Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1989-09-01
1991-03-05
Spear, Frank
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
73 612, 137 93, 210 961, 210199, 210752, 210754, 210764, 422 28, G01N 1700, C02F 176
Patent
active
049975749
ABSTRACT:
A method and system for biofouling control of fluid containing structure of susceptible biofouling, wherein chlorine, hot water and/or some other control agent is injected by plural stages into the boundary layer, and chlorine residual, water temperature, or some other respective control parameter is maintained in the boundary layer just upstream of the next injection point.
REFERENCES:
patent: 3913378 (1975-10-01), Hausler
patent: 4339945 (1982-07-01), Knudsen et al.
patent: 4346587 (1982-08-01), Brindak
patent: 4570492 (1986-02-01), Walsh
patent: 4631173 (1986-12-01), Muller et al.
patent: 4686853 (1987-08-01), Sugam et al.
patent: 4896478 (1990-01-01), Reiter
patent: 4910999 (1990-03-01), Eaton
Ciallela et al, "Use of Hot Scale Condensers for Biofouling Measurement and Control", 1975.
Drodge Joseph
Lehigh University
Spear Frank
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