讨论了硝酸镁溶液再生时所采用的两种方法：沉降法和压滤法。
Two kinds of methods for the regeneration of magnesium nitrate solution are discussed, which are precipitation method and filter-press method.
利用离子交换树脂脱除湿法磷酸中的镁，讨论脱镁树脂再生剂的选择及通过单因素实验选定再生条件。
The selection of regenerant and determination of regeneration conditions are discussed through single factor experiment for demagnesium to purify WPA by ion-exchange resin.
非木本木质素磺酸镁（ML）来源于造纸厂非木本原料亚硫酸盐制浆废液，属于来源丰富、无毒的可再生生物质资源。
Non-woody magnesium lignosulfonate(ML) is produced as a by-product in the sulphite non-wood pulping, which is a very abundant and innoxious biomass resource.
使用间硝生产中产生的镁尾水替代盐酸作为阳床再生剂对除盐再生系统进行改造。
The desalting regeneration system is revamped by using the magnesium tail water from the intermittent nitric acid production unit to replace hydrochloric acid as the cation bed regenerant.
对离子交换树脂再生盐水回用工艺进行了实验研究。实验结果表明：当HJ-1与HJ-3、HJ-4、HJ-5联合使用时，再生盐水中镁离子的浓度可大幅度地降低。
The researched results show that the combined usage of the chemical agent HJ-1 with HJ-3, HJ-4 and HJ-5 can reduce the concentration of magnesium ions in the saline wastewater.
对离子交换树脂再生盐水回用工艺进行了实验研究。实验结果表明：当HJ-1与HJ-3、HJ-4、HJ-5联合使用时，再生盐水中镁离子的浓度可大幅度地降低。
The researched results show that the combined usage of the chemical agent HJ-1 with HJ-3, HJ-4 and HJ-5 can reduce the concentration of magnesium ions in the saline wastewater.
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