色综合久久综合网,1区2区3区4区精品,国产电影免费播放网站,在线成人精品国产区免费,久久古典第1页777,免费观看电视剧的app有哪些,高清版AⅤ免费视频,电影天堂在线观看

Concept: Softening water aims to reduce the hardness of water through physical or chemical means. The hardness of water is mainly composed of cations such as calcium and magnesium. In the process of softening water treatment, the composition and structure of sulfates and chlorides that are prone to scale formation will be changed, making them less prone to scale formation during water heating and evaporation, thereby reducing the hardness of water and achieving the purpose of softening.

General process: The specific methods for softening water treatment include ion exchange method, heat exchange method, chemical precipitation method, and reverse osmosis method, etc