What is the national standard for drinking water grade polyaluminium chloride?
Polyaluminium chloride has a production process of drum-grade polyaluminium chloride and spray-type polyaluminium chloride, of which spray-type polyaluminium chloride has industrial-grade polyaluminium chloride anddrinking water grade polyaluminium chlorideRoller type polyaluminium chloride only industrial grade polyaluminium chloride.
drinking water grade polyaluminium chlorideIt has non-toxic and harmless, high water purification safety, fast response, low dosage, fast sedimentation, etc. After being dissolved in water, the appearance is colorless or yellow transparent, the water solubility is good, the mass of insoluble materials is very small, excessive dosage will not produce negative effects, and it is easy to operate and manage. Drinking water grade polyaluminium chloride and industrial grade polyaluminium chloride are very similar in appearance and should not be confused in use.
drinking water grade polyaluminium chlorideAs the name implies, the most important role is to deal with people's daily drinking water, mostly in the use of water treatment plants, and drinking water grade polyaluminum chloride has a very strict national standards. The standard is that in production, drinking water grade polyaluminum chloride must be made by spray drying and finishing with high quality calcium aluminate powder and high purity hydrochloric acid as raw materials, and shall be inspected at least once every 3 months. The density, oxidation degree and insoluble substances will be inspected one by one. As long as one item is unqualified, the whole batch of products are unqualified. Each batch of products shall be attached with a quality certificate, including manufacturer, product name, category, batch number, production date, etc. Need to use on the packaging2Layer plastic packaging, the inner layer is polyethylene film bag, the outer layer is plastic woven bag, storage needs to be in a ventilated and dry warehouse, solid polyaluminum chloride shelf life is generally12Months.
drinking water grade polyaluminium chlorideThe quality and use of is directly related to people's life and health problems, strict standards can better protect people's interests, once the quality problems, according to the relevant provisions of the product quality law.
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