Emulsion Wastewater Treatment Solution

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Emulsion is widely used in mechanical processing industry, and its waste liquid has always been a serious problem with environmental pollution.
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  • Emulsion is widely used in mechanical processing industry, and its waste liquid has always been a serious problem with environmental pollution. In the past, domestic research on the treatment of waste liquid mainly focused on emulsified oil, focused on solving the pollution problem of COD and oil emissions. At present, the commonly used waste emulsion treatment process is oil separation, air flotation, aeration, microbial oxidation and other processes. The disadvantages of the common method including slow processing, complex process, long process and large footprint; the treatment effect is difficult to meet the national standard of clean water discharge standards. With the increasing popularity of water-based cutting fluid, the original treatment technology is more difficult to meet the needs of new waste liquid treatment.

    In order to offer better technology, our company have developed MVR evaporator system; through the device's self-circulation to achieve the purpose of separation of waste emulsion.

    Emulsion wastewater treatment main flow process:

    1. After preheating, the emulsion enters the heat exchanger, and then heated, evaporated and concentrated.
    2. The condensate water formed by steam flow back to condensate tank.
    3. The secondary steam and concentrated liquid flow into gas liquid separator; where achieve the liquid gas separation.
    4. Separated secondary steam goes for compressor. After compression, the temperature and pressure of the secondary steam increased and can be reused to heat the raw material.

    With MVR evaporator, it has advantages like energy saving, lower cost, improve production efficiency, and reduce environmental pollution.

    MVR emulsion evaporation system can achieve water emulsion separation by self-circulation system. Concentrated emulsions can be recovered as fuel; The separated water can reach the standard discharge after simple treatment.

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