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Wastewater Treatment Strategies
- Volume of daily flow
- Biochemical characteristics of the wastewater (including the organic strength) and the
presence of any materials that are difficult to treat
- Proximity to a municipal treatment plant
- Regulations of the local health department and federal or state Environmental
A complete wastewater treatment system consisting of some or all of the following:
a) A pretreatment device such as a Modulair flow
equalization tank, a Lift-Rail grinder pump station or a Norweco comminutor
b) An aerobic wastewater treatment plant such as a Modulair
wastewater treatment plant for small to medium size flows or Travalair wastewater
treatment plant for medium to large size flows
c) A disinfection system such as a Bio-Dynamic tablet
feeder prior to a contact tank
d) Any one of a number of appurtenances designed to provide
operational flexibility, aid in monitoring or reporting, or accomplish
environmental protection goals
- A raw sewage pump station for
higher volume flows, such as Lift-Rail or Posaprime, to move the
raw wastewater to a municipal treatment plant or other remote
location for treatment
systems are designed in accordance with the guidelines set forth in
RECOMMENDED STANDARDS FOR WASTEWATER FACILITIES, commonly known as
"Ten State Standards."
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Norwalk Wastewater Equipment Company, Inc.
Street Norwalk, Ohio, U.S.A. 44857-1156
1-800-NORWECO Phone: (419) 668-4471 Fax: (419) 663-5440
2006 Norweco, Inc. All rights reserved.
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Municipal systems treat domestic wastewater
from a number of homes, businesses, schools or similar institutions along with small
amounts of industrial wastewater from factories and industries.
Usually the volume and characteristics of
the wastewater outside the domestic spectrum are regulated and controlled.
Typical flow volume ranges from 100,000 to
hundreds of millions of GPD. Municipal systems usually have full-time operators who
provide maintenance and monitor performance anywhere from weekly to several times per day.