Sodium hypochlorite generator is a set of low concentration of salt water through the electrified electrode electrochemical reaction after the generation of sodium hypochlorite solution device. Its workflow is:

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1. Sodium hypochlorite generator is a combination of forms, through the measurement of dilute brine added to the electrolysis tank, through the silicon rectifier connected to the yin and yang direct current electrolysis to generate sodium hypochlorite.

2. 1 kg of sodium hypochlorite salt consumption: 4.0-4.2; 4.3-4.5 KW.

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3. in brine solution contains Na+, H- and several other ions, in accordance with the theory of electrolysis, when inserted into the electricity, under a certain voltage, electrolyte solution due to the movement of ions and electrical reactions, conductive, then CL-, OH- and other negative ions to the Yang, while Na+, H+ and other positive ions to the anion to the negative, and in the corresponding electric discharge occurs, so as to carry out the redox reaction, the corresponding substances.

4. saline solution electrolysis process can be expressed in the following reaction equation: NaCl = Na + + Cl-

5. positive electrolysis: H2O = H + OH- 2Cl-2e- ' Cl2' negative electrolysis: 2H- + 2e- ' H2'

6. in the diaphragm electrolysis device, the electrolyte and electrolysis products of hydrogen in solution to the outside outside outside, the other are in an electrolytic tank, due to the hydrogen outside the escape process of the solution to play a certain amount of stirring, so that the two between the electrolysis of the products of a series of chemical reactions, reaction equations are as follows:

2NaCl+2H2O'2NaOH+H2'+Cl2 2NaOH+Cl2'NaClO+NaCl+H2O

7. In the diaphragm electrolysis of salt water, the total equation of the solution that is listed above the two reaction formulas add up. NaCl + H2O + 2F ' NaClO + H2 ' where: F for the Farah electrolysis constant, the value of 26.8 Ampere hours, or 96,487 Coulomb.

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8. Sodium hypochlorite generator consists of electrolysis tank, silicon rectifier electronic control cabinet, salt dissolution tank, cooling system and supporting PUVC piping, valves, water jets, flow meters and other components. Add 3~4 dilute salt solution into the electrolysis tank, connect 12V DC, generate sodium hypochlorite by adjusting the electrolysis current electrolysis, absorb and mix the disinfectant solution by the water jet, or measure the disinfectant solution through the mixer by the metering pump.

The above is the working principle of sodium hypochlorite generator is simple, I hope to help the big, will also be released from time to time the knowledge of sewage treatment equipment maintenance and management, mixing should be big continue to pay attention to us!

The company is the world’s best electrolytic sodium hypochlorite generator supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Safety is always a concern to plant managers

Recently, we received an inquiry from a customer indirectly servicing the food industry. Their water is used for washing and must be clean and disinfected. They were looking for a disinfection method that would minimize their safety risk on site. Filtration+UV was chosen as the primary method although they realized it would not be sufficient on it's own as the reticulation pipework would require a chemical residual of either chlorine (hypochlorite) to prevent biofilm growth.

Chlorine Considerations

This is how the customer perceived the various alternatives:

• Gas chlorine. Definitely not. Too dangerous.
• 12.5% sodium hypochlorite. Preferably not, as is Dangerous Good.
• Calcium hypochlorite. Not keen on handling tablets or granules.
• Electricide® HGB Hypochlorite generator using brine feed. Liked this option. Only handling non-hazardous brine and generating on site, low risk, dilute hypochlorite solution.

What is the Electricide® HGB Hypochlorite Generator?

The Electricide® HGB chlorine generator is an electrochemical system for converting sodium chloride (salt) into chlorine. Electricide-B1 is a purified brine precursor that is fed into the HGB generator at the anode side of the electrolytic cell where chloride ion is oxidised to chlorine. Chlorine combines with the hydroxide formed at the cathode to make sodium hypochlorite solution at 5-25 g/L (as NaOCl). The generator is skid mount and easy to install on site. Electricide-B1 chemical is available ex stock from Dioxide Pacific.

Chlorine Generation Reactions:

' Anode (oxidation): 2Cl' ' Cl2 + 2e'

' Cathode (reduction): 2H2O + 2e' ' H2 + 2OH'

' + ' (combined) 2Cl' + 2H2O ' Cl2 + H2 + 2OH'

Chlorine reacts with caustic catholyte to form sodium hypochlorite and salt.

Cl2 + 2NaOH ' NaCl + NaOCl

What is good about it?

• Safety. Only one precursor chemical is required ' Electricide-B1 and this is non-hazardous. The hypochlorite solution produced is 5-25 g/L at pH 9 ' 9.5. This compares with commercial bleach at 12.5% (125 g/L) at pH 12. The lower concentration hypochlorite is much safer to handle and store.
• Stability. The lower concentration hypochlorite produced by the HGB generator is 25 times more stable in storage than commercial bleach. Longer life means lower cost.
• Purity. The hypochlorite solution produced by the HGB generator is extremely low in chlorate, sodium and chloride. This can be important for food production where low chlorate and perchlorate in the food product are important.
• Simplicity. The generator is simple to operate, install and maintain.
• Remote access. Web server access using any browser is standard with alarms.
• Reliability. The generator membrane cell is guaranteed when Electricide-B1 is used as the precursor.

Interested?

The Electricide® HGB generators are available for purchase or rental. Rental can include maintenance.

Electricide-B1 chemical is available in IBC's (totes), 200L (55 gal) or 15L (5 gal) drums.

Dioxide Pacific can install and commission the system if desired. Installation is a simple process for mechanical and electrical technicians.

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Contact us for more information or a quotation.

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