Method for treating vegetable, fruit and garden waste
AssigneeAxpo Kompogas AG
InventorsGerrit Jacobus De Jong, Willem Elsinga
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Abstract
The present invention relates to a method for treating vegetable, fruit and garden waste, comprising the steps of: a) fermenting vegetable, fruit and garden waste, b) mixing the at least partially fermented waste from step a) with compost, c) composting the thus obtained mixture to obtain compost, wherein the percentage dry matter by weight of the mixture obtained in step b) is at least 35. Furthermore, the present invention relates to a method of providing a greenhouse with carbon dioxide and/or heat. Also, the present invention relates to a method of composting fermented vegetable, fruit and garden waste. The present invention furthermore relates to a waste treatment facility for the treatment of vegetable, fruit and garden waste.
Claims27
Method for treating vegetable, fruit and garden waste, comprising the steps of:
- a) fermenting vegetable, fruit and garden waste;
- b) mixing the at least partially fermented waste from step (a) with compost;
- and
- c) composting the thus obtained mixture to obtain compost, wherein the percentage dry matter by weight of the mixture obtained in step (b) is at least 35.
2-14. (canceled)
Method for treating vegetable, fruit and garden waste, comprising the steps of:
- a) fermenting vegetable, fruit and garden waste to obtain at least partially fermented waste and biogas;
- b) mixing compost and/or vegetable, fruit and garden waste with the at least partially fermented waste such that a mixture is obtained having a dry weight percentage of at least 35%;
- c) composting the mixture to obtain heat and compost;
- and
- d) separating a CO2 component from the biogas and supplying the CO2 component and the heat to a greenhouse, wherein the heat is preferably in the form of water with a temperature of 30° C. to 60° C.
A waste treatment facility for the treatment of vegetable, fruit and garden waste, comprising:
- a) a fermentor suitable for fermenting vegetable, fruit and garden waste into a digestate;
- b) adding and mixing means for adding and optionally mixing compost and/or vegetable, fruit and garden waste with the digestate to obtain a mixture of digestate and compost and/or vegetable, fruit and garden waste, wherein the mixture includes at least 35% dry matter by weight;
- and
- c) composting means for composting the mixture.
Dependencies are inferred from the claim text.