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What is the national standard of drinking water grade polyaluminium chloride?

TIME:2023-07-21 17:33:33SOURCE:admin

Polyaluminium chloride has a production process consisting of roller grade polyaluminium chloride and spray polymerized aluminum chloride. Among the sprayed polyaluminium chloride, there are industrial grade polyaluminium chloride and drinking water grade polyaluminium chloride, and the drum type polyaluminium chloride has only industrial grade polyaluminium chloride.


As the name suggests, the main function of drinking water grade polyaluminum chloride is to treat people's daily drinking water, which is mostly used in water treatment plants, and drinking water grade polyaluminum chloride has very strict national standards. The standard is in production, drinking water level polymerized aluminum chloride must be made of high quality calcium aluminate powder and high purity hydrochloric acid as raw material spray dry finishing processing, every 3 months minimum inspection once, the density, oxidation degree, insoluble substance will be tested one by one, as long as there is an unqualified, the whole batch of products are not qualified. Each batch of products need to be attached with quality certificate, including manufacturer, product name, category, batch number, production date, etc. The packaging needs to use two layers of plastic packaging, the inner layer is polyethylene film bag, the outer layer is plastic woven bag, and the storage needs to be in a ventilated and dry warehouse. The shelf life of solid polyaluminum chloride is generally 12 months.


The quality and use of drinking water grade polyaluminum chloride are directly related to people's health problems. Strict standards can better protect people's interests. Once there are quality problems, they should be handled according to the relevant provisions of the product quality law of the people's Republic of China.

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