Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2004-04-29
2008-07-08
Barry, Chester T (Department: 1797)
Liquid purification or separation
Processes
Treatment by living organism
C210S610000, C210S198100, C210S295000, C210S903000
Reexamination Certificate
active
07396466
ABSTRACT:
A system (10) comprising multiple units (40a-40h) and method for filtration of wastewater (20) is disclosed. Simultaneous denitrification of a single filter unit and normal filtration of the remaining filter units is provided for. Separate flow control systems (36) are described.
REFERENCES:
patent: 4267038 (1981-05-01), Thompson
Bonazza Joseph M.
Kadakia Navin
McCarty Donald J.
Slack David C.
Barry Chester T
D'Ambrosio Jo Katherine
D'Ambrosio & Associates PLLC
Tetra Process Technologies Seven Trent Services Company
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