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A new innovative drive system for centrifuges was developed and tested successfully in 2003. This innovative solution will be available on the market in mid 2004. Besides technical improvements it offers an extremely compact
overall dimension of the machine. Process and product design improvements with special focus on automation were performed during 2003 for centrifuges and drum drying systems. Layout,
equipment arrangement and process design for DDS plants have been upgraded for better access and optimized product handling in order to reduce complexity and hence the need for maintenance, and improve operating feasibility. All
relevant products operating in an environment covered by the ATEX safety guidelines (EN 94/9 and EN 1999/92) have been certified according to these requirements. New concepts for the
utilization of waste heat from power plants and domestic waste incinerators for sludge drying were developed. In addition, dried sludge gains in importance as support fuel for power production since its calorific value is similar to that of brown coal.
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