Case study
Warren County WWTP, Ohio - VLR 1 full of grit

Defeating the Warren County "grit monster"

Few wastewater treatment plants (WWTPs) get to experience the disaster of what actually happens if a plant has absolutely no grit removal in operation at the headworks. At Warren County, in Ohio,...

16 June 2016

Case study
A sewage digester at the St Bernard Parish WWTP, Louisiana

Reduced energy cost, increased capacity - St Bernard, Louisiana

The problem: a damaged, underperforming plant Meraux, Louisiana is located near New Orleans in St Bernard Parish, an area hard hit by hurricane Katrina in 2005. Excessive damage to the Parish's...

17 February 2016

Case study
Chart showing the typical cost to a wastewater treatment plant incurred per year due to grit missed by an aerated grit basin

Calculating the Cost Of Grit - Aerated Grit Basin

As much as 60% of grit is being missed Research conducted by Hydro International suggests that, on average, 60% of all grit is being missed by conventional grit removal systems. This grit passes...

29 January 2016

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A successful project at the Council Bluffs Water Pollution Control Plant, Iowa, replaced an outdated aerated grit basin to improve fine loess sand removal and reduce digester cleaning in the...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

Big Sandy River, Kentucky

With a name like the “Big Sandy River”, it’s no surprise that extracting water for drinking presents challenges for treatment plant operators. Two treatment plants situated along this...

30 November 2015

Case study
Teaser image

Bonnybrook, Calgary

The City of Calgary has installed the world’s largest ever HeadCell® grit removal, classifying and dewatering system to protect downstream processes at the Bonnybrook WWTP from abrasion and...

16 November 2015

Get access to restricted resource

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