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Wastewater Treatment System Upgrade

Wastewater Treatment System Upgrade

Wastewater Treatment System Upgrade

Location: Colorado Springs, Colorado

Services: , , , ,

Markets: Industrial

Highlights

  • Installation of a new waste water treatment system in a temporary location to allow for continuous operation during the demolition of an existing WWTS
  • Re-installation of the new system into the permanent location

Overview

Loureiro was contracted for the design and installation of a Wastewater Treatment System (WWTS) Upgrade. The old system was outdated, needed to be manually operated rather than automatically controlled, and had a sludge press that was difficult to operate. These factors resulted in the need for a new WWTS. Completion of installation, startup, and training for the new system was completed within three months. 

The WWTS was designed to minimize the risk of a wastewater permit exceedance in the wastewater discharge to sanitary sewer. The design included redundancy for pH probes and oxidation reduction potential (ORP) probes, as well as an automated control system equipped with interlocks to shut down the treatment system in the event of a malfunction.

Approach

A treatability study was performed on the effluent wastewaters generated from the plating and cleaning process line to determine the proper treatment methods. The treatability study was performed at Loureiro’s in-house analytical laboratory, Tunxis Laboratories, LLC.

Based on the results of the treatability study, the treatment technologies selected were equalization, batch chemical precipitation, and filter press filtration.  The treatability was also performed to confirm that concentrated acids and bases reclaimed from the plating and cleaning process line can be used for pH adjustment in the WWTS.    

The new WWTS was initially installed in a temporary location, next to the existing WWTS, to allow for the continuous operation of the new WWTS during the demolition of the existing WWTS. Once the existing WWTS was removed from the facility, the new WWTS was moved and re-installed in the permanent location.

Results

The goals of the WWTS Upgrade project were to:

  • Provide a robust WWTS with redundancy for critical equipment to minimize the risk of a wastewater permit exceedance in the wastewater discharge to the sanitary sewer
  • Maintain continuous operation of the new WWTS during the demolition of the existing WWTS
  • Substitute reclaimed acid and base for use in the WWTS, thereby reducing the cost of purchasing new wastewater treatment chemicals
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