Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1995-02-10
1996-07-02
Snay, Jeffrey R.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 8202, 422 8205, 4221863, 436146, G01N 2175, G01N 3318
Patent
active
055319610
ABSTRACT:
To determine the total organic carbon content of a flowing liquid in a continuous process, water and oxidizing agents enter lower ports in a multistage column and flow upwardly through residence chambers as they are mixed. Spaced apart along the upper path of the liquid, there are helical reaction grooves relatively shallow and containing at least one helical groove to cause rapid motion of the liquid. An ultraviolet lamp extends downwardly through the center of the column so that the outer confining surface of the helical grooves is the outer surface of the ultraviolet lamp, causing the liquid to move rapidly in intimate contact with the ultraviolet lamp to receive intense radiation. The stages are separate and interchangeable so that selected sizes may interconnect. The residence chambers may have different sizes to permit different lengths of residence time and thus permit tailoring of the reaction to the expected organic carbon content and possible side reactions with other impurities in the water.
REFERENCES:
patent: 4277438 (1981-07-01), Ejzak
patent: 4749657 (1988-06-01), Takahashi et al.
patent: 4775634 (1988-10-01), Sienkiewicz
patent: 5141717 (1992-08-01), McRae
patent: 5244811 (1993-09-01), Matthews
McDonald, Jr. Clifford L.
Nicholls Curtis W.
Wright Paul G.
Carney Vincent L.
Isco, Inc.
Snay Jeffrey R.
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