US 12,454,494 B2
Process for the reduction of gas emission from farm manure
Stephan Winkler, Altenmarkt (DE); Martin Eberl, Niederbergkirchen (DE); Susanne Erl, Tacherting (DE); Jürgen Sans, Trostberg (DE); and Jürgen Bezler, Burghausen (DE)
Assigned to Alzchem Trostberg GmbH, Trostberg (DE)
Appl. No. 17/292,971
Filed by Alzchem Trostberg GmbH, Trostberg (DE)
PCT Filed Nov. 11, 2019, PCT No. PCT/EP2019/080869
§ 371(c)(1), (2) Date May 11, 2021,
PCT Pub. No. WO2020/099321, PCT Pub. Date May 22, 2020.
Claims priority of application No. 10 2018 128 173.0 (DE), filed on Nov. 12, 2018.
Prior Publication US 2022/0002212 A1, Jan. 6, 2022
Int. Cl. C05F 3/00 (2006.01)
CPC C05F 3/00 (2013.01) 12 Claims
OG exemplary drawing
 
1. A process for reducing the emission of methane and/or carbon dioxide from farm manure selected from liquid manure, dung slurry or biogas fermentation residues during its storage, comprising the process steps of:
a) providing a storage tank for the farm manure with a volume X, and
b) filling the storage tank with the farm manure in an amount equal to at least 5 vol. % of the volume X of the storage tank; and
c) adding a composition comprising from 10 to 100 wt. % of calcium cyanamide to the storage tank and bringing the composition into contact with the farm manure, wherein the composition is added to the farm manure in an amount of from 0.5 to 8 kg per 1 m3 of farm manure.