Patent ID: 6793704
Filing Date: 2004-09-21
Classification: C05F,Y02A,Y02P

Abstract:
A method for manufacturing a weak alkaline organic fertilizer from organic waste including food waste, the method comprising the steps of:(a) adding 0.1 to 5 parts by weight of a desalter based on 100 parts by weight of the organic waste including food waste with agitating to remove saline matters from the organic waste; (b) adding 5 to 40 parts by weight of quick lime or dolomite based on 100 parts by weight of the organic waste to the product of the step (a) for hydration; (c) mixing the product of the step (b) with agitating for aging; (d) mixing the product of the step (c) and adding an ingredient improver of the product; (e) adding a deodorizer to the product of the step (d) with agitating for elimination of malodorous volatile matters from the product and deodorization; and (f) adding a carbon dioxide gas or a combustion gas containing the carbon dioxide gas to the product of the step (d) to cause a carbonation with the hydrated lime and/or dolomite in the order of the steps (d), (c) and (b).