Valmet will supply 22 Valmet Total Solids Measurements to the Greater Paris Sanitation Authority’s (SIAAP) Seine Aval wastewater treatment plant in France. The measurements were purchased by the technology provider: the temporary joint-venture between OTV and STEREAU, OTV being the mandatary. The measurements will be installed in the plant’s new primary decantation to accurately measure the total solids of the sludge, produced by lamellar settlers.
The order was included in Valmet’s orders received of the fourth quarter 2021. The measurements will be delivered during the second quarter 2022.
The SIAAP plant is about to undergo a transformation. The existing static settlers are replaced by lamellar settlers, including a new pumping station and an additional pretreatment stage. The goal of the new unit is to increase process performance and to reduce nuisance for the neighborhood. The measurements will help the customer in daily process control to ensure the right sludge concentration for downstream process. In addition, they will bring energy savings and further environmental benefits.
"We were confident about the choice of Valmet’s sensor. We made a two-month trial last summer by installing a Valmet Total Solids Measurement on an existing customer process together with the Valmet team, which fully convinced our client. The results were better than expected, especially considering the short time we had to commission the sensor," says Jerome Caubit, Project Director, OTV.
Valmet will supply 22 microwave solids measurements to the Greater Paris Sanitation Authority in France
"Valmet Total Solids Measurement utilizes the latest microwave technology and is already recognized as a reliable and accurate sensor in several wastewater applications. We see that the demands for this kind of measurement are constantly growing," says Christian Guerry, Sales Manager, Automation, Valmet.
Technical details about the delivery
The delivery consists of 22 measurement units and services. Valmet Total Solids Measurement is an inline microwave solids measurement, offering a real-time measurement to control and optimize the solids treatment process. As the most reliable and accurate analyzer for wastewater applications, Valmet Total Solids Measurement enables savings in polymer dosing, energy, and transportation. The measurement utilizes microwave technology to determine total organic and inorganic solids content in the range of 0-50 percent dryness.
Information about the customer
SIAAP, the Greater Paris Sanitation Authority, was established in 1970. It transports and treats wastewater for nine million people in and around Paris. SIAAP has six wastewater plants in the Paris region. The Seine Aval plant, second largest wastewater treatment plant in the world, is currently undergoing an extensive modernization project, where OTV, a subsidiary of France based Veolia Environnement, is one of the main technology providers.
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