NOVELTY - The organic refuse (7) supplied into a tank (6), is treated by a decomposing agent (8) supplied at regular intervals into tank heated by an external heater near its lower surface. A filtration type drain wall at one end of the tank, prevents flow of non-decomposed substance with water ejected from the tank. The ejected water is added with decomposing agent for treating the waste adhering to the sewer line.    USE - The sink is useful for organic refuse decomposing and disposing apparatus installed in apartments, independent house, vessels and business firms, to treat waste food ejected from kitchen, waste water produced by washing tableware, wood chip, inorganic material and shellfish shell.    ADVANTAGE - Reduces environmental pollution by treating the water ejected from refuse decomposing tank, so as to obtain biological oxygen demand of 300 or less. Increases capacity of the apparatus whose size is reduced, maintenance is simplified and its operating cost is reduced.    DETAILED DESCRIPTION - The organic refuse is supplied into the tank, through insertion opening (2) of a tube (3) adjacent to which water feed pipe is arranged. The tank has several stirring blades (9) for mixing the contents of the tank. Water is supplied by opening an solenoid valve of a water dispersion pipe. The water ejected from the tank (6), is supplied to multiple treatment tanks. The stirring shaft (10) is driven by a drive unit. The supply amount of water into the tank, is regulated using an electric control board. A waste water sterilization agent is installed in the drain pipe (20) connected to the tank. The starting and stoppage operations of the stirring shaft, are manually changeable. The treatment tanks have bio-treatment material to purify the water. When overflow is detected by corresponding sensor, supply of water to the tank, is prevented and the blade is rotated. Clogging of the drain wall, is prevented by a cleaning brush mounted on it. The lid of the insertion opening, is operated using a gas cylinder.    DESCRIPTION OF DRAWING(S) - The figure shows a left side view of sink and organic refuse decomposing and disposing apparatus. (Drawing includes non-English language text).    Sink (1)    Insertion opening (2)    Inlet tube (3)    Refuse inlet (5)    Decomposing tank (6)    Organic refuse (7)    Decomposing agent (8)    Stirring blade (9)    Stirring shaft (10)    Drain pipe (20)