Patent ID: 8784739
Filing Date: 2014-07-22
Classification: A47K,A61L,E03D,F23G,Y02A,Y10T

Abstract:
1. A pit latrine retrofitted for deodorizing air in a vicinity thereof, the latrine comprising: (a) an underground structure having a toilet opening and a pump-out opening, wherein the underground structure defines a vault configured to store solid and liquid waste; (b) a vented, housed user area located above the toilet opening, the user area including at least one toilet, wherein the at least one toilet is in fluid communication with the toilet opening such that the solid and liquid waste from the at least one toilet empties into the vault, wherein the pump-out opening of the underground structure is located outside the user area; (c) a unit having a flameless heater configured to perform an oxidation reaction, wherein the unit is housed separately from the user area; (d) an open gas-flow conduit having a first end and a second end, wherein the first end of the open gas-flow conduit is attached to the underground structure at the pump-out opening and the second end of the open gas-flow conduit is attached to the flameless heater, wherein the open gas-flow conduit is in fluid communication with the vault, wherein the flameless heater is in fluid communication with and in continuous and uninterrupted one-way gas flow communication with the at least one toilet such that ambient air is drawn through the at least one toilet and into the flameless heater; and (e) an out-gas conduit attached to the unit and in fluid communication with the flameless heater, wherein the out-gas conduit is configured to emit deodorized gases from the flameless heater into the air.