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Solids – liquid separation programs are needed for effluent treatment to comply with discharge requirements and prevent the build-up of solids in wastewater systems. There are several methods for industrial effluent treatment, including sedimentation, straining, flotation, and filtration.
Our solids – liquid separation technical support team averages over 25 years of field applications expertise with the following industrial effluent treatment technologies:
Simulation and Testing Capabilites
- Biological treatment for BOD removal and COD removal
- Chemical softening to remove calcium and magnesium hardness
- Dissolved air flotation
- Membrane filtration
- Multimedia filtration
- Paint detackification
- Physical/chemical treatment of metals and phosphates
- Oily waste demulsification
- Separators: centrifuges, cyclones, strainers, cartridge filters, cross-flow sieves, and electro-osmosis
- Sedimentation and clarification
- Sludge thickening and dewatering
Discover More | Industrial effluent contains the following constituents that need proper treatment:
- “Normally” soluble substances
These are materials that become more soluble with increasing temperature, such as table salt or sugar. The hotter the water, the more of these materials will dissolve.
- “Inversely” soluble substances
Normally referred to as “hardness” ions and generally limited to salts of calcium, magnesium, strontium, and barium in water treatment, these materials become less soluble as temperatures increase, hence their tendency to form scale on the hot surfaces of boiler or heat exchanger tubes. Water treatment would be a simple matter were it not for the inversely soluble hardness salts.
“Color” is a type of colloidal suspension. Organic molecules that contribute color to raw surface water are simply macromolecules that fall into the smaller colloidal size range. In water, these macromolecules take on an ionic surface charge that stabilizes them so they cannot settle out.