An apparatus for agitating small batches of septic waste material contained in a processing tank into sludge material and waste water using an oxidizing agent and a flocculating agent. The apparatus includes at least one agitator with a non-rotating mixing implement that extends into the ...http://www.google.es/patents/US5826979?utm_source=gb-gplus-sharePatente US5826979 - Waste material processing apparatus and method
