The invention relates to a formaldehyde purifying agent and a preparation method thereof.
本发明涉及一种甲醛净化剂及其制备方法。
Objective To simplify the detection method of sulfate in the water purifying agent poly aluminium chloride.
目的简化净水剂聚氯化铝中硫酸根的分析方法。
This invention is a kind of treating potable water method with iron hydroxide and aluminium hydroxide water-purifying agent.
本发明是一种氢氧化铁及氢氧化铝净水剂处理饮用水的方法。
The said method is used for muddy water made up from extra-fine impurities, its water-purification efficiency is over three times that of basic aluminium chloride water-purifying agent;
该方法用于超细杂质形成的浊水，其净水效率是碱式氯化铝净水剂的三倍以上；
The said method is used for muddy water made up from extra-fine impurities, its water-purification efficiency is over three times that of basic aluminium chloride water-purifying agent;
该方法用于超细杂质形成的浊水，其净水效率是碱式氯化铝净水剂的三倍以上；
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