All Case Studies

Jul 12 2002
Don Utz, the President of Metalcraft, 55943 Hoosier Avenue, Mishawaka IN 46545, utilizes a Wire Electronic Discharge Machine for machining. Their…
Jul 11 2002
Installation of a new system that grinds, washes, compacts, and dewaters bar screenings at the Meriden(CT) Water Pollution Control Facility has…
Jul 3 2002
Brackish water at the Brandon Shores Power Plant on the Patapsco River in Maryland (owned and operated by Constellation Power Source) was eroding the…
Jul 3 2002
Pumping the Everglades clean When the Florida Legislature passed the Everglades Forever Act in 1994, it enlisted the help of pump manufacturer…
Jul 2 2002
The superintendent for a midwest quarry had pump control dilemmas. The existing float system was failing the quarry on several accounts. The float…
Jun 26 2002
Colorado Springs, CO WWTP - Colorado Springs had mechanical and process problems with their submerged directional mixers, which were causing…
Jun 25 2002
In the late '90s, organic and ammonia loadings to Leacock Township, PA STP increased to the point where they routinely exceeded the nominal design…
Jun 25 2002
The problem associated with reverse osmosis produced water is not in the processing, nor in the ability to provide needed quantities of water to…
Apr 8 2002
Bio Stimulants Lower WWTP Sludge Disposal Costs The Problem: How can the cost of aerobic digestion of waste activated sludge be lowered? How can…
Feb 7 2002
From Farmland to Flower Beds: Mountain City, Tenn.’s WWTP Improves Quality of Biosolids Challenge A few years ago, the Mountain City, Tenn.…
Jan 28 2002
City of Goldsboro, N.C. Strikes Gold with Its New Biosolids Management Program Challenge Like many other growing communities, the city of…
Jan 28 2002
Reclassifying Forest City, N.C.’s Biosolids Program Challenge In addition to treating wastewater, Forest City, N.C.’s wastewater treatment plant…
Jan 2 2002
The City of Albuquerque depends entirely on groundwater from 93 deep aquifer wells to supply water to over 400,000 residents. Traditionally,…
Dec 27 2001
Wastewater from manufacturing operations typically lacks the nutritional building blocks necessary to effectively sustain wastewater microbial life…
Geometric mean is the anti-log of the sum of the logs divided by the number of samples
Geometric mean is the anti-log of the sum of the logs divided by the number of samples.
Nov 7 2001
Since a geometric mean is the anti-log of the sum of the logs divided by the number of samples and the log of zero (0) is not defined, three…
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