Radiator Repair Shop
Initial Bench Treatability Test – ORL Waste Process Water
The initial waste washing and process water was collected by Ken Gardner of N.E.A.T. Environment™, Inc. ( NEAT ). The samples were taken to International Metallurgical and Environmental Inc. ( IME ) laboratory, where the raw waste water heavy metals analysis was done.
The KB-1 treatment was completed by Ken Gardner and personnel at IME. The metallurgical lab completed lab analysis on the raw wastewater and KB-1 Treated samples of the waste process plating water. This KB-1 treatment work was done on Wednesday, 3 April; with the lab analysis being completed the following 2 days on the KB-1 treated waste water.
Sample |
Al
Total |
Cd
Total |
Cu
Total |
Pb
Total |
Zn Total |
P04-P
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pH |
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mg/l |
mg/l |
mg/l |
mg/l |
mg/l |
mg/l |
units |
Radiator
Repair Shop. |
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OKL
#1 – Raw Water |
3.10 |
<0.10 |
3.25 |
4.9 |
8.5 |
7.69 |
5.17 |
Figure 1. OKL #1 Waste
Page 2.0 Radiator Repair Shop Treatability Report N.E.A.T. Environment, Inc.
The sample bottle was opened and a 125 ml sample was taken by IME Lab Technician to provide the “Raw Water” metals analysis and pH reading. This raw water analysis was done in order to provide treatment guidelines on how to treat with the Keeco SME product using KB-1.
Once the raw water analysis was done, a 1 liter sample from the same sample bottle and was placed in a large beaker. The following observations were made :
1. The water was a dark blackish / gray colour with organic solids floating and a light hydrocarbon sheen. The water had an extremely bad odor.
2. Water was allowed to settle for 1 hour. There was limited settlement of particulate to the bottom of the beaker.
Start
Treatment : Time
Treatment Description Start pH @ pH 5.07
pH
adjustment to the raw water in order to treat with KB-1
as the HCL was added it was magnet stirred, with
pH monitored continuously.
As pH 4.02 was obtained, the water remained the same colour
With a light flock produced. The heavy odor subsided slightly.
the sample was ready to start the SME Treatment using KB-1. pH 4.00
Start
KB-1 Treatment : Time
Treatment Description pH
was mixed into a slurry. Then slowly added to the
1 – L. ORL water sample, with continuous magnetic
stirred agitation. pH 4.74
is agitated and reading were taken. pH 5.11
was mixed into a slurry. Then slowly added to the
1 – L. ORL water sample, with continuous magnet
stirred agitation. pH 5.21
A light gray/black flock has formed and settled quickly to the
Bottom of beaker. With the flock settled, the water is clearing.
Page 3.0 Radiator
Repair Shop Treatability Report N.E.A.T.
Environment, Inc.
pH has risen rapidly, suggesting
that the second KB-1 addition should have been
only 0.25 gram/liter to the waste
water.
readings was taken while sludge was in suspension. pH 10.84
KB-1 treated
sample was allowed to settle for 3 hours.
The following picture will provide the visible evidence of how the water had reacted to the SME KB-1 treatment. Changing water colour and pH with just 1.0 gram / liter of KB-1 to treat the raw water.
Figure 2 OKL #1 Waste
After 1.0 gram / Liter of KB-1 and 5 minutes settlement time @ pH 10.64
Page 4.0 Radiator
Repair Shop Treatability Report N.E.A.T.
Environment, Inc.
Clear water decant sample taken – 3 hr. Into KB-1 treatment for lab
analysis
At this time the KB-1 treated sample was poured into a vacuum filter with a shark skin filter to filter out the precipitation material from the treated water. Below, is the IME Certificate of Analysis lab analysis of the KB-1 Treated water is shown.
IME Certificate of
Analysis -
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Project
Manager: N.E.A.T. Environmental, Inc. |
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Date:
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P.O.
# 178-E |
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Sample |
Al Total |
Cd Total |
Cu Total |
Pb Total |
Zn Total |
P04-P Total |
pH |
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mg/l |
mg/l |
mg/l |
mg/l |
mg/l |
mg/l |
units |
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Radiator Repair Shop. ORL #1 – Raw Water |
3.10 |
<0.10 |
3.25 |
4.90 |
8.5 |
7.69 |
5.17 |
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KB-1
Treatment DECANT 4.0 hrs |
<1.0 |
<0.10 |
0.15 |
<0.5 |
0.12 |
1.21 |
9.01 |
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City of |
50.0 |
0.2 |
2.0 |
1.0 |
3.0 |
12.5 |
5.0-11.0 |
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Approved:
__via email______ |
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Jeff
Austin |
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Figure 3. ORL
Lab Analysis after 4 hours Reaction time with KB-1.
From the above results, we
believe that the treatment process can be developed to insure encapsulation of
the metals present in the Radiator Repair Shop Waste
It is suggested that an additional two bench treatability lab tests and KB-1 treatment processes be completed on two samples, each of different OLR Waste Water and Process water. From these additional lab bench tests, Keeco can verify the treatment procedures, amount of KB-1 required and compliance with the City of Kelowna Discharge Standards for KB-1 treated water.
Due to very limited amount of
KB-1 Sludge, we were not able to provide a BC MOE SWEP Leachate Test. Provided that NEAT was to complete another
Report presented by : Ken Gardner,
President
N.E.A.T. Environment™, Inc.