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Evaporator - MVR
MVR is a mechanical vapor recompression technology, (mechanical vapor recompression). MVR is the re-use of secondary energy produced by its own steam, thus reducing the demand external energy. It is a power-saving technique.These evaporator components are similar to steam driven machinery with the addition of a mechanical compressor. Mechanical energy supplied via a compressor or fan compresses the process vapor to a higher pressure (and condensing temperature) where it is reused as the heating steam. Steam and cooling water requirements are significantly reduced and are eliminated in many cases. MVR evaporators are generally more costly than steam driven evaporators, but because the operating economy is greatly improved, operating costs are significantly less. Fewer vessels are required than in steam powered multiple effect systems; therefore, installation costs are lower. The replacement of required steam with recycled vapor results in lower operating costs making this a viable choice in many applications. This is a very attractive option for larger evaporation rates.