| 去除地下水硬度的方法有多种 |
| 添加时间：2025/6/16 21:12:44 浏览次数： |
| 膜软化法是利用分离膜的选择透过性实现高效自动化除硬。常用的膜技术有管式微滤膜、纳滤膜和反渗透膜等。 The membrane softening method utilizes the selective permeability of the separation membrane to achieve efficient and automated hardness removal. The commonly used membrane technologies include tubular microfiltration membranes, nanofiltration membranes, and reverse osmosis membranes. 管式微滤膜软化：在系统前处理的反应池中加入软化药剂，再用管式膜将沉淀物拦截。这种方法可以短时间完成过滤，无需额外投加絮凝剂，过滤效果优异。 Tube type microfiltration membrane softening: Add softening agents to the reaction tank of the system pre-treatment, and then intercept the precipitate with a tube type membrane. This method can complete the filtration in a short time without the need for additional flocculants, and has excellent filtration effect. 纳滤膜软化：纳滤膜利用其对不同溶质的选择透过性能有效截留水中的二价离子（如钙、镁离子），同时保留部分一价离子。这种方法多用于原水为地下水的饮用水处理，除了能去除硬度外，还能脱除色度、农药、可溶性有机物等物质。 Softening of nanofiltration membrane: Nanofiltration membrane effectively intercepts divalent ions (such as calcium and magnesium ions) in water by utilizing its selective permeability to different solutes, while retaining some monovalent ions. This method is commonly used for treating drinking water with groundwater as the raw water. In addition to removing hardness, it can also remove substances such as color, pesticides, and soluble organic matter. 反渗透膜软化：反渗透膜具有超高的脱盐能力，可以大幅度地截留水中的钙、镁离子，达到除硬要求。但采用反渗透膜除硬时需要注意阻垢剂的添加和回收率的设定等工作，防止发生结垢现象。 Softening of reverse osmosis membrane: Reverse osmosis membrane has ultra-high desalination ability, which can significantly intercept calcium and magnesium ions in water, meeting the requirements of hardness removal. However, when using reverse osmosis membranes for hardness removal, attention should be paid to the addition of scale inhibitors and the setting of recovery rates to prevent scaling. 综上所述，去除地下水硬度的方法有多种，具体选择哪种方法应根据水质特点、处理规模和经济成本等因素综合考虑。 In summary, there are various methods for removing groundwater hardness, and the specific choice of method should be comprehensively considered based on factors such as water quality characteristics, treatment scale, and economic costs. |
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