According to the difference of aluminum oxide, polyaluminum chloride is divided into what categories. Let me explain to you here.
Polyaluminum chloride is divided into six kinds of content: 20% 22% 24% 26% 28% 30% according to the content of aluminum oxide in its finished product. Among them, 20%-26% are yellow-brown, mostly in the form of roller particles. The specific content of polyaluminum can be distinguished according to its color, particle size and dryness. The lower the color of the low content is, the better the color is yellow-brown, and the particles are uniform and no agglomeration higher.
28%-30% polyaluminum color is beige, 28% granular polyaluminum is called frame polyaluminum chloride and spray polyaluminum chloride, because more than 28% granular polyaluminum adds a plate In the process of frame press filtration, the polyaluminum liquid without impurities is dried again to form particles. The spray is the same process, because the impurities are removed, and the color is purer, close to beige. The 30% polyaluminum chloride is divided into drinking water grade and industrial grade, and the form is also granular and powder.
We all know the above, so how to distinguish it apart from color, granularity and dryness. It is to identify the quality of polyaluminum from the method of testing. The test is determined from three values:
{C}1. {C}The content of aluminum oxide, the higher the value, the better the quality.
{C}2. {C}2. Water insoluble matter, the lower the value of water insoluble matter in the water sample, the higher the content.
3. Heavy metal content.
These are the basic knowledge of polyaluminum chloride. Polyaluminum chloride is widely used in today's society, and the effect of its use has also been recognized. People who don't know polyaluminum chloride may think this thing is very novel. I hope these can help everyone. You can better understand this product and choose the most suitable medicine for you!
