Case study
Grand Island, Nebraska WWTP refurbishment project

Low maintenance and built-in redundancy - Grand Island, Nebraska

As a critical part of a $21.5 million upgrade to its wastewater treatment facilities, the City of Grand Island, Nebraska, has invested in an advanced grit removal system for high-performance grit...

16 December 2015

Case study
HeadCell units at Council Bluffs Water Pollution Control Plant, Iowa

Improved fine loess sand removal - Council Bluffs, Iowa

A successful project at the Council Bluffs Water Pollution Control Plant, Iowa, replaced an outdated aerated grit basin to improve fine loess sand removal and reduce digester cleaning in the...

9 December 2015

Case study
Aerial view of HM Weir Wastewater Treatment Plant, Saskatoon, Canada

Bridging the Gap Between Odor and Grit Removal - Saskatoon, Canada

Saskatoon is known throughout Canada as the “Bridge City” due to the seven bridges that cross the South Saskatchewan River in the city’s downtown district. Several kilometers to the north...

3 December 2015

News & Opinion
A typical aerated grit basin

Intermittent operation - an irresistible attraction?

Operating wastewater treatment plant processes or equipment intermittently offers the irresistible attraction of reduced energy costs. But take the practice too far, or in the wrong circumstances,...

2 December 2015

Technical paper
Snail shell image

Accelerated Gravity Removal of Snail Shells from Trickling Filter Plants

Accelerated gravity separation has been successfully used to remove and classify grit for over twenty years.  Several installations and pilot study demonstrations in California, Oklahoma, and...

25 November 2015

Technical paper

Advanced Sludge Degritting - A Cost-Effective Solution to Abrasives Removal

Wastewater treatment plants are significantly impacted by grit, and the majority of installed grit removal systems fail to keep settleable grit out of the plant. Grit is a nuisance material,...

17 November 2015

News & Opinion
Teaser image

Climate: the effect on grit

Grit removal is important to any wastewater treatment plant, as the cost of grit that accumulates in downstream systems is significant. But climatic factors may place an additional load on the...

16 November 2015

  • No more results

Get access to restricted resource

Please provide us with your name and email address in order to get access to this resource.