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Positively charged composite nanofiltration membrane for treating heavy metal ions containing wastewater, contains separation functional layer composed of epoxypropyltrimethylammonium chloride chitosan, crosslinking agent and solvent. 专利
申请日期: 2017-01-01, 公开日期: 2017-08-22
作者:  HAN R TENG D MA X DAI Y
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/03
Finishing printing and dyeing wastewater recovery device includes wastewater collecting pool, self-cleaning filter, ultrafiltration film component, nanofiltration membrane component, and reducing agent and scale inhibitor addition system. 专利
申请日期: 2015-01-01, 公开日期: 2015-05-13
作者:  DAI W XU X YANG F ZHANG Y
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/09


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