Paper and pulp production is struggling with high energy costs and relies heavily on fossil fuels, resulting in significant carbon emissions. Nevertheless, paper and pulp producers can achieve a considerable reduction in primary energy consumption by recovering waste heat and reusing it as heating steam. Piller Blowers & Compressors offers efficient solutions based on Mechanical Vapor Recompression (MVR) and industrial heat pump technology.
Pulp and paper production involves processes such as black liquor evaporation and paper drying that require large amounts of thermal energy in the form of steam. Waste heat from these and other process steps can be reused using Mechanical Vapor Recompression (MVR). Recovering and reusing process waste heat as heating steam can reduce primary energy demand by up to 75 percent. Operators can reduce energy costs for process steam by up to 90 percent and carbon emissions by up to 60 percent, at efficiency levels of up to 87 percent. Thanks to its simple and seamless integration, Mechanical Vapor Recompression can be applied across a wide range of processes in the paper industry.
Direct and indirect waste heat utilization
Direct waste heat utilization is enabled by the Mechanical Vapor Recompression (MVR) process. This process compresses exhaust steam from the process (vapors) to a higher pressure and temperature so that the same steam can be reused as a heating medium. In case waste heat involves contaminated process steam or liquid media, the energy is transferred indirectly using heat exchangers. These generate live steam at low pressure and temperature. This live steam is then compressed to the required pressure and temperature levels and fed back into the process.
Compressor technology for the paper and pulp industry
Piller Blowers & Compressors provides the paper and pulp sector with solutions for steam compression, industrial heat pumps, and the optimization of steam systems. The VapoLine product series comprises the VapoFan, VapoFlex, and VapoMaxX compressors, which cover a wide range of application requirements. Paper manufacturers benefit from technologies and machines specifically designed for their respective processes, mass flow rates, required pressure lift, and individual applications.
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