TREATMENT ARTICLES

Secondary wastewater treatment improved with passive aeration, process control, report finds

Lux Research shows that traditional options for secondary wastewater treatment consume high amounts of energy and still leave excessive remnants of sludge. Increasing pressure from growing populati...

Tender announced for 260,000 m3/day wastewater treatment plant in Turkey

A tender has been launched for the construction of a wastewater treatment plant (WWTP) in the Turkish city of Kahramanmaras...

Xylem adds Mapal’s fine bubble aeration to its technology arsenal

Mapal Green Energy has partnered with Xylem Water Solutions to assist in the distribution of its floating fine bubble aeration technology...

OR county, construction contractor, resolve CWA violations in Sandy River

Richard Phillips Marine and Clackamas County Water Environmental Services in Oregon reached an agreement with the Environmental Protection Agency to resolve Clean Water Act violations that occurred...

Norway city to improve wastewater treatment with innovative technology

Xylem has been awarded a $1-million contract to supply wastewater treatment technology to two new plants in the city of Bergen in Norway.

Indiana WWTP improves disinfection with new closed-vessel UV system

In an effort to improve its wastewater disinfection facility, the city of Scottsburg, Ind., recently replaced a chlorine feed system with a new closed-vessel ETS-UV system provided by Neptune Benso...

Adapting to More Stringent Cooling Water Discharge Guidelines

Plant personnel across a broad spectrum must deal with tighter National Pollutant Discharge Elimination System (NPDES) guidelines for cooling water systems, as the Environmental Protection Agency a...

Fort Smith to launch 12-year, $255M upgrade to watewater collection, treatment systems

Fort Smith, Ark., will upgrade its sewer collection and treatment system over the next 12 years to reduce discharges of raw sewage and other pollutants into local waterways. The city will also pay ...

Nitrogen from recycled wastewater can benefit turf-grass growth, study finds

According to a new study conducted by the American Society for Horticultural Science, recycled wastewater can be beneficial for turf-grass growth because it contains valuable nutrients -- such as n...

WRD expands recycled water capacity to 8 million gallons per day

The Water Replenishment District of Southern California recently held a dedication ceremony for its newly expanded Leo J. Vander Lans Advanced Water Treatment Facility, which will now go from produ...

BUYER'S GUIDE COMPANIES

Chlorinators Inc

Chlorinators Incorporated manufactures devices for use of chlorine gas in municipal and industrial water treatment an...

BioteQ Environmental Technologies

Water treatment company that provides proprietary process technologies to treat industrial wastewater to comply with ...

Solvay America Inc

Offers hydrogen peroxide, calcium peroxide, HFC fluoridation additives, sodium percarbonate, soda ash and peracetic a...

LANXESS Corp

Water treatment products include Lewatit ion exchange and adsorber resins, functional polymers, gel-type cation excha...

BUYER'S GUIDE PRODUCTS

Back-Flush System

Both KLa Sysyems' Slot Injector™ Aerators and jet aerators are available with an optional Back-Flush System, enabling...

Complete Systems

A typical Slot Injector™ system consists of the Slot Injector aerators, in-basin piping system, back-flush system, li...

Slot Injector™

The Slot Injector™ system is similar to a modern jet aerator but uses a slot-shaped configuration to achieve higher e...

Effluent Decanters

KLa Systems floating Effluent Decanters are used to draw clarified liquid from near the liquid surface of sequencing ...