The Rahway Valley Sewerage Authority (RVSA), which operates a large wastewater treatment plant in New Jersey, embarked on a green co-generation waste-to-energy project to power a portion of its operations. The plant’s management team became interested in pursuing the gas-to-energy power co-generation system for both environmental and cost reasons.
Since the first Coriolis flow sensors were introduced to the marketplace in the 1970s, the technology has evolved considerably. As the installed base for Coriolis grew, the sensors were being called upon to deliver data in environments with increasing levels of complexity. This meant that Coriolis sensors had to adapt and conform to a dizzying array of ever-changing installation requirements, process conditions, communication formats, and configuration parameters. The following article highlights four key advances in Coriolis flow measurement’s journey from the 1970s to today.
In recent years, the debate about which technology is best suited for level monitoring and open channel monitoring (OCM) applications has taken some traction. There are those who argue that ultrasonic level technology has been uncontested as the standard for level and OCM applications in the water industry. The counter-argument is that radar technology is more effective because it is more robust and accurate than ultrasonic technology.
Enhancing process reliability and increasing capacity are common issues facing water municipalities. On the one hand, community demographics are constantly evolving and water municipalities need to accommodate the impact to capacity requirements. At the same time, older systems that support pumping operations are not getting any younger and as control systems age, for example, it can become more time consuming to maintain equipment and more difficult to find replacement parts after systems have been in place for many years.
Achieving consistent water pressure is a challenge for geographical areas that have grown faster than the development of infrastructures to accommodate water demand and for businesses such as fast food restaurants and strip malls.
To ensure real-time monitoring of pump motor status at its five lift pumping stations, Sheboygan Regional Wastewater Treatment Facility, Sheboygan, WI, replaced its bi-metallic overload relays with Eaton’s Motor Insight™ overload and monitoring relays.
Vallviks Bruk AB, located about 200 km (125 miles) north of Stockholm, produces softwood kraft pulp and chemical pulp for export. Some years ago, increased environmental requirements led to a major investment in a biological treatment plant. Read the full case study to learn why ABB instrumentation was an obvious choice when the Swedish pulp producer Vallviks Bruk AB built a new plant for biological water treatment.
When I look back at 2016 one of the most significant trends I observed was the growing acceptance of ORP measurements, especially for monitoring disinfection. With one caveat, the ORP value measured in a solution provides an unambiguous measure of the disinfection efficacy.
United Water, a division of the global conglomerate Suez Environement, operates regulated water systems in eight states, and provides contract services to over five million people.
The Jimo, China, municipal wastewater plant was originally designed to treat a combination of municipal and textile wastewater (120,000 m3/d) with Class IB effluent limits for BOD, COD, ESS, TN, NH3-N and TP.
A landfill operator’s leachate treatment plant in Missouri required pH reduction following lime-softening and prior to the biological wastewater treatment process. Carbon dioxide (CO2) was chosen as a substitute for sulfuric acid due to improved process control and a reduced tendency to form scale.
To increase capacity within the existing footprint of a wastewater treatment facility in Michigan, two existing tanks were converted to aeration tanks with pure-oxygen aeration provided by Praxair’s In-Situ Oxygenation (I-SOTM) System.
Mid-to-large size facilities and campuses inevitably have hundreds of flow instruments to monitor, maintain, and repair. For a reliability engineer, ensuring that all instrumentation meets ISO 9000 or similar standards is a time-consuming responsibility. By Matthew J. Olin, President & CEO, Sierra Instruments, Inc.
As oil prices remain high, we are in the midst of a nation-wide initiative to seek renewable sources of energy to increase energy efficiency and energy security. Renewable energy accounted for 13.2% of the domestically produced electricity in 2012. Among the sources of renewable energy is the production of biogas from landfill gas (LFG) or digester gas. By Scott Rouse, VP Product Management, Sierra Instruments
Employing roughly 5,000 workers in 12 countries, Vandemoortele bakery and production plant owes its success to high standards of quality, innovative production technologies, and a flair for finding economic alternatives. The latest example is the SITRANS FC430 Coriolis flow meter.
