Poultry manure processor dries digestate for secondary income stream

Unique wastewater project to dry anaerobic digestate and reduce the moisture content of the digestate for a product that qualifies as a Class A fertilizer under USDA.

This article is related to Alfa Laval wastewater equipment. Alfa Laval's Separation and Heat Transfer systems are used by municipalities and cities across Canada.

 

View the full article on biomassmagazine.com

 

“…project involved a dryer to process digestate from the anaerobic digestion of poultry manure. The system was designed to process a little over 30,000 tons per year and to operate on a one shift, five-day-per-week schedule.

 

At an installed capital cost of about $4 million and operating costs of about $400,000 year, the system will generate over 19,000 tons of fertilizer that can be sold at a net cost of $145 per ton…

 

…anaerobic digestate can have as much as 70% moisture content coming in and is dried to about 10%. …provided the drying temperature is high enough, the product qualifies as a Class A fertilizer under applicable USDA standards…”

 

 

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