Oscillating chemical reaction

Details Oscillating chemical reaction Oscillating chemical reaction

1990-08-06

1993-03-23

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210764, 210765, 422 37, C02F 150

Patent

active

051961261

ABSTRACT:
A process of producing a disinfecting BZ reaction comprising continuously adding, at a point in a system of continuously flowing water in which a reductant consisting of microbial life forms is present, halogens or halogen containing compounds which hydrolize to create two bistable systems at equilibrium. The first bistable system consists of Cl.sub.2, HOCL, OCl and chloramines in the water, and the second bistable system consists of IO.sub.3.sup.-, I.sub.2 and HIO in the water. The bistable systems when perturbed by the reductant will initiate an oscillating reaction certain of whose intermediate products are microbicidal.

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Epstein et al., "Oscillating Chemical Reactions", Scientific American, Mar., 1983, pp. 112-123.
Walker, "The Amateur Scientist-Chemical Systems that oscillate between one color and another", Scientific American, Jul., 1978, pp. 120-130.

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