Water Quality Articles on Environmental XPRT

Quality assurance and Quality control technical note

Introduction For almost 50 years HYDROLAB products have provided dependable sensor technology in a multiple parameter instrument for montioring essential indicators required for assessing water quality in natural waters. Useable data are the lifeblood of any environmental water quality monitoring program and variation in measurement processes impairs the quality of the data that water ...

Jun. 2, 2017

By The OTT Hydromet Group

MSD’s Morris forman water quality treatment center - Dual stage custom system - Case study

Summary MSD’s Morris Forman Water Quality Treatment Center is designed to treat 120 MGD of raw wastewater. In addition, all of the biosolids from Louisville’s other treatment plants are processed at the Morris Forman plant. Up until several years ago, air from much of the solids handling processes were treated by ...

Jul. 25, 2017

By Biorem Technologies Inc.

Queensland: a water sensitive future

South East Queensland (SEQ) is planning a water sensitive future for the region and its cities. In order to the transition to be successful, it is necessary to develop an implementation plan. This plan aims is to identify a common vision that focuses on the transition pathway and mechanisms the region needs, to become a water ...

Aug. 3, 2017

By Geoplast US Corp.

TKN/Ammonia in Water & Wastewater by Steam Distillation

The determination of total Kjeldahl Nitrogen (TKN) in water and waste water is a routine procedure used to ensure water quality. A simple and fast procedure for TKN determination as described in ISO 5663-1984, EPA 351.3, and AOAC 973.48 regulations, is introduced below. The sample is digested with sulfuric acid using the SpeedDigester K-436 or K-439, followed by distillation and titration with ...

Apr. 30, 2010

By BÜCHI Labortechnik AG

Chemical Oxygen Demand and Biochemical Oxygen Demand results in 15 minutes - Case Study

Arauco, a Chilean pulp and paper company, has been using a PeCOD® Analyzer in full-scale operations since 2013. As a result, the company has reduced the use of hypochlorite in its bleaching processes with no loss of product quality, and decreased the amount of organics in its wastewater stream. The net result was a further reduction in chemicals and energy used in water treatment that saved ...

Aug. 10, 2017

By MANTECH

Innovation and efficiency at the forefront of long-standing partnership

Wiltshire-based Malaby Biogas operates one of the few independent anaerobic digestion (AD) plants in the UK, specialising in the diversion of food waste from landfill. Its Bore Hill Farm Biodigester provides a combined waste disposal and energy generation solution in one safe, clean and highly-efficient process and the facility has gained a wide-ranging ...

Aug. 21, 2017

By Geotech

Effective Equipment Grounding

The quality of the electrical wiring and grounding in a facility containing sensitive electronic equipment is one of the most important and least understood aspects of electrical power systems. Properly designed and maintained wiring and grounding systems are necessary to ensure personnel safety and protection of data and telecommunications equipment. Effective grounding creates an electrical ...

Jul. 21, 2017

By EPG Companies Inc.

Oxygen Monitors now Required for Nitrogen, Argon, Helium, and CO2 use in Denver

The Colorado city of Denver recently passed a new law that requires facilities that use insert gas to install oxygen deficiency monitors wherever these gases are used in excess of 100 pounds. Learn what the new law requires from businesses and how an oxygen sensor protects your employees, your business, and your peace of mind. What Denver's New Law Requires The law ...

Aug. 1, 2017

By PureAire Monitoring Systems, Inc

Valeport Supports Search for New Marine Discoveries

Valeport’s latest CTD profiler is supporting scientists with leading edge research to expand knowledge of marine biodiversity. The fastCTD profiler has been designed to deliver the ...

Aug. 7, 2017

By Valeport Ltd

EC Publishes NanoData Landscape Compilation Reports

On June 8, 2017, the European Commission (EC) published eight ...

Aug. 7, 2017

By Bergeson & Campbell, P.C.

United States Coast Guard (USCG) Implements Handheld Technology for Onboard Oil Testing in New Cutters - Case Study

With a motto of “Always Ready,” the United States Coast Guard (USCG) has 11 missions specified by law including drug and migrant interdiction; ports, waterways and coastal security; fishery patrols; search and rescue; and national defense. The USCG’s newest ships include 22 Fast Response Cutters (FRCs) which recently entered service, and 36 more are currently on order. ...

Aug. 1, 2017

By Spectro Scientific

Reducing Wasted Food In Tennessee

About 15 percent of Tennessee households are food insecure, and almost 1.2 million tons of food are landfilled annually. The state is moving quickly to address both realities. It is increasingly apparent that food waste and food insecurity in the United States is a problem, and it has especially hit home in Tennessee. An estimated 15.1 percent of Tennessee households are food insecure, which ...

Aug. 11, 2017

By BioCycle Magazine

Recycled Water Quality

Matching recycled water quality to beneficial uses requires an understanding of health and environmental requirements. Measures to achieve appropriate recycled water quality are determined firstly by treatment. The degree of treatment depends in part on the source and the hydraulic and biochemical characters of the wastewater. Overall recycled water outcomes may also be controlled ...

Apr. 2, 2012

By IWA Publishing

Water quality in healthcare

Rivers are important freshwater resources for many countries and human beings around the world. Social well being, economics and political development have been largely related to the availability and distribution of these freshwater resources. In many parts of the world the adverse health impacts of water supply from rivers, dam construction, irrigation development and flood mitigation have led ...

Apr. 22, 2008

By Inderscience Publishers

Water Quality Models

' In order to determine the impacts of a particular discharge on ambient water quality, it is usually necessary to model the diffusion and dispersion of the discharge in the relevant water body. The approach applies both to new discharges and to upgrading of existing sources. This note provides guidance on models that may be applicable in the context of typical Bank projects.' Introduction ...

Jan. 1, 1997

By The World Bank

Mining Water Quality Application

Isaac Plains Coal Mine Isaac Plains is an open cut coal mine, in Northern Queensland, Australia. The Isaac Plains Project operates under an Environmental Authority (EA). One of the environmental monitoring requirements which must be met is monitoring water. These include potable water, mine affected water, natural creek flows, water releases, groundwater and the receiving environment. The ...

Jul. 6, 2013

By ANDalyze

Water Quality and Purity

Even an advanced country like the United States is facing significant water problems relating to availability, purity, and quality. Over 700 chemicals have been detected in U.S. drinking water as it comes out of the tap. EPA has classified 129 of them as being particularly dangerous. Drinking bottled water does not assure the absence of ...

Apr. 6, 2012

By IWA Publishing

Drinking Water Quality

The quality of drinking-water is a powerful environmental determinant of health. Drinking-water quality management has been a key pillar of primary prevention for over one-and-a-half centuries and it continues to be the foundation for the prevention and control of waterborne diseases. Water is essential for life, but it can and does transmit disease in countries in all continents – from the ...

Mar. 8, 2012

By IWA Publishing

Tools to improve water quality

This post is part of a series on World Water Week, an annual event designed to draw attention to and discuss global water issues. Read more posts in this series. Agricultural production often comes at the expense of water quality. As my colleague, Mindy Selman, ...

Aug. 29, 2012

By World Resources Institute WRI

Water Quality Monitoring and Assessment

The book attempts to covers the main fields of water quality issues presenting case studies in various countries concerning the physicochemical characteristics of surface and groundwaters and possible pollution sources as well as methods and tools for the evaluation of water quality status. This book is divided into two sections: Statistical Analysis of Water Quality Data;Water Quality Monitoring ...

Jul. 25, 2012

By IWA Publishing

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