Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2008-07-01
2008-07-01
Webb, Gregory E (Department: 1796)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022120, C134S036000
Reexamination Certificate
active
07392811
ABSTRACT:
A delivery head is provided that includes a delivery arm and a spray diverter constructed to divert a multiple phase treatment composition flowing through the delivery arm and diverted by the spray diverter to provide a target spray pattern. The delivery head includes an open area sufficient to provide the target spray pattern and to provide a back pressure of less than about 10 psig when a multiple phase treatment composition is flowing through the delivery head at a liquid flow rate of about 2 gal/min. to about 20 gal/min., and the volumetric ratio of the gas to liquid is between about 5:1 and about 75,000:1 at atmospheric pressure. A vessel including a delivery head and a method for treating a vessel interior surface are provided.
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Altier Mark R.
Fernholz Peter J.
Harris Thomas L.
Hei Robert D. P.
Miller Gabriel M.
Ecolab Inc.
Hoffman Amy J.
Mayer Anneliese S.
Sorensen Andrew D.
Webb Gregory E
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