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

Background information 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). If […]

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

Download Novel Bare Amperometric Sensors to Provide Accurate Stabilized Bromine Dosing in Cooling Towers  Abstract Chemical biocides have been utilized in cooling towers to prevent biological growth for multiple decades. There are many commercially available chemical biocides, including liquid bleach, activated bromine products, and stabilized chlorine and/or bromine products. Stabilized bromine is a popular choice […]

Regional Water District – 105 operator hours per year in Cowichan Valleo

Background information The Cowichan Valley Regional Water District operates 17 surface and ground water systems and 2 reclaimed wastewater treatment plants. The district treats the ground water with potassium permanganate to oxidize the high content of manganese and iron in the water. The water is then filtered through green sand filters and industrial bleach is […]

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

Background information Duncan Family Farms®, a leading family-owned, multi-regional grower of over 7,000 acres of certified organic produce, today announced the installation of a highly effective, controllable and transportable treatment system for irrigation water. Challenge The installation, including five systems on organic baby tender leaf crops in Oregon, represents the first agricultural use of water […]

Case Study: When to perform a manual clean

Background information 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® […]

Automatic Sensor Cleaning (ASR®)

Background information 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 […]

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

Background information A Canadian drinking water facility experienced heavy, naturally occurring iron and manganese concentrations in their ground water source. Acommon water quality characteristic found acrossmany water treatment markets. Only a few weeks after initial install, compounds begin collecting on sensor. Challenge Iron and manganese present unique challenges to online chlorine analyzer technologies. As seen […]