Back to results
US 12,454,494 B2Granted
Process for the reduction of gas emission from farm manure
AssigneeAlzchem Trostberg GmbH
InventorsStephan Winkler, Martin Eberl, Susanne Erl, Jürgen Sans, Jürgen Bezler
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method and a use of a composition, in each case for reducing the emission of environmentally harmful climate gases methane and/or carbon dioxide from farm manures during its storage. In some examples, the method and use involves bringing a composition comprising calcium cyanamide into contact with the farm manure.
Claims12
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.
1 more element
Dependencies are inferred from the claim text.