Industry: Environmental
Waste water treatmentMunicipal raw sewage or industrial organic waste such as food products are aerated to feed microorganisms with the dissolved oxygen necessary to digest waste byproducts. Fine, coarse and membrane filtration technologie bubble aeration systems. Blowers are also used for filter flushing, grit tank cleaning, backwash operations and gas recovery. Oil-free screw compressors are ideal for deep cell aeration system to supply air at pressures ranging from 1 bar (14.5 psig) to 3.5 bar (50 psig). Positive displacement blowers and compressors permit energy optimization under variable flow conditions by means of variable frequency drives (VFDs). Typical speed turndown of 3:1 is possible, temperature permitting. |
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Bio-gas recovery and re-circulationThe gas composed primarily of methane but containing traces of hydrogen sulfide (H2S) is also known as digester gas and landfill gas. It is produced through the natural breakdown of organic material or accelerated breakdown in waste water treatment plants. The gas is either flared to reduce pollution, re-circulated within a process, or used as a fuel to power generators and other internal combustion engine driven machines. This gas is both explosive and corrosive - Aerzen supplies certified, special purpose biogas blowers and solutions for these high risk applications. |
Soil hydrocarbon and solvent vapor extractionThe extraction takes place for soil remediation purposes. Pressure or a combined of pressure and vacuum machines are used to draw air through the contaminated area to evaporate Volatile Organic Compounds (VOCs) which are carried into the air-stream for recovery or immediate disposal. Hydrocarbons may include petroleum products and industrial solvents accidentally spilled from tank vehicles or leaked from fuel storage tanks. |
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Drinking water purification100% oil-free blowers and compressors supply air to ozone producers and filter flushing systems. |
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