Patent ID: 6284138
Filing Date: 2001-09-04
Classification: C02F,E03F,Y10S

Abstract:
A method for introduction of sewage pre-treatment in a pipeline infrastructure of a sewage treatment system upstream of a sewage treatment facility of the system and downstream of an untreated sewage discharging facility, said method comprising the steps of:(a) selecting a site in a pipeline infrastructure of a sewage treatment system between and external to an untreated sewage discharging facility and a sewage treatment facility of the system;(b) providing a source of biological activity enhancing agent at the selected site, said enhancing agent being an enzyme for increasing the microbial activity in the sewage flow; and(c) introducing the agent from the source thereof into a flow of untreated sewage at the selected site so as to convert the sewage from an untreated state to a pre-treated state in the pipeline infrastructure upstream of the sewage treatment facility and downstream of said untreated sewage discharging facility.