Analytical Technology's Diverse Range of Water Monitors Enables Cost-Effective Compliance for the Paper and Board Industry

27th September 2007
Posted By : ES Admin
Analytical Technology's Diverse Range of Water Monitors Enables Cost-Effective Compliance for the Paper and Board Industry
Analytical Technology Inc. (ATi) announces that its diverse range of water monitors offers unique benefits for the paper and board industry, enabling timely and cost-effective regulatory compliance. The treatment of effluent generated from paper and board manufacturers in the UK is governed by strict regulations such as consent to discharge to public sewers, governed in the UK by the Environment Agency and by water companies. European consent conditions for discharge to controlled waters are becoming ever more stringent, with the risk of legal proceedings for continued consent failure. ATi's monitors provide dependable and accurate results, helping paper manufacturers to easily and quickly comply with these rules.
ATi supplies a range of gas and water monitors for a variety of applications, and is fast becoming the de facto company for chlorine monitoring. The measurement of chlorine in wastewater effluent in the paper industry is often carried out using strongly reducing sulphur compounds, thereby eliminating toxic chlorine residuals. According to EU regulations, residual chlorine discharge limits should be little above zero, meaning that the measurement of residual values is very difficult. With many conventional chlorine monitors, controlling residuals at values between zero and a few hundred parts-per-billion is often not achievable. ATI's A15/66 residual sulphite monitor allows continuous measurement of sulphite residuals over ranges of either 0-2 or 0-20PPM while reducing chemical expense to a minimum. With the A15/66 system, the sensor never comes in contact with the wastewater sample, resulting in a system that will continue to function regardless of the quality of the effluent, making the monitor invulnerable to fouling.

The disposal of dissolved hydrogen sulphide in public sewers is strictly regulated by the Environment Agency and water companies through the granting of consent to discharge. Many paper mills have wastewater consent to discharge level of 1.00ppm of dissolved hydrogen sulphide. The A15/81 dissolved hydrogen monitor from ATi is the only instrument available on the market capable of achieving continuous, precise, sensitive and direct measurements of true dissolved hydrogen sulphide levels in water. ATi's A15/81 monitor removes the need to analyse samples in a laboratory by enabling sampling at any point in the wastewater process, while also requiring very little maintenance due to non-contact gas phase measurement.

Turbidity measurement is often necessary as part of the discharge monitoring from paper and board manufacturers, as sensor fouling can be a major problem. Turbidity is a general indicator of the optical clarity of water and is defined as the amount of light scattered from particles in solution. ATI's D15/76 auto-clean turbidity monitor is designed to meet the needs of industrial water treatment for reliable, low-range turbidity measurements. With an air-blast cleaning system that automatically cleans the sensor as often as necessary, the D15/76 completely eliminates sensor fouling and maintains reliable measurements of turbidity in wastewater.

Mike Strahand, General Manager Europe at ATi, comments: Analytical Technology is committed to developing and improving the sensing technologies that help ensure the quality of the environment in which we live and work. Our sensors are at work 24 hours a day, 365 days a year, year after year, improving the control of potable water and wastewater treatment and helping paper and board manufacturers comply with the strict regulations. Our innovative methodology is set to revolutionise the way effluent treatment is processed.

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