Patent ID: 8110384
Filing Date: 2012-02-07
Classification: C12M,C12P,Y02E

Abstract:
1. A process for converting animal waste into useable biofuel materials comprising: providing a source of waste slurry comprising a mixture of water and excrement from lactating cows; mixing said slurry with an acid to acidify the slurry; holding said slurry and acid mixture in a surge tank for a period of time sufficient to substantially break down any cellulose materials within said slurry to form a pretreated material; mixing a neutralizer into said pretreated material to form a neutralized pretreated material; mixing starter sugar and a microorganism, wherein said microorganism is introducing said feedstock into an anaerobic digester; heating said feedstock to a temperature such that said microorganism is activated to begin fermentation of said feedstock to produce at least ethanol and methane as products; and collecting the products of said fermentation.