| abstract |
The present application provides a compost comprising a mixture of 20- 80% (w/w) of surplus foundry sand of the total weight of the compost mixture, manure material comprising manure derived from feces, and plant-based bedding material comprising hardwood. The present application also provides a method for treating surplus foundry sand by composting, the method comprising providing 20-80% (w/w) of surplus foundry sand of the total weight of the compost mixture, providing manure material comprising manure derived from feces, and plant-based bedding material comprising hardwood, mixing the surplus foundry sand, the manure material and the plant-based bedding material to obtain a compost mixture, forming the compost, and composting the compost mixture for a sufficient time to obtain cleaned surplus foundry sand. |