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Novozymes Biologicals, Inc.
111 Kesler Mill Road
Salem, VA 24153
Offices in:
LePecq, France
Chiba-shi, Japan
Customer Service/Orders:
800.BUGS.HELP / 800.284.7435
Fax Orders:
540.389.9173
Sales and Marketing:
800.859.2972 / 540.389.9361
Fax:
540.389.2688
Laws, regulations and third party rights may prevent
customers from importing, processing, applying and/or
reselling certain products in a given manner. It is the
responsibility of the customer that their specific use of
products of Novozymes does not infringe relevant laws
and regulations and, furthermore does not infringe patents
or other third party rights. The contents of this document
are subject to change without further notice.
BI-CHEM
®
is a registered trademark of Novozymes Biologicals, Inc.
Revised 03/19/02 Novozymes Biologicals, Inc.
BEFORE
TREATMENT
AFTER
TREATMENT
CITY EXPANDS SUCCESSFUL BIOAUGMENTATION PROGRAM
To date, 37 sites including 250 manholes have been identified and treated. This program has proved so successful that a
team of operators has been formed to work with quadrant managers to provide maintenance treatment and to identify
additional problem lines to be treated.
All lines being treated under this program have remained clear of grease blockages since initiation of treatment.
PRIOR TO TREATMENT 30 DAYS
180 DAYS
Manhole #1 - 2 ft (0.6m) surcharge no surcharge
line remains clear
heavy grease
surface grease light & broken
Manhole #2 - 0.5 ft (0.15m) surcharge
no surcharge
line remains clear
SITE 3
PRIOR TO TREATMENT
30 DAYS 70 DAYS 90 DAYS
600 lbs (272 kg) of grease removed 1.5 ft (0.46 m) surcharge 0.25 ft (.08 m) surcharge no surcharge, no grease
SITE 4
SITE 5
PRIOR TO TREATMENT 30 DAYS
60 DAYS
Solid grease layer
grease layer broken up grease reduced
water visible & cloudy water visibly cleaner
grease breaking up
no blockages
no grease
Effluent from Food Processing Plant
Line required cleaning each quarter due to grease blockages
Since initial treatment no cleaning required
(4 - 5 days each event)
(Two years to date)
BASED ON THE SUCCESS OF THE INITIAL APPLICATIONS, ADDITIONAL PROBLEM SITES WERE TREATED:
Heavy Restaurant Concentration
Cleaning line one out of every ten days
No cleaning was performed
Line flowing in reverse of designed flow due to blockage
Line reversed flow to designed direction
PRIOR TO TREATMENT
DURING THE TREATMENT PERIOD
SITE 1
SITE 2
