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Comment PDF Solids Handling

Emerging Applications for Traditional Dryers

By Chemical Engineering |

Traditional classes of drying equipment are being adapted for use in a growing number of applications, and more complex analysis and process control are helping to optimize processes The chemical process industries (CPI) are full of processes in which a volatile substance, often water, must be separated from one or more non-volatile species. These drying processes are well established and well understood, but the processes and associated equipment continue to be optimized to improve performance and lower costs while complying with regulations on solids handling, such as those for dust control. At the same time, the portfolio of established drying methods, including rotary dryers, fluidized-bed dryers, spray dryers and others, are being used in an increasing number of applications. Several examples of new applications to which drying technology is being applied involve the wider effort to make better use of waste streams by recycling materials. Other examples include the adaptation of existing dryers to applications that require sanitary handling of materials. Meanwhile, advancements in analysis technologies, process control and simulation software are giving CPI engineers a clearer picture of their process and providing guidance…
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