去离子水制取工艺及其特点
Deionized water production process and its characteristics
1、离子交换树脂制取去离子水的传统水处理方式，其基本工艺流程为：
1. The traditional water treatment method for deionized water production by ion exchange resin has the following basic technological processes:
原水→多介质过滤器→活性炭过滤器→精密过滤器→阳床→阴床→混床→后置保安过滤器→用水点。
Raw water Multimedia filter Activated carbon filter Precision filter Sunbed Yinbei Mixed bed Posterior security filter Water point.
（特点：污染比较大，自动化程度低，初期投入低）
(Characteristic: Big pollution, low automation and low initial investment)
2、反渗透水处理设备与离子交换设备进行组合制取去离子水的方式，其基本工艺流程为：
2. The combination of reverse osmosis water treatment equipment and ion exchange equipment to produce deionized water. Its basic technological process is as follows:
原水→多介质过滤器→活性炭过滤器→精密过滤器→反渗透设备→混床→超纯水箱→超纯水泵→后置保安过滤器→用水点。
Raw water Multimedia filter Activated carbon filter Precision filter Reverse osmosis equipment Mixed bed Ultra-pure water tank Ultra-pure water pump Post-installed security filter Water point.
（特点：污染小，自动化程度高，初期投入中等，价格适中）
(features: low pollution, high automation, medium initial investment, moderate price)
3、反渗透设备与电去离子（EDI）设备进行搭配制取去离子水的的方式，这是一种制取超纯水的最新工艺，也是一种环保，经济，发展潜力巨大的超纯水制备工艺，其基本工艺流程为：
3. Reverse osmosis equipment and electrodeionization (EDI) equipment are matched to produce deionized water. This is the latest process for producing ultrapure water. It is also a process for preparing ultrapure water with great potential for environmental protection, economy and development. Its basic technological process is as follows:
原水→多介质过滤器→活性炭过滤器→精密过滤器→反渗透设备→电去离子（EDI）→超纯水箱→超纯水泵→后置保安过滤器→用水点。
Raw water Multimedia filter Activated carbon filter Precision filter Reverse osmosis equipment Electrodeionization (EDI) Ultra-pure water tank Ultra-pure water pump Post-installed security filter Water point.
（特点：环保，自动化程度高，初期投入大，价格相对比较贵。
Features: Environmental protection, high degree of automation, large initial investment, relatively expensive price.