To provide a method for stably and rapidly reducing the inorganic nitrogen, coliform counting, malodor, etc., in liquid barnyard manure formed by a solid-liquid separation of pig farming wastes in particular among various kinds of waste liquids.
The method comprising enhancing the total carbon rate, i.e., a ratio of carbon to nitrogen, in the barnyard manure by mixing an easily decomposable carbon source or carbon source into the barnyard manure during an activated sludge treatment. Further the method comprising increasing a decomposition rate in an initial fermentation period and increasing the density of aerobic bacterial by feeding of water to release slight electromagnetic waves or ceramics or the like to release the slight electromagnetic waves into the barnyard manure likewise during the activated sludge treatment.
KANAZAWA SHINJIRO
AYAORI SHIRO
ICHIKI SHUJI
OSHIGE SHOICHI
KANAZAWA SHINJIRO
Next Patent: METHOD FOR AERATION TREATMENT OF SEWAGE