	US 12,151,989 B2
	Manure pellets, and process and equipment for making the same
Peter Klomp, Wanssum (NL)
Assigned to TAURUS-GLOBAL B.V., Amsterdam (NL)
Appl. No. 17/261,904
Filed by Taurus-Global B.V., Amsterdam (NL)
PCT Filed Aug. 2, 2019, PCT No. PCT/NL2019/050510 § 371(c)(1), (2) Date Jan. 21, 2021, PCT Pub. No. WO2020/027662, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 2021420 (NL), filed on Aug. 3, 2018.
Prior Publication US 2021/0292254 A1, Sep. 23, 2021
Int. Cl. C05F 3/00 (2006.01); B30B 11/28 (2006.01); C05F 3/06 (2006.01); C05G 5/14 (2020.01); C05G 5/30 (2020.01); F26B 3/08 (2006.01); F26B 5/14 (2006.01); F26B 23/02 (2006.01)

CPC C05F 3/00 (2013.01) [B30B 11/28 (2013.01); C05F 3/06 (2013.01); C05G 5/14 (2020.02); C05G 5/30 (2020.02); F26B 3/08 (2013.01); F26B 5/14 (2013.01); F26B 23/022 (2013.01); F26B 2200/12 (2013.01)]

18 Claims

1. A pellet made of dried, unfermented livestock manure having a high fibrous content up to 65% by weight based on the solid components of the livestock manure, comprising lignocellulosic material consisting of lignin, cellulose and hemicellulose, the pellets having N, P and K values in the range of N: 3 to 7 g/kg, as ammoniac and organic nitrogen, P: 2 to 6 g/kg as phosphorus pentoxide and K: 2 to 6 g/kg as potassium oxide (g/kg), having a hardness exceeding 10 kg and having a shell composed of manure-base lignin, wherein the shell has a thickness of at least 33 micrometers.

6. A process for producing the pellet of claim 1, wherein the manure is unfermented manure having a high fibrous content up to 65% by weight based on the solid components of the livestock manure, comprising lignocellulosic material consisting of lignin, cellulose and hemicellulose, having a moisture content in the range of 10% to 18% by weight, comprising:

pelletizing the manure in a pellet mill, operating at a temperature in the range of 95-138° C., a pressure of 180 to 200 tonne/cubic centimeter, and a power in the range of 100 to 125 kW/tonne pellets.