deflocculate

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deflocculate

[dē′fläk·yə‚lāt]
(chemical engineering)
To break up and disperse agglomerates and form a stable colloid.
References in periodicals archive ?
The resuspensation of deposited mud and deflocculation of clay aggregates occurs e.
Schofield and Samson (1954) demonstrated that the addition of NaOH enhances deflocculation as the number of positive charges decreases, with consequent decrease of positive adsorption and weak electrostatic attraction between positive and negative cleavage faces of clay crystals.
Teaches the basic functions of the headbox including flow spreading, deflocculation of stock, MD/CD basis weight control, fiber alignment, jet impingement, and formation.
EKFA-4330 is a polymeric dispersant for deflocculation of pigments in a variety of solvent-based high-performance coatings and industrial coatings as well as resin minimal pigment concentrates.
2) induced by CPE, which leads to a decrease of the viscosity in a way similar to that observed in the rheology of highly filled polymers (22, 25) or in the deflocculation process of emulsions (26).
Ross and Duffy (2000) have demonstrated that this technique is both effective and efficient when coupled with methods to increase the deflocculation of the sediment matrix.
deflocculation disperses contaminants into very fine particles which are suspended in the cleaning solution.
Samples for macrofossil analysis were treated with a gently boiling 5% aqueous KOH solution for deflocculation, and subsequently cleaned of fine debris by rinsing through a 150-[[micro]meter] sieve.
Tadanier CJ, Schreiber ME, Roller JW (2005) Arsenic mobilization through microbially mediated deflocculation of ferrihydrite.
It differs from true feldspars, however, because it is partly kaolinised and responds well to flocculation and deflocculation adjustments in the glaze batch, resulting in increased wet glaze handling properties.
Disperbyk 2059 provides deflocculation and stabilization of aluminum pigments in both water- and solvent-based coatings.
It has to be emphasized that the degrees of deflocculation (and delamination) have a decisive effect on the rheological behavior of kaolin suspensions, see e.