Antifoamers
Antifoamers are special additives preventing further foaming and enabling a rapid foam destruсtion due to the action of active ingredients. The use of defoaming compositions results in better production quality, increase of net capacity of tanks, better resistance to wear and tear of equipment, and its longer service life, thus in lower production costs.
Antifoamers for oil-field chemistry
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Name of product
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Purpose
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DEM VS-97
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Antifoamer for water-based drill muds. Silicone containing. High effective. Not flammable liquid. Destined for all kinds of water-based drill muds. Defoaming ability min 90%. Set point max. – 21º C.
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DEM VS-102
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Antifoamer for drill muds. Organosilicone polymer emulsion. High-effective. Destined for prevention of foam building in water and water/organic systems. Defoaming ability min. 70%.
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DEM VP-1
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Antifoamer for water-based drill muds. Silicone-free. Not belonging to HFL. Destined for all types of water-based drill muds. Defoaming ability min. 70%. Set point max. – 21º C.
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DEM PG-1
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Antifoamer for water-based drill muds. Polyglycol-based. High-effective. Destined for all types of water-based drill muds. Defoaming ability min. 80%. Set point max. – 21º C.
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Antifoamers for various industry branches
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Name of product
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Purpose
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Paint/varnish materials
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DEM – concentrate
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Water-free antifoamer on base of hydrocarbons, destined for foam destruction and prevention of foam building in butadienstyrene, polyvinyl-acetate and vinyl acrylate polymer systems. Used in production of putties, polymer dispersions, waterborne paints, PVA adhesives.
Consumption of the antifoamer 0.05 – 0.3%
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DEM
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50% hydrocarbon-based emulsion destined for foam destruction and prevention of foam building in butadienstyrene, polyvinyl-acetate and vinyl acrylate polymer systems. Used in production of putties, polymer dispersions, waterborne paints, PVA adhesives. Consumption of the antifoamer 0.2 – 0.5%
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DEM VC-99
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A mixture of aliphatic hydrocarbons and emulsifiers. Destined for suppression/prevention of foam building in production/use of waterborne paints based on butadienstyrene and styrene-acryl polymers, having high or middle volume concentration of pigment. Consumption of the antifoamer 0.2 – 0.4%
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Waste waters
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DEM VS-97
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Universal-use antifoamer. Silcone containing Used for foam suppression in waste water treatment systems. Harmless for activated sludge.
Consumption of the antifoamer 0.01 – 0.3%
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DEM VS-100
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A composition of fatty acid esters and polyglycols, stabilized with surfactants. Used for foam suppression in manure wastes at organic wastes treatment complexplants in agriculture, and waste water treatment systems.
Consumption of the antifoamer 0.2 – 1%
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DEM VC-102
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Used for foam suppression in wastes of leather, paint-and-varnish industry, and in household wastes. An organosilicone water emulsion easily dissolved in water in any ratios.
Consumption of the antifoamer 0.01 – 0.1%
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Leather industr
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DEM VS–102
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Used for foam suppression in paint/fatliquoring apparatus, and in waste waters. An organosilicone water emulsion easily dissolved in water in any ratios.
Consumption of the antifoamer 0.01 – 0.1 wt. %
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Production of pesticides
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DEM VS-102
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Used for foam suppression in pesticide production. An organosilicone water emulsion easily dissolved in water in any ratios.
Consumption of the antifoamer 0.02 – 0.1%
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Paper-and-pulp industry
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DEM VS–102
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Used for foam suppression in paper production processes in paper mills, and in waste water treatment systems. An organosilicone water emulsion easily dissolved in water in any ratios.
Consumption of the antifoamer 0.02 – 0.026%
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Peculiarities as for using the antifoamers for drill muds.
Active additives for foam building neutralization are important ingredients of a drill mud containing foam building reactants: surfactants, polymers, greasing compositions. Foam building at sinking by boring, results in change of density and drill mud properties ant that can bring with caving ground and different gas, water and oil shows
In order to suppress foam building, following reactants are introduced in water based drill muds:
- Mineral oil based reactants;
- Silicone containing reactants;
- Silicone-free reactants.
For drilling enterprises we offer to get a great deal on the antifoamer, which can be purchased in Moscow, St. Petersburg, and other cities of Russia, and efficiency of which is 70-90%.
Although the prices for different brands of antifoamers are slightly different they are always moderate for bulk purchase. It comprises prices for components, formulation complexity, as well as other production costs.