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根据山东平原县地下水中铁锰含量高的特点，用天然锰砂可以从地下水中吸滤去除铁、锰等有害元素，而且可长期使用又无需专门的再生处理。再配以活性炭吸附，离子交换，电渗析等净化、分离设备，即可将不符合卫生标准的地下水制成高质量的生活饮用水。CHZ－02型净化水装置正是基于这些技术研制而成的，运行一年多，其操作及处理效果均良好。
According to the characteristics of high iron and manganese content in groundwater in Shandong Plain County, natural manganese sand can be used to remove harmful elements such as iron and manganese from groundwater, and it can be used for a long time without special regeneration treatment. Combined with activated carbon adsorption, ion exchange, electrodialysis and other purification, separation equipment, groundwater that does not meet the health standards can be made into high-quality drinking water. The CHZ-02 purified water device is based on these technologies and has been operating for more than one year. Its operation and treatment results are good.