A WWTP sought solutions to improve process control, as high centrate solids caused plant inefficiencies such as high wasting rates, inefficient capacity and loading, and stress on centrifuges. Read the full case study to learn how the RTC-SD solution controlled polymer dosing in real time, allowing the WWTP to improve solids capture and increase throughput.
Process instruments are used widely in water and wastewater treatment plants to monitor the effluent quality. However, their applications are not limited to monitoring effluent quality. These water and wastewater quality monitoring devices can be applied throughout the network of collection, treatment, and disposal
Instrumentation can give guarantee of proficient treatment processes of water quality parameters such as turbidity, pH, ORP, conductivity and dissolved oxygen. Instrumentation is done in the following aspects.
Measurement Techniques include, Gravimetric analysis or, simply, weighing, Colorimetry or spectrophotometry, Titration, and Mass Spectrometry:
Platforms on which instrumentation can be carried out include
Some of the instruments used in water management are:
ABB is the best partner throughout the entire water cycle. From extraction and treatment, to distribution and the management of the wastewater process, ABB supplies an extensive range of reliable measurement products and solutions. With the most expertise in water and wastewater applications worldwide, ABB is the partner to help customers choose the optimal measurement solution precisely meeting their requirements.
Rosemount Analytical, one of Emerson’s leading process management companies, is the world’s premier supplier of technologies for liquid and combustion analysis, process analysis, gas measurement, and emissions monitoring. With an 80-year legacy of manufacturing liquid and gas analytical products that have revolutionized the process industries, we continue to provide real, quantifiable analytical solutions.
Endress+Hauser has more than 50 years of experience in the areas of Municipal Wastewater, Industrial Wastewater, and Portable Water.
FLEXIM offers the most reliable measurement system for water production, treatment and distribution.
George Fischer Piping Systems is the sales, marketing and logistics organization for Engineered Piping Systems, Valves and Actuation, and Signet Instrumentation in the Americas. In addition, GFI provides our customers with a wide range of value add capabilities through the Custom Products group
For more than 60 years, Hach has been at the crest of the industry - finding solutions that help you best manage your water. Our analytical instruments and reagents are used to test the quality of water in a variety of industries and markets - from around the corner, to around the globe.
JCS Industries, Inc. was founded in 2002 as a product development company charged with developing an alternative to the current vacuum feed liquid doser technology for a worldwide manufacturer of water and waste treatment equipment. After one year of design and two years of beta testing, JCS developed the Model 4100 Automatic Vacuum Liquid Feeder.
We are committed to providing you with KROHNE's 83+ years of flow and level measurement expertise at your facility.
The Myron L Company, originally founded in 1957 as a Research and Development company, is a privately owned and operated California Corporation
Real Tech Inc. Is dedicated to providing high quality UV photometric and spectroscopic analytical instrumentation for the water and wastewater industry.
De Nora Water Technologies is a leading supplier of water and wastewater treatment solutions. We provide our clients with some of the industry’s brightest minds, advanced technologies, and quality products to provide you with truly efficient, cost-effective solutions to your water and wastewater challenges
Evoqua Water Technologies, formerly Siemens Water Technologies, is a leader in water and wastewater treatment products, systems and services for industrial and municipal customers. We offer a wide range of proven product brands and advanced water and wastewater treatment technologies, mobile and emergency water supply solutions and service contract options.
Swan Analytical Instruments is a leading manufacturer of high quality on-line analytical instruments for water analysis in applications such as high purity water, steam, condensate, cooling water, potable water, and effluent.
Thermo Fisher Scientific offers a full range of water analysis instruments from pH, ISE, conductivity and dissolved oxygen meters, electrodes and solutions, to colorimetry, titration and on-line process monitors.
Trihedral is recognized as a leading manufacturer of computer software for SCADA and HMI applications, particularly in the water & wastewater industry. The worldwide appeal of our software is demonstrated by a large and satisfied customer base spanning six continents.
WRT provides effective processes for removing radium, uranium and other contaminants from water. Our complete package of services includes process equipment, proprietary treatment media, safe exchange of media, and proper handling and disposal of used media