Method of making fertilizer through anaerobic digestion

Abstract

Methods of making a fertilizer through the anaerobic digestion of organic matter and applying the fertilizer to plants and plant media have been developed. The method involves primarily the anaerobic digestion of food waste and animal manure, with the food waste being used in greater amounts than animal manure. The method can be applied to a variety of anaerobic digestion devices or systems implementing anaerobic digestion. After the anaerobic digestion of organic matter has occurred, liquid digestate can be separate from solid digestate, the liquid digestate can be heat pasteurized, and filtered. Thereafter, the liquid digestate can be applied as a fertilizer to plants and plant media for the promotion of plant growth, reproduction, and health.

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