01D63/12 ,  B01D61/025 ,  B01D2313/14 ,  B01D2313/143 ,  B01D2317/02 ,  B01D2317/025

摘要： The present invention is directed toward a multi-pass hyperfiltration system (38) including at least two passes (42,44) of spiral wound modules positioned in series along a fluid pathway; including: a first pass is located upstream along the fluid pathway with respect to a second pass such that permeate from the first pass is directed along the fluid pathway (40) to the second pass, and each pass comprises a pressure vessel enclosing at least one spiral wound module, each module including at least one hyper-filtration membrane envelop and feed spacer sheet wound about a permeate collection tube, wherein the system is characterized by the first pass comprising a spiral wound module including a feed spacer sheet having a thickness greater 0.65 mm and the second pass comprising a spiral wound module including a feed spacer sheet having a thickness less than 0.65 mm.

摘要翻译： 本发明涉及一种多通道过滤系统（38），其包括沿着流体通道串联定位的至少两个螺旋缠绕模块的通路（42,44）; 包括：第一道次沿着流体路径相对于第二道次位于上游，使得来自第一道次的渗透物沿着流体路径（40）引导到第二道次，并且每道路包括包围至少一个 螺旋缠绕模块，每个模块包括围绕渗透物采集管缠绕的至少一个超过滤膜包封和进料间隔片，其中所述系统的特征在于第一遍，其包括螺旋卷绕模块，其包括厚度大于0.65的进料间隔片 mm，第二道次包括具有厚度小于0.65mm的进料间隔片的螺旋卷绕模块。