The Convective Thermal Dryer (CTD) is a complete direct biosolids drying system that produces a 90% dry pelletized product and exceeds EPA 40 CFR Part 503 Class “A” requirements.

Convective thermal drying can reduce power consumption to less than 1400 BTU/lb evaporated water.

CTD Sub-Systems

The system includes five main groups of equipment as listed below.

• Mixing
• Drying
• Air/Solids Separation
• Air Treatment
• Solids Classification

To learn more about how each major equipment system interacts with the overall CTD drying system, click here: CTD Sub-Systems

Features

• Final product, in granular form, meets EPA’s 40 CFR Part 503 Class “A” requirements
• Complete system automation
• Short start-up and shutdown times
• Recycles a portion of the dried biosolids
• Recycles up to 90% of the process air
• Innovative recovery system
• Takes 20% to 30% dewatered sludge up to a 90% dry pelletized product
• Safe and proven technology

Benefits

• Simplifies storage, delivery, use or disposal of end product and minimal environmental impact
• Flexible, simple and safe operation
• Allows for more flexibility in your operating schedule
• Enhances product flow and expedites drying
• Low emissions
• Low energy requirements
• Significant volume reduction
• Save environment for your operators

   Drying Technologies - Which technology is right for you?

Dryer Questionnaire
Fill out this questionnaire to request a budgetary proposal:  Dryer Questionnaire.  Please e-mail the completed form to John Igoe at john.igoe@siemens.com.

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