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離子交換是指采用離子交換樹脂，與水溶液中的各種離子之間發(fā)生等物質(zhì)的可逆交換，從而使水質(zhì)改善，而離子交換樹脂的結(jié)構(gòu)并不發(fā)生實(shí)質(zhì)性變化的水處理方式。用來(lái)裝載離子交換樹脂的設(shè)備稱為離子交換器。根據(jù)所裝載的樹脂種類不同，其去除的例子種類和實(shí)現(xiàn)的功能也不同。離子交換法是早期最常使用，最普及的水處理方法，無(wú)論是鍋爐用水得軟化，脫堿軟化，除鹽水，純水，超純水的設(shè)備，還是工業(yè)廢水處理，重金屬及貴重金屬回收等場(chǎng)合均可采用的離子交換法來(lái)進(jìn)行。離子交換設(shè)備是一種傳統(tǒng)的、工藝成熟的脫鹽處理設(shè)備，其原理是在一定條件下，依靠離子交換劑(樹脂)所具有的某種離子和預(yù)處理水中同電性的離子相互交換而達(dá)到軟化、除堿、除鹽等功能。用于深度脫鹽處理，產(chǎn)水電阻率動(dòng)態(tài)可達(dá)到18MΩ·cm。
Ion exchange refers to the use of ion exchange resin, and a variety of ions in the water solution between the reversibility of material exchange, so as to improve the water quality, and the structure of ion exchange resin does not change substantially.The equipment used to load ion exchange resins is called an ion exchanger.Depending on the type of resin loaded, the types of examples removed and the functions implemented vary.Ion exchange b is the most commonly used and the most popular water treatment b in the early days, whether it is boiler water softening, alkali softening, demineralization, pure water, ultra-pure water equipment, or industrial wastewater treatment, heavy bls and precious bl recovery occasions can be used for ion exchange b.Ion exchange equipment is a traditional and mature desalination treatment equipment, its principle is that under certain conditions, the ion exchange agent (resin) has a certain ion and the pretreatment water with the same electrical ion exchange to achieve softening, alkali, salt and other functions.For deep desalting treatment, water resistivity can be up to 18 m dynamic Ω · cm.