1
Rodney H Banks: Method and apparatus for inline electrochemical monitoring and automated control of oxidizing or reducing agents in water systems. Nalco Chemical Company January 17, 1995: US05382331 (31 worldwide citation)

Method and apparatus for electrochemical monitoring of oxidizing agents, such as nitrite, or reducing agents in a water system and for controlling concentration levels for protecting surfaces exposed to the water. The apparatus includes a probe for selective exposure to fresh water samples of the sy ...


2
John E Hoots, Rodney H Banks, Donald A Johnson: Transition metals as treatment chemical tracers. Nalco Chemical Company October 30, 1990: US04966711 (21 worldwide citation)

Methods for utilizing transition metals as tracers in aqueous liquid systems are provided by this invention. Transition metals with low background levels in system waters are identified as preferred when soluble in said aqueous liquid systems. The transition metals show low levels of deposition on e ...


3
John E Hoots, Rodney H Banks: Monitoring performance of a treating agent added to a body of water. Nalco Chemical Company April 9, 1991: US05006311 (19 worldwide citation)

Analyzing the level of a treating agent and/or stress metals in a body of water containing an inert transition metal tracer added to the water proportionally with the treating agent by determining the absorbance (first absorbance value) of a reagent dye added to water, said dye producing a second ab ...


4
Claudia C Pierce, Roger W Fowee, Rodney H Banks: On-line iron (II) concentration monitoring to continuously determine corrosion in boiler systems. Nalco Chemical Company August 17, 1993: US05236845 (12 worldwide citation)

A method for determining the presence of ferrous ion in boiler waters is described. The method can be used to directly measure the rate of corrosion occurring in boiler waters, and can measure the corrosion rates in the presence of boiler water treatment chemicals. The method uses a complex formed b ...


5
Rodney H Banks: Low cost, on-line corrosion monitor and smart corrosion probe. Ondeo Nalco Company April 29, 2003: US06556027 (12 worldwide citation)

Devices, methods and systems are provided for monitoring of industrial processes. Devices and systems are provided which include a controller module connected to a probe module having a specified metallurgy and a resistor module having a specified resistance value which is capable of identifying the ...


6
John E Hoots, Rodney H Banks, Donald A Johnson: Compositions comprising transition metals for treating and monitoring liquid systems. Nalco Chemical Company April 6, 1993: US05200106 (11 worldwide citation)

Methods for utilizing transition metals as tracers in aqueous liquid systems are provided by this invention. Transition metals with low background levels in system waters are identified as preferred when soluble in said aqueous liquid systems. The transition metals show low levels of deposition on e ...


7
John E Hoots, Rodney H Banks: Monitoring performance of a water treating agent by measuring and resolving optical voltage analogs. Nalco Chemical Company July 21, 1992: US05132096 (9 worldwide citation)

Analyzing the level of a treating agent and/or stress metals in a body of water containing an inert transition metal tracer added to the water proportionally with the treating agent by determining the absorbance (first absorbance value) of a reagent dye added to water, said dye producing a second ab ...


8
Rodney H Banks, Robert J Wetegrove: Monitoring film fouling in a process stream with a transparent shunt and light detecting means. Nalco Chemical Company February 9, 1993: US05185533 (9 worldwide citation)

Method and apparatus for determining accumulated film thickness at the inside diameter of a main stream conduit conducting a main stream of a flowing fluid by employing:


9
Rodney H Banks, Jitendra T Shah: Method of monitoring flocculant effectiveness. Nalco Chemical Company December 11, 1990: US04976871 (8 worldwide citation)

Continuous monitor to determine effective performance of a flocculant used to dewater a sludge stream, in which a voltage waveform of water clarity, generated by a sensor opposed to a light beam transmitted across the stream, is digitized by a comparator; the comparator is insensitive to sludge flow ...


10
Rodney H Banks, Charles C Payne: Monitoring of rolling oil emulsions. Nalco Chemical Company July 6, 1999: US05919707 (7 worldwide citation)

The concentration of the active ingredient in a rolling oil emulsion can be rapidly determined, and correction of the concentration of the active ingredient can be undertaken by measuring the measuring the amount of light reflected from the emulsion at the peak absorbing wavelength of the dye to obt ...



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