Overview of our Case Studies

State-of-the-Art water analysis systems enhance pool water quality in new swimming facility in Nunspeet, the Netherlands

In 2023, the municipality of Nunspeet inaugurated De Wiltsangh, a cutting-edge sports and leisure facility including an extensive and modern swimming area.

To meet the stringent water quality standards, Pro Water, the Dutch partner for Kuntze at De Wiltsangh, installed two Krypton® Multi systems in each pool.

For quality assurance, the dual Krypton® Multi systems in each pool are cross-referenced regularly.

De Wiltsangh benefits from substantial savings on personnel and cleaning agent expenses, making it a frontrunner in efficient and sustainable water management.

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Cloud Connect® Insights

A small drinking water plant uses both ground and surface water as the influent to their treatment process. The Hach Cl17 could not perform in this environment due to rapidly changing concentrations of disinfectant and the heavy manganese creating false positives on the measurement. Meanwhile using a membrane sensor would be too costly. Kuntze’s solution removed the need for pH buffer and high consumable and reagents of competing technologies, and Cloud Connect® was able to optimize customer processes and provide an actual compliance solution saving the water plant time and money.

Eighteen Kuntze Krypton® Multi improve the water quality for North Area

Noréade is a public establishment for intermunicipal cooperation located in the north of France. The main areas of service are water distribution and sanitation in a territory of approximately 1 million inhabitants. 99% of the water distributed by Noréade comes from groundwater aquifers. The aquifiers are fed by rainwater, which seeps through the ground and the geological layers, picking up minerals and ions.

To prevent bacterial growth in the water, it is crucial to keep a level of 0.3 and 0.5 parts-per million (ppm) for free chlorine. To stay under this threshold level, Noréade previously made use of colorimeter technology which required adding a reagents. As the previous system required reagent usage, the sample water could not be discharged into the aquifier, but had to be collected and disposed as chemical waste. The customer required a new technology that provides reliable measurements, reduces maintenance and prevents contamination of the sample water.

Kuntze's automated, reliable and accurate analysis systems give multinational pork producer COEXCA S.A. a lot of stability in measuring feed water quality in its production processes

COEXCA S.A. is Chile’s second largest pork meat production and processing company. A critical factor is the quality of the feed water, which is highly dependent on the level of free chlorine in the water. To measure this threshold, COEXCA previously used a system that was not precise enough and required a lot of maintenance and calibration.

The water purification company Voens S.p.A. utilizes Kuntze's state-of-the-art analysis systems for measuring water quality in a production center high up in the Chilean mountains.

Voens S.p.A. is a company headquartered in Santiago, Chile that provides water conditioning equipment and water purification systems. As such, in all of their production processes the amount of free chlorine in the water must be strictly between 0.3 and 0.5 parts-per million (ppm). For measuring this threshold level, the company previously made use of mechanically cleaned sensors.

Kuntze technology helps food processing plant in Nebraska to resolve QM issues and to save 650,000 gallons of water/year

A pet food processing plant uses Hydroflex cooling tunnels, which have 3 washing and rinsing zones with a tank capacity of about 2,000 gallons. The plant was using an amperometric online analyzer to control and to monitor the residual of two biocides. Due to the high organic contamination of the cooling water, the sensor of the competitor analyzer fouled quickly, causing drifting and residual control issues.

Drinking water treatment in Canada: Automatic Sensor Cleaning (ASR®) in ground water

A Canadian drinking water facility experienced heavy, naturally occurring iron and manganese concentrations in their ground water source.

A common water quality characteristic found across many water treatment markets. Months after initial install, heavy compounds removed due to Kuntze ASR® technology.

Automatic Sensor Cleaning (ASR®)

This analyzer was installed in a drinking water application sourced from ground water using free chlorine chemistry.
The ground water source contained high amounts of iron and manganese, which fouled the probe. The operators in charge of the equipment found themselves frequently manually cleaning the probe. After using Cloud Connect® to view and analyze the data, Kuntze Trial Managers instructed the customer to increase the Automatic Sensor Cleaning frequency to one cleaning per day.

Innovative Kuntze analyzer resolves disinfectant feed control challenges in a northwest ground drinking water system

A public ground drinking water system (DWS) located in the Pacific Northwest serves about 15,387 connections. The DWS treats the spring water with chlorine gas and for the seasonal-operated wells either liquid or solid chlorine systems are used.

The Kuntze Krypton® Multi System reliably controls the disinfectant residue so that DWS can continue to use Correct Equipment’s preferred chlorine tablet system.

