wastewater treatment evaporator Applications
Reverse Osmosis (RO) technology has been used for years in various industries to separate dissolved solids from water by forcing the water through a semi-permeable membrane. RO is also commonly used to purify drinking water and desalinate seawater to yield potable water. The water and other molecules with lower molecular weight (specific weight of molecules allowed to pass through is dependent on the selected membrane) pass through the micropores in the membrane, yielding a purified water stream called the permeate. Larger molecules are retained by the membrane as well as a portion of the water that does not pass through the membrane. This concentrated stream is called the concentrate or RO reject.
Market segments such as automotive, aviation, furniture, appliance involve: mechanical treatments and surface treatments that require large quantity of water and produce highly pollutant wastewater that cannot be discharged directly and contribute to increase company’s running costs.
EVALED evaporators treat or minimize wastewater from the Power Generation Industry. Flue gas desulfurization effluents require different kinds of treatments depending on the type of fuel, water sources, and environmental regulations.
The waste (water) streams from the production of (bio) ethanol or ethanol spirits are generally very suitable for anaerobic treatment, due to their organic compounds.
The effluent streams produced by the different production processes are influences by a great number of parameters such as, process design, milling process, type of raw material, etc. This requires special attention in the design of the treatment plant for this type of industry.
Typical streams from these industries that can be treated are, whole stillage, thin stillage, spent wash, vinasse and condensate from evaporator. The Upflow Anaerobic Sludge Blanket (UASB) process and the External Circulation Sludge Bed (ECSB) process from HydroThane are worldwide proven processes for the treatment of this type of waste water.
By HydroThane STP BV based in KC `s Hertogenbosch, NETHERLANDS.
The oil & gas industry faces water and wastewater treatment specific challenges. EVALED evaporators represent an effective solution for both downstream (onshore and offshore) and upstream plants, allowing ZLD (Zero Liquid Discharge).
Ink, Paint, and Glue wastewaters are some of the toughest wastewaters to deal with due to their tendency to coat functional components of the wastewater treatment equipment. This type of wastewater is typically treated in the ENCON Drum Evaporator. Qualification of the waste stream for the Drum Evaporator is performed via a bench scale test in the ENCON laboratory.
Metal finishing wastewater is a common application for ENCON Wastewater Evaporators. There are many types of wastewater generated in metal finishing. These include vibratory / tumbling wastewater, stamping wastewater, die casting wastewater and polishing wastewater. Metal Finishing wastewater cannot be simply flushed down the drain. Many companies choose to avoid the headaches of labor-intensive wastewater treatment technologies such as chemical treatment or filtration and simply pay to haul the wastewater. This however, can become quite expensive.
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