BigPatents India

A Septic tank system (1) with sewage treatment plan comprising septic chamber (2) and the effluent chamber (3) connected by the connection means (5). The connection means includes a one-way check valve (6) operable to prevent reverse flow from the effluent chamber to the septic chamber. The outlet means (B) located at the top of said effluent chamber, operable to flow liquids out of the septic tank system to a drainfield. The said system comprises essentially a gas outlet pipe (12 & 13), which is connected to each chamber for release of the gas accumulated due to the decomposition of the wastes, which can be collected in gasholders for utilization. The gas outlet pipes also contains charcoal sieves for removing the unpleasant odour when the gas is not used and released in the atmosphere. (FIG. - 2)