Deflocculation impacts water quality

Deflocculation impacts water quality

Deflocculation impacts water quality

Flocculation is the different side of Deflocculation in liquid treatment process
Deflocculation is the exact opposite of flocculation, also sometimes known as peptization. Sodium silicate (Na2SiO3) is a typical example. Usually in higher pH ranges in addition to low ionic strength of solutions and domination of monovalent metal cations the colloidal particles can be dispersed. The additive that prevents the colloids from forming flocs is called a deflocculant. For deflocculation imparted through electrostatic barriers, the efficacy of a deflocculant can be gauged in terms of zeta potential. According to the Encyclopedic Dictionary of Polymers deflocculation is a state or condition of a dispersion of a solid in a liquid in which each solid particle remains independent and unassociated with adjacent particles (much like emulsifier). A deflocculated suspension shows zero or very low yield value.

Deflocculation can be a problem in wastewater treatment plants as it commonly causes sludge settling problems and deterioration of the effluent quality.

Water treatment and other liquid purifacation needs the Flocculation functions, Deflocculation is bad to the treatment, it will lead to chemicals or physical treatment not work or could not get a good result, or increases the costs of treatment, impacts the economic effect.

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