Is there any third party doing best pda quality test?

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What impurities can be removed from the water by precipitation, filtration and disinfection? Precipitation and filtration can remove particles (difficult to dissolve) impurities in water, mainly sediment, animal and plant limbs and the like.Disinfection is not to remove impurities, but to kill bacteria, single-cell algae and other microorganisms.Precipitation is divided into static precipitation and adsorption precipitation. Static precipitation is mainly to settle large solid particles in the liquid naturally by using its gravity. adsorption precipitation is to use drugs to react with substances in water to generate substances with large surface area, to absorb the hard-soluble solid particles in the water, so that they leave with water. For example, if alum is added to the water, alum reacts with water to generate a gel (mainly aluminum hydroxide) to absorb the solid small particles in the water, so that the impurities are separated.Filtration is a way to use a filter to separate the insoluble impurit

How much is a small fully automatic bottled drinking water equipment? who knows? This kind of equipment is not made up of one, but a production line.The simplest pure water production line also has 9 equipment, raw water filling-booster pump-quartz stone filter-activated carbon filter-precision filter-reverse osmosis filter host-ozone mixing Tower-pure water tank-filling machine.The reference price in turn is about 2000 1900 5000 8000 15000 25000 10000 2000 19000. 0.1 million small. Of course, the quality is different and the price is different.The following is a weak alkaline water production line. you can refer to it. there are more weak alkaline water treatment equipment and weak alkaline water tanks than ordinary pure water.