在线客服: 点击这里给我发消息  新用户使用步骤:会员注册→充值→重新登入→进入资源
标题:Selective separation of seawater Mg2+ ions for use in downstream water treatment processes
时间:2019-01-11 23:38:59
DOI:10.1016/j.cej.2011.09.082
作者:Marina Telzhensky;Liat Birnhack;Orly Lehmann;Eial Windler;Ori Lahav
出版源: 《Chemical Engineering Journal》 ,2011 ,175 (1) :136-143
摘要:99% RO brine (for disposal) RO Calcite permeate dissolution Post treatment Product water Fig. 1. Schematic of the proposed Mg2+ separation process and re-injection of the NF brine ...1.2. The proposed process This paper introduces a new method for separating Mg2+ ions from seawater in a fashion that maximizes the Mg2+ concentration in the target solution while ...
大小:416 kb
下载: 点击下载
预览:

浏览器不支持嵌入PDF阅读,打开新页面在线阅读

目录:
  • Selective separation of seawater Mg2+ ions for use in downstream water treatment processes
    • 1 Introduction
      • 1.1 Possible uses for cheap Mg2+-containing solutions within water treatment processes
        • 1.1.1 Addition of magnesium ions to the product water within the post treatment step of desalination plants
        • 1.1.2 Use of Mg2+ salts for recovery and reuse of a phosphorus fertilizer product from wastewater streams
      • 1.2 The proposed process
    • 2 Materials and methods
      • 2.1 Nanofiltration procedure
      • 2.2 Analyses
      • 2.3 Calculations
    • 3 Results and discussion
      • 3.1 Membrane selection
      • 3.2 Effect of trans-membrane pressure
      • 3.3 Effect of recovery on Mg(II) rejection and Na/Mg and Cl/Mg concentration ratios in the brine
      • 3.4 Prevention of chemical fouling at high recovery values without the use of antiscalants
      • 3.5 Discussion regarding the two potential applications of the obtained NF brine
      • 3.6 Cost assessment and conclusion
    • Acknowledgement
    • References

本页内容由网络收集而来,版权归原创者所有,如有侵权请及时联系