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Developing an energy saving control system for sewage sludge drying equipment with real-time moisture content measurement

Nippon Steel Engineering, in Japan, wanted to increase the amount of dewatered sludge to the drying plant. With Valmet DS and Valmet HS their input moisture increased by 3.3% and the output moisture by 1%. At the same time, their fuel usage per moisture input was decreased by 5.5%.

Valmet Sludge Dewatering Optimizer improves dewatering at Norske Skog

Norske Skog in Bruck an der Mur, Austria decided to purchase a Valmet Sludge Dewatering Optimizer (Valmet SDO) solution to stabilize the process and improve boiler operation. Integrated to the existing Valmet DNA distributed control system, the software package was accompanied by a Valmet Total Solids Measurement (Valmet TS) microwave transmitter to measure the total solids amount to sludge dewatering.

SSAB: A unified automation concept strengthens blast furnace and power plant operations

SSAB’s Raahe steel mill manufactures standard, premium and specialty steel. A comprehensive Valmet automation system provides greater safety and reliability for the blast furnace motor fan. Founded in 1960, the Raahe steel mill has a long tradition. Today, it is part of the international SSAB steel group, whose blast-furnace production is one of the world’s most carbon efficient.

Polymer dosing control & mass balance calculation, HSY Viikinmäki

Wastewater treatment plant in Viikinmäki, Finland was designed with the best available technology to treat all the wastewater from the greater Helsinki area, which is now home to over 800 000 residents. The centralized plant, which processes an average of 260 000 cubic metres per day

Concentration Measurement improves HCl acid production

Chemours Company FC, LLC in West Virginia relies on Valmet for accurate Hydrochloric acid measurement in their Fluoropolymer Cooler Absorber Process.

Raw sludge measurement after primary clarifiers

Hangzhou Qige Water Treatment Plant measures the total solids from clarifier sludge and monitors mass flow with Valmet Total Solids Measurement (Valmet TS).

Annual General Meeting 2014

Orders received in 2020

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Demuth (2024)

Valmet has on December 21, 2023, entered into an agreement to acquire Demuth