For the first bio-coagulants, which are electrically charged colloidal particles, in contrast to enable adsorption on the surface of the particles. And changes the charge of colloidal particles as opposed to the original charge. It is frequently used polymer with positively charged ions to destroy the colloidal particles. The polymer used can be selected using the polymer with a low molecular weight. The molecular weight is not an important factor in creating Floc but for ways to bridge the molecules of the polymer can stick on colloidal particles have several positions. By adhering charges may differ or similar line of polymer and colloidal particles. Particles with polymer grips with independence for the island late on other particles. This is a stable and radioactive waste. Such particles can bind to other particles. The polymer as a bridge. The polymer must be large in order to be used as a bridge between the particles and the particles can be stiff resistance force between the particles. For this reason, you want to build a bridge floc with high molecular weight. The negatively charged species or ions.
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