Method for Controlling the Production of a Biocide
First Claim
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1. A method for producing a biocide comprising:
- mixing a solution of a hypochlorite oxidant with a solution of an ammonium salt to produce a biocide; and
monitoring a control parameter that indicates when a maximum yield of said biocide, which yield is attainable without degradation of said biocide, has been reached;
wherein said control parameter is not pH.
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Abstract
A method and apparatus for producing a biocide from a hypochlorite oxidant and an ammonium salt are provided. The method includes monitoring a control parameter to optimize the ratio between the hypochlorite oxidant and the ammonium salt. The control parameter may be oxidation-reduction potential, conductivity, induction or oxygen saturation.
17 Citations
74 Claims
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1. A method for producing a biocide comprising:
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mixing a solution of a hypochlorite oxidant with a solution of an ammonium salt to produce a biocide; and monitoring a control parameter that indicates when a maximum yield of said biocide, which yield is attainable without degradation of said biocide, has been reached; wherein said control parameter is not pH. - View Dependent Claims (2, 10, 11, 17, 18, 19, 20, 21)
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3-9. -9. (canceled)
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12-16. -16. (canceled)
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22-23. -23. (canceled)
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24. A method of producing a biocide, comprising:
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providing a solution of a hypochlorite oxidant; providing a solution of an ammonium salt; diluting said solution of an ammonium salt with a portion of said solution of a hypochlorite oxidant to form an ammonium salt dilution; and mixing the remainder of said solution of a hypochlorite oxidant with said ammonium salt dilution. - View Dependent Claims (25, 33, 40, 41, 42, 43, 44, 45, 46)
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26-32. -32. (canceled)
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34-39. -39. (canceled)
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47-48. -48. (canceled)
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49. Apparatus for producing a biocide comprising:
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a reservoir containing a solution of a hypochlorite oxidant; a reservoir containing a solution of an ammonium salt; a mixing chamber for mixing said hypochlorite oxidant with said ammonium salt to form a biocide; and a control cell for monitoring a control parameter that indicates when a maximum yield of said biocide, which yield is attainable without degradation of said biocide, has been reached; wherein said control parameter is not pH. - View Dependent Claims (50, 51, 54, 58, 59, 60, 61)
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52-53. -53. (canceled)
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55-57. -57. (canceled)
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62. Apparatus for producing a biocide, comprising:
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a reservoir containing a solution of a hypochlorite oxidant; a reservoir containing a solution of an ammonium salt; a water source; a conduit for mixing said solution of a hypochlorite oxidant solution with said water to form a hypochlorite dilution; a conduit for mixing said solution of an ammonium salt with a portion of said hypochlorite dilution to form an ammonium salt dilution; and a mixing chamber for mixing a portion of said hypochlorite dilution with said ammonium salt dilution to form a biocide. - View Dependent Claims (63, 65, 69, 70, 71, 72, 73, 74)
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64. (canceled)
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66-68. -68. (canceled)
Specification