行业沿革
国际
20世纪60年代 电容吸附技术(CDI) 概念产生
20世纪70年代 创建理论模型
20世纪90年代 发表研究论文、研制装置
21世纪初 技术受到关注,深入研究。
国内
20世纪末 清华大学初步参数研究、上海大学和同济大学电极材料研究
2007年7月 常州爱思特净化设备有限公司中试及工业示范
2016年 中成永续研发海水淡化CDI电脱盐实验装置
行业现状
<span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;<br>font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">美国</span><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:Calibri;<br>mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";mso-font-kerning:<br>1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:<br>AR-SA">Sabrex of Texas</span><span style="font-size:10.5pt;mso-bidi-font-size:<br>12.0pt;font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">,</span><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:Calibri;<br>mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";mso-font-kerning:<br>1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:<br>AR-SA">Inc.</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;<br>font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">公司研发电吸附装置,并在</span><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:Calibri;<br>mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";mso-font-kerning:<br>1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:<br>AR-SA">1998</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;<br>font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">年与美国国防先进技术研究中心合作,研究海水淡化装置供美军使用。</span><!--EndFragment--> <br>
<span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;<br>font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">国内对电吸附的研究仍主要集中在实验室、中试和工业示范阶段,缺乏在大型实际工程中的广泛应用。</span><!--EndFragment--> <br>
行业前景
<span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;<br>font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;<br>mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:<br>EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">目前常见的传统脱盐技术有反渗透法、离子交换法和电渗析法等,这些方法均存在着许多局限性。如采用反渗透法,系统对水的预处理要求很高,高压泵能耗高,得水率较低,制水成本高;采用离子交换法,再生酸碱费用高,再生废液很容易对环境造成二次污染,系统操作要求高;采用电渗析法,运行过程中阴极和阳极膜上容易结垢,从而影响出水水质,并缩短仪器的使用寿命且耗电量、耗水量都很高。</span><br>
<span style="font-family: 宋体;">与传统的水处理技术相比较,</span><span lang="EN-US">CDI </span><span style="font-family: 宋体;">具有几个突出的优点:其电极再生过程不会带来二次污染、能耗低、成本低、操作简单、易于自动化和大面积使用。</span><br><!--EndFragment-->