Chlor-Alkali Solutions
At a glance
thyssenkrupp nucera has been active in the chlor-alkali sector throughout the world for more than 50 years and realized over 600 electrolysis projects worldwide. We have implemented projects from small facilities to huge chlor-alkali plants with capacities of over 800,000 mt/year of NaOH.
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Bipolar membrane (BM) single element technology
Our bipolar membrane (BM) 2.7v6 plus single element offers optimized design features and thus breaks the barrier of 1,980 kWh per metric ton of NaOH at 6kA/m². Highlights are an accessible active area of 2.85m² and a longer membrane life under high current density operation beyond 6 kA/m².
Benefits
Features
- Energy savings
- Enhanced energy efficiency
- No leaks
- Contact pressure independently controlled
- Extended membrane service life
Bipolar ion-exchange membrane process electrolyzer (BiTAC)
Our proven filter press bipolar ion-exchange membrane process electrolyzer, BiTAC®, offers specific advantages, such as fast remembraning of the complete electrolyzer. The BiTAC family is being constantly improved and all generations are compatible, so existing plants can easily be upgraded to the latest developments. The latest generation, eBiTAC-v7, pushes energy consumption to a new record low of 1,979 kWh/t NaOH at 6 kA/m².
Benefits
Features
- Low sealing force required for gaskets, no bolts needed
- Fast remembraning of complete electrolyzer
- Smaller maintenance area required
- Lower power consumption through joining anode and cathode compartments by explosion bonding
Oxygen-depolarized cathode electrolysis technology (ODC)
Our NaCl-ODC (oxygen-depolarized cathodes) electrolysis technology is reliable and well-proven. It offers a higher degree of site flexibility with regard to electricity and hydrogen supplies.
Benefits
Features
- Up to 25% reduction of energy consumption compared with conventional membrane-based technology
- Ecologically valuable solution due to corresponding CO2 emission reductions
- Higher site flexibilities regarding electricity and hydrogen supplies
Integrated process solutions
At thyssenkrupp nucera we offer state-of-the-art products that feature engineering of the highest quality while taking economic, ecological and safety considerations into account. We offer solutions for the entire process, such as brine treatment, chlorine treatment, refrigerant free chlorine liquefaction or hypochlorite production.
Services along the product cycle
Execution concepts
Compact cell-house design
This largely standardized design is optimized to deliver low total investment costs, minimize space requirements and ensure easy maintenance. The cell house has no pits and the catholyte system is an integrated part of the design.
Skid-mounted technology
Skid-mounted chlorine plants have a capacity of 5,000 or 15,000 mt/a of Cl2 and consist of standardized, pre-assembled modules in steel skids. Benefits: Lower cost, fewer civil and erection works on site and much faster project schedule than conventional plants.
Making a difference – together
We can only do pioneering work if we leave the usual business behind. If we show promise to the future generations. If we deliver. We can only deliver and achieve our goal if we work together. That’s why we collaborate with strong partners on the road to decarbonizing industry.
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