Digester effluent can be separated into liquids and solids that add economic value to a project.
The liquid effluent from a digester can be used as a fertilizer, reducing the purchase of commercial fertilizers.
Digested solids can be removed from the digester effluent by means of a solids separator. The separated solids are commonly used as livestock bedding. It can also be sold for use in landscape products, such as soil amendments or biodegradable planting pots.
Emerging applications for effluent solids include their use in structural building materials, such as deck boards and particle board.