Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Process control in response to analysis
Patent
1988-02-26
1991-05-28
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Process control in response to analysis
422 4, 422 5, 422110, 422111, 422172, 422126, 422168, G05B 100
Patent
active
050193392
ABSTRACT:
An odor control system neutralizes odors from any source such as those from a sewage disposal plant. The odor control system recirculates a brine solution containing NaOCl. This recirculated solution contacts the unwanted odors to neutralize them. Sufficient NaOCl is added electrochemically to the solution to neutralize the unwanted odors under normal operating conditions. When there are peak odor conditions the unwanted odors exceed the capacity of the electrochemically produced NaOCl. During such peak conditions, supplemental concentrated NaOCl is added from a storage tank. The concentration of the NaOCl in the soolution is determined by sensing the oxidation reduction potential (ORP) in the solution to produce an ORP signal. The ORP signal controls the concentration of NaOCl in the solution including that supplied electrochemically as well as that supplied from the storage tank. This system is more economical than electrochemical systems for producing NaOCl in quantities large enough to supply the required NaOCl during peak conditions.
REFERENCES:
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patent: 4307067 (1981-12-01), Tagawa et al.
patent: 4416861 (1983-11-01), de Vries
patent: 4460552 (1984-07-01), Zakrewski
Treatment Plant Ends Odor Problem, Pepcon OdorMaster II.
Pepcon Electrolytic Systems, Pacific Engineering Pepcon OdorMaster I, Pacific Engineering.
Tannery Odors in Town Eliminated by Special Scrubber Towers, Pepcon OdorMaster II System for Maximum Treatment of Complex Odors.
Automatic Controller for Use with OdorMaster I, II or III Gas Odor Control Systems Pepcon OdorMaster I treats Odors 5 Ways.
San Diego G & E Shows how to Make Sodium Hypochlorite for Cooling Water Treatment, Producing disinfectant on-site is effective at wastewater plant.
Sodium Hypochlorite System Controls Odor, Triple-Stage Odor Control Helps Clean the Air.
Splashings-Kansas Water Pollution Control Association, Combined System Controls Sludge Tank Odors.
Pepcon OdorMaster II, Treatment Plant Ends Odor Problem.
Keeney Lawrence V.
Misch William B.
Parrott James H.
Hall William D.
McMahon Timothy M.
Pacific Engineering and Production Co. of Nevada
Warden Robert J.
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