Biosolids Management

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Jul 26 2018
Many times, city of Houston wastewater treatment plant (WWTP) operators have found effluent ammonia-nitrogen of several milligrams per liter in one…
Jul 25 2018
Michigan State University has teamed up with the Detroit Zoo in order to convert the facility’s waste into energy. The research team will implement…
Jun 5 2018
Kaeser screw blowers use up to 35% less energy than conventional rotary blowers and even achieve significant energy savings compared to currently…
May 23 2018
According to a report by WGBH, the city of Cambridge, Mass., has been mixing some of the food scraps pulled from its Curbside Composting program with…
Apr 10 2018
Founded in 1870, the city of Copperas Cove is located in Central Texas, roughly 70 miles southwest of Waco. Copperas Cove is primarily a residential…
Apr 7 2018
Energy is a huge portion of a WWTP’s operating costs, and aeration blowers are significant users. System-splitting with adaptive control reduces…
Mar 15 2018
Designing a blower aeration system for a wastewater treatment plant has many moving pieces. Each contributes to the overall health and efficiency of…
Jan 8 2018
In the Pilbara region of Western Australia, 1,200 km northeast of Perth, Roy Hill Iron Ore is developing an open-pit, bulk mining facility capable of…
Jan 8 2018
Dissolved air flotation (DAF) is widely applied to treat wastewater containing high pollution load that mainly is built up by solids and fat.…
Nov 7 2017
If flow diversion is not an option or the TSS and particulate BOD removal with Actiflo alone are not enough, a biological solids contact tank, …
Nov 5 2017
The EBS and FBS Series of rotary screw blower systems combines the energy efficiency savings of the Sigma Profile rotary screw air-end with the…
Sep 18 2017
A screw auger system transports the dewatered sludge when it is discharged from the belt press to the dump truck. Given today’s demanding wastewater…
Aug 20 2017
Wastewater treatment plants are trying to find ways to reuse their valuable sludge through anaerobic digestion, as well as lower their overall carbon…
Aug 16 2017
The Association of Nonwoven Fabrics Industry (INDA) announced the settlement of the class action lawsuit brought by the City of Perry, Iowa, in which…
Aug 14 2017
Ecrusor turns food waste and other wastes high in caloric value into useful energy. A compact and robust process, it depacks food waste in order to…
Aug 7 2017
MWH Constructors and Webcor Builders, a construction joint venture, was awarded a $939-million contract by the San Francisco Public Utilities…
May 30 2017
René Noppeney, global director of water technology products & innovation for Royal HaskoningDHV, and Peter Baumann, president and CEO of Aqua-…
Mar 30 2017
With the ongoing recovery of the American economy, construction projects are rebounding in the new residential and non-residential sectors. A major…
Oct 5 2016
Biostyr is designed for BOD removal, nitrification, denitrification and solids removal, with high energy efficiency and 20% of the footprint of…
Oct 3 2016
As one of the fastest-growing states in America, Utah is on track to double its population by 2050. For utility managers, this means struggling to…
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