Polyaluminium chloride can be stirred quickly, but the stirring speed also has...
Yesterday, 3.15 just passed, in 3.15, we can see the false news in all walks of ...
First, ferrous sulfate is inorganic and polyferric sulfate is organic. Ferric...
Polyaluminium chloride, as a new type of water purification flocculant, is...
For PAC products themselves, it is refined from hydrochloric acid, calcium...