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US 2003/0070461 A1Published application
Poultry litter fertilizer
OwnerMichael Fergusoninventor
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Abstract
A system and method for manufacturing fertilizer nutrients from poultry litter. The method of the invention includes heating and pasteurizing raw material; drying the heated and pasteurized material; reducing the dried material to a powder; and pelleting the powder to granular and homogenized pellets. The poultry litter fertilizer is high in nitrogen and provides a good source of nutrients for many crops.
Claims17
A process of recycling litter to make fertilizer, comprising:
- pasteurizing raw material comprising poultry litter;
- drying the pasteurized material;
- reducing the dried material to a powder;
- and
- pelleting the powder to granular and homogenized pellets.
2 more elements
A poultry litter fertilizer manufacturing system, comprising:
- a raw material ventilation system including a scrubber for treating air by removing odor from the air;
- a dryer system for
- pasteurizing raw material comprising poultry litter,
- drying the pasteurized material, and
- reducing the dried material to a powder;
- and
- a pelleting system for producing granular and homogenized pellets from the powder.
4 more elements
Dependencies are inferred from the claim text.