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Imtech DryGenic helps the waste water industry to dry waste water solids (sludge) in
controlled temperature/humidity environment while minimizing utility usage and maximizing
production rates.
YOUR PARTNER
Imtech DryGenic
dryers are designed for durability and reliability and control temperature
and humidity as required, delivering desired levels even with varying air inlet conditions.
DRYING OF PRODUCTS
Thermal Drying of Wastewater Solids :
Thermal drying is the technology for processing
of solids produced at municipal wastewater
treatment plants (WWTP).
Thermal drying technology, although originally
developed for material and chemical processing
applications, has been successfully applied to
WWTP solids and, thus, it is a viable and proven
solids processing technology primarily aimed at
producing a marketable product.
Thermal drying technology is based on removal
of water from dewatered solids which
accomplishes both volume and weight reduction.
The added benefit of thermal drying is that it
typically results in a product with significant nutrient value. Typically, dewatered solids (at
approximately 18% to 35% dry solids content) are delivered to a thermal drying system, where
most of the water is removed via evaporation resulting in a product containing approximately
90% solids.
In the thermal drying system, the temperature of the wet solids mass is raised so that the water
is driven off as a vapour. By removing most of the water from the solids, thermal drying results
in a significant reduction in both volume and mass.
Significant thermal energy must be transferred to the solids to increase temperature in the
drying process. This energy can be provided by combustion of a variety of fuels (natural gas,
digester gas, heating oil, wood, etc.), by a reuse of waste heat, or by conversion of electrical
power into thermal energy.
BELT DRYER FOR WASTE WATER SOLIDS (SLUDGE)
Waste water treatment plant
