Mastering Viscosity Crucial for Efficient Waste Management
Waste management is facing challenges due to the high trash content of organic waste streams, which increases energy consumption and pipe fouling. Understanding and managing viscosity is key to efficient waste treatment.
Fluids in waste treatment can be Newtonian or non-Newtonian, depending on how their viscosity changes with temperature and stress. Viscosity, a measure of resistance to motion, affects energy efficiency and processing ease. The HRS Digestate Concentration System (DCS) reduces water content in digestate and sludge, increasing solids to 20% dry matter, which can raise viscosity.
Choosing the right heat exchanger is crucial. For low-viscosity sludges, double-tube heat exchangers like the HRS DTI Series are suitable. They minimise fouling and increase thermal efficiency. For high-viscosity materials, scraped surface heat exchangers (SSHEs) such as the HRS Unicus Series are ideal, especially for evaporation processes. Corrugated tube heat exchangers, like those designed by HRS, also help minimise fouling and extend cleaning intervals.
Understanding and managing viscosity in waste treatment is essential for energy efficiency and operational effectiveness. The choice of heat exchanger, based on the viscosity of the waste stream, is vital for optimal processing and product quality.
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