What is MVR? Mechanical vapor recompression (MVR) is an energy recovery process which can be used to recycle waste heat to improve efficiency. Typically, the compressed vapor is fed back to help heat the mother liquor in order to produce more vapor or steam. MVR achieves vapor compression through mechanically driven equipment such as blowers or compressors [1]
Advantages of MVR system:
Alternatives to Mechanical Vapor Recompression are Multiple Effect Evaporation (MEE) and Thermal Vapor Recompression (TVR-also known as thermocompression) The table below shows the comparison of the three evaporation systems in terms of critical parameters [1] What is ZLD? Zero Liquid Discharge (ZLD) can be defined as any process or combination of processes which result in no liquid effluent or discharge from a process plant. India is recognized as having major issues with water pollution, predominantly because of untreated industrial wastewater and failure to achieve zero liquid discharge (ZLD). The major operations involved in ZLD process are:
The parameters of the effluent which need special attention include: Total Dissolved Solids (TDS), Organic matter, Compositional analysis, Characteristics of various concentrations and Solvents. The major design factors for planning ZLD systems are: Temperature, Salt concentration, Organic cut and Methodology of Crystallization. The design factors are initially studied in the laboratory and then applied to the practical system after having firm knowledge of the feasibility of the process, selection criteria and recovery aspects. Components of ZLD include:
Everest made MVR offer simplicity, responsiveness and flexibility of operation. These specifically designed compressors are meant to handle steam vapours which can be reused to recover the latent heat of vaporization, in turn providing a heavy saving in energy and utilities. The compressors act as a very efficient pollution free alternative to existing technologies. The special corrosion resistance material used for construction of MVR along with special high speed PTFE compound seals results in the ability to withstand higher than normal temperature and ensure leak tightness. This prevents contamination of oil with process steam/vapours. Major features of EVerest made MVR include:
The global MVR compressors market size was USD 246.5 million in 2020. The COVID-19 pandemic has resulted in higher than anticipated demand globally compared to pre pandemic levels. The market is projected to reach USD 369.5 million in 2027 with a CAGR of 5.8 % during this period [3]. The sudden spike is attributed to demand returning to pre pandemic levels once the pandemic is over. In India, industrial production has increased because of an increasingly open economy and a greater emphasis on industrial development and international trade. As a result, water consumption for industrial use has consequently risen and will continue to rise. This provides great scope for the MVR market in India to treat and recycle the waste water. About Everest Vacuum:
Everest Vacuum has been providing Technical and R&D solutions for various process industries over the last 15 years. We have provided customized vacuum systems to many reputed organizations in India and overseas. We believe in empowering our customers with the best possible customized dry vacuum Pump for eco-friendly overall development.
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AuthorEverest Vacuum is a vacuum system manufacturing company known for designing, developing, and supplying a wide range of products. Archives
December 2023
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