18 WATER / WASTEWATER Testing wastewater for COVID-19 to augment an already
busy market for water monitoring sensing technology In July 2020, the UK Centre for Ecology and Hydrology announced a standardised UK system for detecting coronavirus in wastewater, to provide an early warning of future outbreaks, reducing the reliance of testing large populations. Sewage surveillance is one of the most promising methods to identify hotspots. The virus can be detected in the sewerage and wastewater supplies and indicate the potential for a major outbreak.
Using sensors to detect pollutants in wastewater is not a new concept. Currently, facilities require checks of pollution levels such as COD, BOD, and trace metals. Instant identifi cation of viruses in the wastewater can narrow locations to a potential outbreak, preventing further harm before the virus has had a chance to take hold. This type of sensor network will have a lasting positive impact on many communities.
The UK detection system is being orchestrated by the UK government, consulting with universities, water companies and public research bodies. It aims to act in a similar way to that used in the Netherlands, run by the RIVM (the national institute for public health). This type of research will be benefi cial as it will provide the funding for developing new and creative sensor solutions to monitoring wastewater from residential and industrial locations. But why are new sensors useful?
The methods by which waste-water companies have their supplies monitored for pollution incident identifi cation have not changed in many years. These tried and tested processes require a worker to physically remove a sample, store it, and then take it to a lab where it is analysed. For some pollution identifying contaminants, this process from start-to-fi nish can take up to 10 days. As a result, it is common to log pollution incidents after it has had an impact on the community and environment. This raises the question - why the sensors cannot operate remotely? If they could, they would provide continuous monitoring levels, and give the waste-water companies a chance to identify pollution incidents earlier. The main barriers to adoption are simple: a lack of funding and a lack of desire to change. However, the plight of COVID will likely be the match to start this change. IDTechEx, an internationally renowned, independent market research, business intelligence and events organisation, predicts that the monitoring of the water and wastewater industry will be over £2Bn by 2030. These monitoring sensors will be benefi cial to the population and their surrounding environments. Overall, although there are sizeable start-up costs, research by IDTechEx predicts that the benefi ts will outweigh these costs.
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Continuous monitoring of waste-water systems occurs in other industries (such as semi-conductor manufacturing), to monitor trace metals. These sensors and technologies could be used in potable water and waste-water supplies for similar monitoring. Not only this, but waste-water plants which closely monitor their processes can also increase their power effi ciency. Pumps and blowers, for example, can be run at higher power levels only when they are required, based off monitoring measurements. The introduction of sensors into these industries can lead to increases in effi ciency for the plants, reduction in pollution from contaminants or waste materials, and more. The plight of COVID has highlighted this is a market which can benefi t from the collaboration between technology companies and water and waste-water providers.
This report includes market forecasts, player profi les, investments, and comprehensive company lists. This report is ideal for those looking for a deep understanding of the use of sensors in the water and waste-water industries.
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Built-in data logging for popular range of multi-parameter water quality instrumentation range
The new AquaSonde range from Aquaread brings built in data logging capabilities to their range of reliable multi-parameter water quality testing probes. The AquaSondes are powered by internal lithium batteries to extend the duration of your deployments for as long as 180 days, model and logging rate dependent. All AquaSondes feature an internal memory that is capable of storing up to 150,000 full data sets, that equates to over 3 years continuous data logging.
These logging devices can be deployed on their own for a discrete deployment or they can be deployed with a vented cable allowing for barometric compensation of measurements, specifi cally depth and % saturation of dissolved oxygen. Each AquaSonde is supplied with a QuickDeploy Key, used to initiate the probe’s logging regime and SondeLink PC software for complete logger set up, sensor calibration and data collection.
The Aquasonds feature programmable logging, event and cleaning rates. The fastest logging rate is 0.5Hz and slowest logging rate is 120 hours. Event testing and logging is possible on any single parameter programmable between 1 minute and 99 hours. Programmable cleaning rate is available when using the AP-7000 with its built in self cleaning system.
SondeLink is the free PC application used with all Aquasonds to provide live data viewing and logging directly to PC, full calibration with calibration report generation, retrieval of logged data with output to spreadsheet and text fi les, full setup utility and site name and GPS geotagging.
Each AquaSonde is supplied with a Quick Deploy Key. When fi tted to the AquaSonde, this unique device seals the connector, automatically starts the pre-programmed logging regime and provides instant visual indication of AquaSonde health, battery and memory condition.
This allows all programming of the AquaSonde to be performed at your offi ce using the PC application and the logging regime to be started at the precise time of deployment. It also provides peace of mind that the AquaSonde is operating correctly at the time of deployment.
All models feature an internal barometric pressure sensor that is used when calculating Depth and percentage saturation of Dissolved Oxygen. If the AquaSonde is to be deployed for more than a day at a time and accurate Depth and %DO values are required, a vented cable is recommended. For profi ling, dip testing or short-term deployment during which time the change in barometric pressure will be negligible, a vented cable is not necessary.
If a vented cable is to be used with the Aquasond then a special Data Hub is required. This option is a termination device for the vented cable that allows a desiccant bottle to be attached and provides a USB port for data retrieval and a visual indication of AquaSonde health, battery and memory condition.
By attaching a PC running SondeLink to the USB port, direct access can be gained to the AquaSonde allowing live data viewing, live data logging directly to PC, retrieval of logged data and full setup, all whilst the AquaSonde is submerged.
Finally there will soon be options for Bluetooth connectivity for use with mobile apps as well as embedded site data and GPS geotagging via the app. For More Info, email:
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Water Analysis
Silica LR
Silica HR
Chlorine free
Iron Ozone
pH
Chlorine total
Sulfate
Nitrate
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