Method and system for generating hypochlorite

A method for producing sodium hypochlorite comprising:

• (a) piping brine solution to a first inlet in a first electrolyzer cell of an electrolyzer assembly while simultaneously piping chilled water from a chiller to the first inlet so that the brine solution combines with the chilled water, and electrolyzing and the chilled brine solution in the first electrolyzer cell;
• (b) piping the hypochlorite and brine solution resulting from the electrolysis process occurring in step (a) to a second inlet in a second electrolyzer cell in the elctrolyzer assembly while simultaneously piping chilled water from the chiller to the second inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the chilled hypochlorite and brine solution;
• (c) piping the hypochlorite end brine solution resulting from the electrolysis process of step (b) to a third inlet in a third electrolyzer cell of the electrolyzer assembly while simultaneously piping chilled water from the chiller to the third inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the resulting chilled hypochlorite end brine solution;
• (d) repeating step (c) until the hypochlorite and brine solution passes through all inlets of all cells of the electrolyzer assembly;
• (e) piping the water to a water softener unit prior to piping to the chiller, and piping a portion of the water from the water softener unit to a brine tank to combine with salt so as to form the brine solution of step (a) and the remaining water from the water softener is piped to the chiller;
• wherein the portion of the water from the water softener unit piped to a brine tank is within a range of approximately 5% to approximately 20% and the portion of water piped to the chiller is approximately 80% to 95%.

A method for producing sodium hypochlorite comprising:

• (a) piping water to a water softener unit to reduce the calcium and magnesium content and piping a portion of the softened water to a brine tank containing solid salt to form a brine solution comprising salt within a range of between 20 weight per cent and saturation, piping a second portion of the softened water to a chiller;
• (b) piping brine solution from the brine tank to a first Inlet In a first eleotrolyzer cell of an electrolyzer assembly while simultaneously piping chilled water from the chiller having a temperature range from about 10° C. to about 25° C. to the first inlet so that the brine solution combines with the chilled water, and electrolyzing the chilled brine solution in the first electrolyzer cell;
• (c) piping the hypochlorite and brine solution resulting from the electrolysis process occurring in step (b) to a second inlet in a second electrolyzer cell In the electrolyzer assembly while simultaneously piping chilled water from the chiller having a temperature range from about 10° C. to about 25° C. to the second inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the chilled hypochlorite and brine solution;
• (d) piping the hypochlorite and brine solution resulting from the electrolysis process of step (b) to a third inlet in a third electrolyzer cell of the electrolyzer assembly while simultaneously piping chilled water from the chiller having a temperature range from about 10° C. to about 25° C. to the third inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the resulting chilled hypochlorite and brine solution;
• (e) repeating step (c) until the hypochlorite and brine solution passes through all cells of the electrolyzer assembly and the effluent solution from the last cell comprises sodium hypochlorite within a range of approximately 5 g/l to approximately 15 g/l and sodium chloride within a range of approximately 12 g/l to approximately 25 g/l.

A method for producing sodium hypochlorite comprising:

• (a) piping water to a water softener unit to reduce the calcium and magnesium content and piping a portion of the softened water to a brine tank, the water combining with solid salt within the tank to form a brine solution comprising salt within a range between from about 20 weight per cent and saturation, piping a second portion of the softened water to a chiller;
• (b) piping brine solution from the brine tank to a first inlet in an electrolyzer cell of a one-cell electrolyzer assembly, the electrolyzer cell comprising at least two inlets, while simultaneously piping chilled water from the chiller having a temperature range from about 10° C. to about 25° C. to the first inlet so that the brine solution combines with the chilled water, and electrolyzing the chilled brine solution in the electrolyzer cell;
• (c) piping chilled water from the chiller having a temperature range from about 10° C. to about 25° C. to a second inlet, the second inlet, distal to the first inlet, so that the chilled water combines with the resulting hypochlorite and brine solution within the electrolyzer cell, and continuing to electrolyze the chilled hypochlorite and brine solution;
• (d) repeating step (c) until the hypochlorite and brine solution passes through the entire cell of the electrolyzer assembly.

A method for producing sodium hypochlorite comprising:

• (a) piping brine solution to a first inlet in a first electrolyzer cell of an electrolyzer assembly while simultaneously piping chilled water from the chiller to the first inlet so that the brine solution combines with the chilled water, and electrolyzing the chilled brine solution in the first electrolyzer cell;
• (b) piping the hypochlorite and brine solution resulting from the electrolysis process occurring in step (a) to a second inlet in a second electrolyzer cell in the electrolyzer assembly while simultaneously piping chilled water from the chiller to the second inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the chilled hypochlorite and brine solution;
• (c) piping the hypochlorite and brine solution resulting from the electrolysis process of step (b) to a third inlet in a third electrolyzer cell of the electrolyzer assembly while simultaneously piping chilled water from the chiller to the third inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the resulting chilled hypochlorite and brine solution;
• (d) repeating step (c) until the hypochlorite and brine solution passes through all cells of the electrolyzer assembly;
• wherein the efficiency of the method is within a range from about 70% to about 80%.

A method for producing sodium hypochlorite comprising:

• (a) piping water, the temperature of which, under ambient conditions, is 15° C. or below, to a water softener unit to reduce the calcium and magnesium content, and piping the softened water to a brine tank, the water combining with solid salt within the tank to form a brine solution;
• (b) piping brine solution to a first inlet in a first electrolyzer cell of an electrolyzer assembly while simultaneously piping water that is warmed to temperature of at least 15° C. by a heater, to the first inlet so that the brine solution combines with the warmed water, and electrolyzing the brine solution in the first electrolyzer cell;
• (c) piping the hypochlorite and brine solution resulting from the electrolysis process occurring in step (b) to a second inlet in a second electrolyzer cell in the electrolyzer assembly while simultaneously piping water at ambient temperature of 15° C. or below to the second inlet so that the water combines with the hypochlorite and brine solution, and electrolyzing the hypochlorite and brine solution;
• (d) piping the hypochlorite and brine solution resulting from the electrolysis process of step (c) to a third inlet in a third electrolyzer cell of the electrolyzer assembly while simultaneously piping water at ambient temperature of 15° C. or below to the third inlet so that the water combines with the hypochlorite and brine solution, and electrolyzing the resulting chilled hypochlorite and brine solution;
• (e) repeating step (d) until the hypochlorite and brine solution passes through all cells of the electrolyzer assembly.

A method for producing potassium hypochlorite comprising:

• (a) piping potassium chloride solution to a first inlet in a first electrolyzer cell of an electrolyzer assembly while simultaneously piping chilled water from a chiller to the first Inlet so that the brine solution combines with the chilled water, and electrolyzing the chilled brine solution in the first electrolyzer cell;
• (b) piping the hypochlorite and brine solution resulting from the electrolysis process occurring in step (a) to a second inlet in a second electrolyzer cell in the electrolyzer assembly while simultaneously piping chilled water from the chiller to the second inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the chilled hypochlorite and brine solution;
• (c) piping the hypochlorite and brine solution resulting from the electrolysis process of step (b) to a third inlet in a third electrolyzer cell of the electrolyzer assembly while simultaneously piping chilled water from the chiller to the third inlet so that the chilled water combines with the hypochlorite and brine solution, and electrolyzing the resulting chilled hypochlorite and brine solution;
• (d) repeating step (c) until the hypochlorite and brine solution passes through all inlets of all cells of the electrolyzer assembly.