The principles and characteristics were briefly described on the methods of acid dissolution, alkali dissolution, ion exchange and membrane separation for aluminum salt recovery.
简述了铝盐回收的主要方法，分别为酸溶法、碱溶法、离子交换法和膜分离法，对每一种方法的原理和特点作了介绍。
The coordination compound formation mechanism of metal ion with NTO in alkali aqueous solution is discussed.
讨论了金属离子与NTO必需在碱性水中才能形成NTO的金属配合物机理。
By adopting highly pure acid and alkali to substitute industrial acid and alkali for regeneration of ion exchange resin in Pucheng Power-Generation Co Ltd, a good effectiveness has been obtained.
蒲城发电有限责任公司采用高纯酸碱替代工业酸碱用于离子交换树脂的再生，取得良好效果。
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