Biofouling control

Abstract

A system and method for stabilizing bromine in an industrial water system by monitoring and flexible dosing of chlorine oxidant and halide ion stabilizer residual levels. The system comprises chlorine oxidant, and a halide ion source with a halogen stabilizer.

1 . A biofouling control system comprising: 
 (a) a first composition comprising Chlorine Oxidant; and;    (b) a second composition comprising a Halide Ion Source and a Halogen Stabilizer, with the proviso that the halide ion is not chloride;    wherein the system provides an economic method of biofouling control in industrial water by independent dosing of the first composition and the second composition.    
     
     
         2 . The system of  claim 1 , wherein the halide ion source is bromide.  
     
     
         3 . A method for control of biofouling in industrial water comprising the steps of: 
 (a) providing at least one or more methods of monitoring the chlorine oxidant concentration;    (b) providing a chlorine oxidant source    (c) providing a mixture of halogen stabilizer and halide ion source;    (d) adding chlorine oxidant source identified in step (b) at a rate and in an amount sufficient to achieve the concentration range and;    (e) independently adding composition (c) in an amount sufficient to achieve the halogen stabilizer concentration range.    
     
     
         4 . A method for control of biofouling in industrial water comprising the steps of: 
 (a) providing at least one or more methods of monitoring the chlorine oxidant concentration;    (b) providing at least one or more methods of monitoring the halogen stabilizer concentration;    (c) providing a chlorine oxidant source    (d) providing a mixture of halogen stabilizer and halide ion source;    (e) comparing the monitored concentrations identified in steps (a) and (b) to pre-determined concentration ranges according to the system to be treated;    (f) adding chlorine oxidant source identified in step (c) at a rate and in an amount sufficient to achieve the concentration range and;    (g) independently adding composition (d) in an amount sufficient to achieve the halogen stabilizer concentration range.    
     
     
         5 . A method for control of biofouling in industrial water comprising the steps of: 
 (a) providing at least one or more methods of monitoring the chlorine oxidant concentration;    (b) providing chlorine oxidant source    (c) providing a mixture of halogen stabilizer and halide ion source;    (d) adding chlorine oxidant (b) at a rate and in an amount sufficient to achieve the biocidal effective range and;    (d) independently adding composition (c) to achieve a molar ratio of chlorine oxidant to halide ion source.    
     
     
         6 . A method for control of biofouling in industrial water comprising the steps of: 
 (a) providing at least one or more methods of monitoring the chlorine oxidant concentration;    (b) providing at least one or more methods of monitoring the halogen stabilizer concentration;    (c) providing chlorine oxidant source    (d) providing a mixture of halogen stabilizer and halide ion source;    (e) adding chlorine oxidant (c) at a rate and in an amount sufficient to achieve the biocidal effective range and;    (f) independently adding composition (d) to achieve a molar ratio of chlorine oxidant to halide ion source.