Newsletter | February 28, 2013

02.28.13 -- Arsenic Removal: 10 Years Of Lessons

Water Online Newsletter

In This Issue:

Featured Articles

Verify Fluid Flow To Your Analyzer And Keep Your Plant Running
By Sam Kresch, Product Manager, Fluid Components International (FCI)
No matter how sophisticated a fluid analyzer system may be, it will be ineffective if a sample flow fails to reach the analyzer sensor or if the sample is contaminated or stale.


Seepage Water Treatment: ZS Screw Blower Supplies Bacteria With Air
By Atlas Copco Compressor
In the seepage water treatment installation at the Münster waste management center, a screw blower from Atlas Copco supplies aerobic bacteria with air. The low-maintenance technology and the integrated frequency inverter were the deciding factors to use the energy efficient ZS 55+ VSD.


Monitoring Organics In Water For Reuse
By Real Tech Inc.
Water is used in many industrial processes for a wide variety of applications, including washing, diluting, cooling, heating, transporting, sanitizing, and processing.


Reducing Perchlorates: A Comparison Of Hypochlorite Options
By James P. Brennan, Arch Chemicals, Inc.
Switching from gas chlorine to sodium hypochlorite is no panacea. Now, adding to the burden is the proposed U.S. EPA regulation for perchlorate. Considering the factors that lead to excessive perchlorate formation, switching to calcium hypochlorite provides utilities another key advantage.

Industry News

Preservation Of Muni Bond Tax Exemption Critical To Infrastructure Expansion

Groups Urge Investigation Of EPA Actions In Texas Water Contamination Case

Clean Water Project To Create 2,000 Jobs And Protect Environment For Chicago

Contaminated Water: How Homeowners Can Find Protection

City Of Baltimore Approves $11.8M Amendment To MWH Contract

Bubbles Bubbles, Who Needs Bubbles? New Aeration Device Infuses Oxygen Into Water

EPA's $600M Effort Continues

New Reports Show Increased Bottled Water Recycling And Smaller Environmental Footprint

Cadmus Continues Support For Protecting And Restoring U.S. Watersheds And Water Bodies

Endress+Hauser Announces May Training Schools
View more headlines

Consultant's Corner

Arsenic Removal: 10 Years Of Lessons
By Lee Odell, CH2M HILL, and Sam Perry, Water Treatment Engineer, Washington State Department of Health
Since the U.S. EPA established the final arsenic primary drinking water maximum contaminant level (MCL) of 10 ug/L, which became effective February 22, 2002, many research projects, health effects studies, and deployments of new technologies have been completed. The purpose of this article is to try to summarize the key findings from the past 10 years of industry work on arsenic removal.

Arsenic Removal: 10 Years Of Lessons

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Featured Downloads

Produced Water Purification Application Note
The objective of this produced water purification project was to provide water quality suitable for feed water to the high-pressure, once-through steam generators

General Purpose Digital Gauge Brochure
The Ashcroft Type D1005PS general-purpose digital gauge has +/-½% full-scale, terminal-point accuracy including linearity, repeatability, and hysteresis.

MEGA-BOND Restraint Coating System Brochure
This coating system offers the excellent corrosion resistance typical of an epoxy, while actually improving performance in both impact and weathering resistance.

Acoustic Leak Detection And Condition Assessment Solution Video
See how Echologics acoustic leak detection and condition assessment solution helps utilities to reduce nonrevenue water, improve conservation, and prioritize capital spending — without breaking ground or disrupting service.

Sauereisen Wastewater Brochure
Sauereisen's roots run deep in the field of protective linings and restorative materials, with decades of experience in preserving the assets of the wastewater industry.

Disinfection Solutions For Municipal Applications
Siemens Water Technologies is the premier provider of disinfection technologies designed to meet your most rigorous demands in virtually any municipal water application, and give you access to both the latest advances and widest range of proven technologies.
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Water Online Radio

Decoding QA/QC For Water Quality Monitoring
Decoding QA/QC For Water Quality Monitoring

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McElroy Manufacturing, Inc.

Packaged Wastewater Treatment Plant
Packaged Wastewater Treatment Plant

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AEROMIX Systems, Inc.

Mueller Drilling And Tapping Equipment
Mueller Drilling And Tapping Equipment

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Mueller Co.

SpaceLock Pyramid Spacers
SpaceLock Pyramid Spacers

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Royal Environmental Systems

Duperon Auger Conveyor
Duperon Auger Conveyor

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Duperon Corporation

Eclipse Purge-And-Trap Sample Concentrator
Eclipse Purge-And-Trap Sample Concentrator

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OI Analytical

ME Series: Pleated Cartridge Filters
ME Series: Pleated Cartridge Filters

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Shelco Filters

Force Pilot Operated Solenoid Valve VZWF
Force Pilot Operated Solenoid Valve VZWF

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Festo Corporation

FilterTrak 660 sc Laser Nephelometer
FilterTrak 660 sc Laser Nephelometer

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Hach Company

VTS Internet Client/Server
VTS Internet Client/Server

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Trihedral Engineering Limited

WATERTRAK Reverse Osmosis
WATERTRAK Reverse Osmosis

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Aquatech International Corporation

Model 106/206 PR-AC
Model 106/206 PR-AC

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Singer Valve, Inc.

FOG Control
FOG Control

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In-Pipe Technology Company

High-Pressure Pumps
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BakerCorp

Z-88 Radium Removal Process
Z-88 Radium Removal Process

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WRT - Water Remediation Technology, LLC

Ovation Expert Control System
Ovation Expert Control System

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Emerson Process Management, Power & Water Solutions