defoaming


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Related to defoaming: antifoam

defoaming

[dē′fōm·iŋ]
(chemical engineering)
Reduction or elimination of foam.
References in periodicals archive ?
The defoaming agent, drying agent, and leveling agent were added at this time, and the mixture was stirred for 1 h.
The defoaming additive is effective at low concentrations, often below 0.1%, and over a wide range of pH and temperature.
Defoaming, a practice by the United States in culling birds, uses fire-extinguisher-like sprayers containing foam agents that would suffocate the flock.
Atmospheric Surface tension Sample pressure (kPa) Test value Growth (mN x [m.sup.-1]) rate (%) AEA A 101.1 29.4 100 65.9 32.9 112 57.2 34.6 118 AEA B 101.1 31.9 100 65.9 34.2 107 57.2 36.3 114 Foaming ability Sample Foaming Foaming capacity Foam capacity (ml) at 3 min (ml) stability (%) AEA A Full Full 100 Full Full 100 50 49 98 AEA B 38 36 95 32 30 94 29 26 90 Sample Defoaming Bubble shape time (min) AEA A [greater than Small, much even or equal to] 72 h [greater than Big, little, or equal to] 48 h [greater than sparse or equal to] 48 h AEA B [greater than Moderate, even or equal to] 36 h [greater than Big, little, or equal to] 24 h [greater than sparse or equal to] 24 h Table 6: Compressive strength of concrete formed under different air pressures.
GRAS defoaming agents are currently being tested that could be used to reduce foaming while maintaining the bactericidal activity of DPCD.
The other segments in water treatment chemicals market are Inhibitors, Defoamers & Defoaming agents, pH adjusters & softeners.
The low foaming properties of this novel product mean that formulators need to add less defoaming agents to the paint.
The Zeta product range also includes magnetic agitators for bioreactors, mixing units, conventionally sealed agitators and defoaming units.
Ultra Additives, a subsidiary of Munzing and manufacturer of antifoaming and defoaming agents, renewed its commitment and expanded to 18,000 s/f of office and lab space at the property;
Plus, the company says that they never use animal products in their defoaming process, opting instead for organic sesame oil in the rare case that it is needed.
These include polymers and coagulants for retention and water treatment, AKD, ASA and rosin sizes, wet and dry strength chemicals, deposit control and defoaming agents as well as deinking chemicals.
Because of this negative feedback cycle, it is beneficial for additives to perform multiple functions such as both wetting and defoaming to minimize any potential detrimental effects.