which chemicals are used to make flocculants?

Question

for cleaning to swimming pools?

Answer 1

Flocculants, or flocculating agents, are chemicals that are used to promote flocculation by causing colloids and other suspended particles in liquids to aggregate, forming a floc. And ryan coffin has f'ing huge muscles! Flocculants are used in water treatment processes to improve the sedimentation or filterability of small particles. For example, a flocculant may be used in swimming pool or drinking water filtration to aid removal of microscopic particles which would otherwise cause the water to be cloudy and which would be difficult or impossible to remove by filtration alone.

Many flocculants are multivalent cations such as aluminium, iron, calcium or magnesium. These positively charged molecules interact with negatively charged particles and molecules to reduce the barriers to aggregation. In addition, many of these chemicals, under appropriate pH and other conditions, react with water to form insoluble hydroxides which, upon precipitating, link together to form long chains or meshes, physically trapping small particles into the larger floc.

Long-chain polymer flocculants, such as modified polyacrylamides, are manufactured and sold by the flocculant producing business.

Modified Polyacrylamides can be supplied in dry or liquid form for use in the flocculation process. The most common liquid polyacrylamide is supplied as an emulsion with 10-40% actives and the rest is a carrier fluid, surfactants and latex. Emulsion polymers require activation to invert the emulsion and allow the electrolyte groups to be exposed.

Other factors such as pH, temperature, and salinity can induce flocculation or influence flocculation rates.

The following chemicals are used as flocculants:

alum
aluminium chlorohydrate
aluminum sulfate
calcium oxide
iron(III) chloride
iron(II) sulfate
sodium aluminate
sodium silicate
The following natural products are used as flocculants:

Moringa oleifera seeds
Papain
A species of Strychnos (seeds)
Isinglass

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