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The Pulp & Paper industry is among the most intensive industrial water users. Pulp & paper mills produce large volumes of wastewater and residual sludge. In these conditions, wastewater treatment, discharge, and sludge disposal (when it cannot be reused) are critical issues.
Contaminants are different depending on the process and the final product (tissue, cardboard, or special paper). They can include suspended solids (fibers, minerals, colloids), chlorinated organic compounds, dissolved solids, chemical oxygen demand (COD), and biological oxygen demand (BOD).
Water is essential for pulp & paper production. For this reason, water treatment packages for inlet water have to be reliable and respect all conditions.

Product Portfolio

Desalination & Water Treatment

Water at plant sites can often be drawn from seas, lakes, or rivers; in most cases, treatment is mandatory. Read more.

Deaerators

Removing dissolved gases (such as oxygen and carbon dioxide) from feed water is strictly necessary to preserve the boiler. Read more.

Demineralization

These processes are used to treat water for boiler feeding and steam production. Read more.

Wastewater Reuse and Zero Liquid Discharge

Reuse is now mandatory for all industries that aim to reduce environmental impact and increase sustainability. Read more.

Effluent Water Treatment

Options include solids and particulate separation by clarification, principally Flotation with a DAF system (Dissolved Air Flotation) and secondary biological treatment for removing biodegradable organic matter. Aerobic treatments can be carried out using different processes like EmbioArt^® MBR technology, MBBR, and Extended Aeration. Designing the best solution must take many issues (inlet/outlet effluent characteristics, available space, OPEX, and others) into account. MBR is widely used when very high-quality water is required after the process. Read more.

Anaerobic Treatment

Anaerobic technology is a valid alternative to biodegradation in an aerobic environment. In such systems, longer carbon chains are degraded into methane as the basic constituent of biogas. This is especially important in countries where alternative power production grants access to financial aid. Read more.

Case histories

To treat wastewater from the paper production plant, we provided a customized solution based on a double treatment step, bearing in mind the importance of sustainability to the customer and focusing on reducing chemical use and energy consumption.

Pulp & Paper

July 12, 2022

Providing wastewater treatment in Romania

To treat wastewater from the paper production plant, we provided a customized solution based on a double treatment step, bearing in mind the importance of sustainability to the customer and focusing on reducing chemical use and energy consumption.

The only water source for Cartiere del Polesine’s production was from a river with surface water that had changeable characteristics. The water quality deteriorates as the seasons change and after a hard rain. The water treatment has to guarantee a constant flow rate with stable high quality.

Pulp & Paper

July 12, 2022

Water Treatment is essential for pulp and paper treatment

The only water source for Cartiere del Polesine’s production was from a river with surface water that had changeable characteristics. The water quality deteriorates as the seasons change and after a hard rain. The water treatment has to guarantee a constant flow rate with stable high quality.