Salt Water Electrolysis
From Electrolysis Disinfection
A plant for salt water electrolysis nt-CLE consists of a water softener, a brine tank, electrolysis cells with rectifier, a product tank, dosing pumps and controller. Capacity of the nt-CLE for salt water electrolysis: 0.5 to 40kg/h per electrolysis unit. Concentration of the on-site produced NaClO solution: 0.5% to 0.8% active NaClO. Consumption (per kg active Cl2): up to 3.5kg NaCl, 4kWh.
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Advantages of On-Site Electrolysis
Since 2000, newtec has continuously optimized the membraneless tubular cell electrolysis in order to achieve a maximum of customer satisfaction and adapt to the changing regulations in different countries through its own research, development and experience from the completion of more than 200 projects - including many large-scale projects worldwide.
Main advantages
- Inexpensive on-site production of the active chlorine compound, minimal by-products such as chlorates through optimized electrolysis parameters; high effectiveness through immediate use
- Legally compliant with the new EU biocides directive (No 528/2012), further product certification of the nt-CLE series in progress
- The modern and flexible design ensures the best adaptation to the general conditions and customer requirements, e.g. electrodes with a particularly large distance
- Best quality according to German standards, with a 5-year warranty for electrodes
- Saving up to 20% of the electrolysis energy through integrated heat exchangers
- Sensor-monitored and PLC-controlled automatic process with visualization of the overall process and logging of all important parameters and alarm signals
- User-friendly operation and monitoring of the entire process is also possible for mobile devices such as tablet PCs or mobile phones
- Consultation in the planning and support after commissioning, reliable complete service from a single sourced
SAFETY and Security
The electrolysis system nt-CLE is our solution to replace the dangerous liquid chlorine disinfection. Transport, storage, handling and dosage of barrels with liquid chlorine gas are subject to the highest hazard class. Serious accidents during transport, storage, handling and dosage kept occurring.
Before with liquid chlorine
Hazards during transport, storage, handling and dosage
Afterwards with our electrolysis
Free from the handling of hazardous substances
Maximum safety with newtec electrolysis on site
- Without transport, storage or handling of hazardous chemicals such as chlorine gas / liquid chlorine or highly concentrated sodium hypochlorite (NaClO> 10%)
- Our NaClO solutions up to 1% are according to Regulation (EU) No 1272/2008 (CLP) not hazardous and are biodegradable
- Automatic monitoring of individual system components with different warning options and levels
- Immediate hydrogen dilution to below 1%, with H2-Sensor monitoring, automatic monitoring with switching to a stand-by fan system
- Operator training, in addition to safety measures, normally with testing and certificate from newtec
Example Projects Salt Water Electrolysis
Southern waterworks St. Petersburg, Russia
In 2006, the world's first large-scale on-site production facility for 0.8% of a safe sodium hypochlorite solution was built as a turnkey solution by newtec for the St. Petersburg waterworks in Russia.
newtec was responsible for the planning and construction of the plant as well as the delivery of the system, installation, commissioning and training. Since then, the plant has been working around the clock with a total capacity of 8 electrolysis units per 40 kg / h for the disinfection of 1.3 million m3 drinking water a day.
The application of the newtec technology and thus the elimination of hazardous liquid chlorine in one of the largest waterworks for the first time proves the feasibility and superiority of our technology, even for large waterworks.
Northern waterworks St. Petersburg, Russia
In 2008, another plant with 5 electrolysis units per 40kg /h NaClO for the disinfection of 850,000 m³ of drinking water per day was handed over to customers by newtec.
With our nt-CLE plants, the drinking water of the entire city of St. Petersburg is disinfected with a daily volume of 2.15 million m³. Liquid chlorine depots have not existed since then. The taste and smell of the drinking water has been improved.
PJSC «Kazanorgsintez» Kazan, Tatarstan/Russia
In September 2017, newtec handed over a salt water electrolysis plant with 3 nt-CLE 40000 for drinking water disinfection to the customer. It was designed and built by newtec according to the new Russian electrolysis standard (Regulation No 554 of 20th November 2013).
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