Case Study: When to perform a manual clean

This analyzer was installed in a drinking water application using free chlorine chemistry. The customer noticed that the analyzer signal was consistently lower than their reference measurements. According to USEPA 334.0, their analyzer signal had to be within ± 0.1 ppm of their reference measurements to stay in compliance. After using Cloud Connect® to view and analyze the data, Kuntze Trial Managers instructed the customer to perform a manual clean of their Zirkon® DIS probe.

This recommendation could not have been made without using Cloud Connect® to visualize the data.

Duncan Family Farms® is first to install innovative irrigation water treatment system

Duncan Family Farms®, a leading family-owned, multi-regional grower of certified organic produce. The installation, including five systems on organic baby tender leaf crops in Oregon, represents the first agricultural use of water treatment systems from Germany’s Kuntze Instruments. “We were looking for the best solution to safely meet the recently adopted Leafy Greens Marketing Association (LGMA) sanitation requirements for irrigation water, and Kuntze presented impressive technology that could positively impact our growing operations and the entire fresh produce industry,” said Jeremy Vanderzyl, Director of Technical Services.

Kuntze analyzers save $16,350 operation expenses per year in an Alberta surface water drinking system

A public surface drinking water system (DWS) located in Alberta operates three drinking water treatment plant and three drinking water storage systems. The DWS used both a membrane-covered amperometric sensor and an on-line colorimetric sensor to control and monitor free chlorine residual levels in their drinking water systems. Both analyzer systems required significant preventative maintenance. While both analyzers were able to stay in the residual target range, the Krypton® Multi system had on average less deviation from the reference measurements providing more accurate readings.

Industry Case Study: Cooling Tower Application

This analyzer was installed on a cooling tower using free chlorine and activated bromine chemistry.
The operators noticed that they were having a hard time meeting their minimum target oxidant residual. Around the same time, the operators also noticed a large drop in their ORP measurement. Using Cloud Connect® and input from the tower operators, the Kuntze support team looked further into the issue

With the Cloud Connect® service, Kuntze has created a solution that enables central administration and sensor analysis. The Kuntze measuring devices communicate with each other via a bus system and send data to a secure cloud storage using the Kuntze Cloud Connect® gateway, either via 4G or local internet connection.

Regional Water District - 105 Operator Hours Per Year in Cowichan Valley

The Cowichan Valley Regional Water District operates 17 surface and ground water systems and 2 reclaimed wastewater treatment plants. The district previously used 7 membrane analyzers from Severn Trent Services Capital Control® to monitor the free chlorine residuals in the storage tanks and at the end of the drinking water discharge lines. The analyzers experienced drift due to the challenging water conditions and required at least one calibration per month.In order to improve measurements and to reduce preventative maintenance, ClearTech suggested the installation of the Kuntze Krypton® Multi analyzers to monitor the free chlorine residuals.  The district liked especially Kuntze’s Automatic Sensor Cleaning technology (ASR®), which automatically runs up to once per day preventing the sensor from fouling.

Novel Bare Amperometric Sensors to Provide Accurate Stabilized Bromine Dosing in Cooling Towers

Through this case study, we hope to demonstrate the viability and utility of bare amperometric sensors for measuring stabilized bromine concentration in industrial cooling towers.

To demonstrate that bare amperometric sensors could accurately measure stabilized bromine products, we installed a sensor in a 200-ton cooling tower at an industrial plant in the suburbs of Chicago. The cooling tower for this case study is timer-fed, meaning a highly concentrated solution of biocide is introduced at the beginning of the tower’s operation cycle and is consumed as the tower runs. For the second phase of the study, we established control using a chemical dosing pump that is directly informed by the bare amperometric sensor signal.

The Chilean Multinational Celulosa Arauco y Constitución S.A. automates water quality measurements while producing pulp with state-of-the-art Kuntze analysis systems

Celulosa Arauco y Constitución S.A. is a global company headquartered in Santiago, Chile that develops quality products based on renewable forest resources such as pulp, coated boards or moldings. For all its production processes, the amount of free chlorine in the production water must be strictly between 0.8 to 1.2 parts-per million (ppm). For measuring this threshold level, the company previously made use of mechanically cleaned sensor, which was not sufficient and required frequent manual cleaning and calibration.

For more efficient and precise measurement of water quality, the Chilean Kuntze partner “Analitiks SpA.”, installed a Krypton® Multi multi-channel water monitoring system for the measurement and control of free chlorine and pH at Celulosa Arauco y Constitución S.A. In doing so, our partner was able to solve our client’s challenges with great success.