How modern dosing technology stabilises water treatment in the chemical industry

The Challenge

A chemical plant in Poland sources its process water directly from a river—where raw water quality fluctuates significantly. Without reliable treatment, the plant faces the risk of scale buildup, corrosion, process disruptions, and increased chemical consumption in both production and the boiler system. At the same time, sustainability goals and cost pressures were a concern: water and chemical usage needed to be managed as efficiently as possible. The company sought a solution that combines process reliability, consistent water quality, and optimized resource utilization.

The sera Solution

sera implemented an integrated dosing and polymer preparation system for the entire water treatment process. For pretreatment, ferric chloride is precisely dosed to precipitate suspended solids, and sulfuric acid is dosed to neutralize the pH. In addition, two polymer preparation stations are used to specifically support flocculation and sedimentation. All dosing systems are integrated into a central control system and enable on-demand, automatic adjustment of chemical dosing in real time. After softening, the treated water is divided into two streams: process water and boiler feedwater.

Customer Benefits

• Consistent and reproducible water quality despite fluctuations in raw water quality
• Reduced chemical consumption through demand-based dosing
• Protection of equipment against scale buildup and corrosion
• Greater operational reliability and lower operating costs

Summary

The project demonstrates that modern water treatment is not a secondary process, but a key driver of efficiency, plant availability, and sustainability in chemical production.