Water / Wastewater 11 Is digitalisation the key to simple, cost-eff ective precision wastewater monitoring?
Water monitoring is essential to ensuring water quality, whether for drinking or industrial uses. However, traditional approaches are often expensive, time- consuming and do not empower the end user with information they can act upon.
Water is the basis of all life – plants, animals and humans – making it the most precious resource we have on earth, even more so in the face of climate change and other inconveniences that beset our water supply.
For the provision of clean water, suitable procedures, processes and technical systems for cleaning, monitoring, storage, distribution must always be applied.
Bottlenecks for this are the same around the world, such as the low availability of well-trained personnel, lengthy and complicated manual procedures, as well as correspondingly complex and mostly maintenance-intensive measurement and system technology.
The monitoring of waste water is extremely important so that early and targeted intervention can be taken, especially in industrial applications, and thus, problems can be remedied as quickly as possible.
The reaction time is also decisive, so that harmful pollutants, germs, bacteria, etc. are isolated and eliminated and are not re-introduced into internal processes or discharged into the water cycle.
Digital technologies are the most effective way to reduce the cost, time and labour associated with current water monitoring practices. Currently, monitoring is still largely analogue and is usually personnel-dependent, as well as extremely time-consuming. The resulting time delays not only affect the effi ciency of industrial plants, but also directly degrade water quality.
With manual processes, it is also much more diffi cult to identify and capture savings, because digital key indicators for process and operational optimisation are usually still missing.
If the COD value is determined in the laboratory, this takes between one and three hours, as standard-compliant thermal decomposition of the sample and treatment with chemicals are required. This delay prevents immediate adjustment and optimisation of the system control and often costs important time in which adjustments could have already been made.
DWTS24, part of sense4elements GmbH, offers a global software platform combined with excellent digital measurement technology in fi eld of waste water treatment. DWTS24 has already integrated IoT into their product and are working with big data applications to combine it with predictive services. The point is that in the future, signifi cantly more measurement parameters will be recorded digitally in order to derive customer-specifi c analyses and forecasts in real time.
Through years of research and development, a new optical measurement method suitable for mobile and outdoor use was developed to determine the COD (chemical oxygen demand) and BOD5 (5 day biological oxygen demand) within one minute.
As a measure for all organic compounds in the water, both parameters are among the central wastewater parameters alongside nitrate, nitrite and ammonium. The measurement technology developed by DWTS24 also offers the possibility of being able to measure COD and BOD5 without the use of reagents, since there is still no chemical-free analysis method for the quantitative determination of these process parameters.
The measuring device can be used to measure directly on site at the plant as well as in the laboratory and no sample pre-treatment has to be carried out for the tests. Each measurement is automatically sampled 1,000 times within a few milliseconds to reduce measurement errors while increasing measurement sharpness.
The measurement technology is extremely low-maintenance and very easy and self-explanatory to use. A cuvette made of optical plastic is used, which not only meets the high requirements of the measurement, but can also be easily disposed of in the household waste when emptied. By saving on previous COD cuvettes and reducing travel and working times when operating multiple systems, the purchase of the measuring device pays for itself after just six months.
DWTS24‘s customers benefi t from the fact that by integrating additional water parameters and local weather data, upcoming tasks, and important measures in terms of water quality can be better estimated and planned.
DWTS24 reduces time-consuming and cost-intensive activities, from which their partners and customers benefi t enormously.
A future approach could be a modular design of water treatment systems with standardised data interfaces, so that a system operator could choose between different device manufacturers and different providers of software solutions for his or her application to solve the present challange at the operator‘s plant.
With this approach, every supplier of measuring devices, software, etc. could concentrate on their best products, constantly expand them and thus also reduce production costs. The focus would be on the specifi c, daily applications and challenges of different customers, with the application deciding which product mix the provider is most suitable for. For More Info, email:
58238pr@reply-direct.com
New chemical resistant toroidal conductivity sensor for use in the harshest industrial conditions
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SQ
NON-CONTACT FLOW METER
NEW in ATEX!
World-class: The new RADAR FLOW METER for sewage and wastewater sets new standards in monitoring discharge.
Sensorex’s new TCSP series toroidal conductivity sensors have been designed for use with harsh chemicals or corrosive elements. With a measurement range up to 2,000 mS, it is a versatile sensor with applications across a broad range of applications that would damage typical contacting conductivity sensors.
The body is made of chemically resistant PEEK (polyether ethyl ketone) for use in aggressive chemical solutions and temperatures up to 266°F (130°C) and pressure up to 295 psig (9 bar). A built-in 1000 ohm Pt RTD provides output for automatic temperature compensation ensuring accuracy even when sample condition varies.
All Sensorex TCSP probes are supplied with a 9-conductor cable with tinned ends for easy connection to controller, transmitters and other devices. Available standard with 10-ft (3-meter) or 20-ft (6-meter) cables; custom lengths available on request.
For More Info, email: email:
For More Info, email:
58373pr@reply-direct.com
Non-contact Radar measurement of level and flow velocity
Maintenance-free operation No structural work in the water
Easy installati on and integrati on in existi ng systems
Mounted outside of the water Water-proof and submergible
www.sommer.at WWW.ENVIROTECH-ONLINE.COM
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