mwea lagoon conference february 21, 2013 frankenmuth, michigan
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MWEA Lagoon Conference February 21, 2013 Frankenmuth, Michigan. Show Me The Data Effectiveness and Measurement of Chemical Use Jeff Grames & Bill Soper NuSystems, Inc. Agenda. Who is NuSystems What is ReNew? What happens in a lagoon... Review of case studies Summary. Who Is NuSystems?. - PowerPoint PPT PresentationTRANSCRIPT
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MWEA Lagoon Conference
February 21, 2013
Frankenmuth, Michigan
Show Me The Data
Effectiveness and Measurement of Chemical Use
Jeff Grames & Bill Soper
NuSystems, Inc.
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Agenda
• Who is NuSystems
• What is ReNew?
• What happens in a lagoon...
• Review of case studies
• Summary
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Who Is NuSystems?NuSystems is located in Bay City, Michigan serving customers throughout the Midwest. We perform our services in Wastewater Treatment, Industrial Processing, Institutional Applications and the Paper Industries. We support Environmental Management Systems (EMS), and quality programs such as ISO 14000 and Good Manufacturing Practices (GMP). We provide life science chemistry based solutions for municipal and industrial applications from air scrubbers to waste treatment processes. Our technology focus is pH neutral chemistries that work to eliminate odors, reduce COD/BOD, breakdown Suspended Solids, Fats, Oils and Grease which provides a more treatable waste for downstream processes.
3
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What is ReNew?
NuSystems is the original developer of the technology.
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Air
The ReNew Product Family
WaterCleaning
Food & Beverage Processor Wastewater Treatment
Odor Remediation; Industrial, Air Scrubbers, CAFOs
Hydrogen Sulfide Treatment for Sewer Systems
Cooling Tower Treatment
Silicone-based Product & Open Plant Cleaning
Municipal Lagoon Treatment
Fats, Oils, & Grease Cleaning for Sewer Systems, Lift Stations, & Drains
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What happens in a lagoon..
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Aerobic Respiration – The Role of Oxygen
Municipal Waste + Bacteria + Oxygen CO2 + Bacteria
Two pounds oxygen per pound BOD
Compressed air or electric aerators.
WWTP budgets are typically 30% for power.
Lagoons use less power and more time.
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Oxygen Sources in Municipal Lagoons
• Biological (algae)• Mechanical (aerators, diffusers)• Atmospheric Diffusion (wind)
OxygenAlgae
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Photosynthesis and Respiration
Algae + CO2 + Sunlight More Algae + Oxygen + Carbonate
• Biomass increases nutrient uptake ( P, N ).
• Bacterial respiration decreases organic waste (C)
• ReNew allows algae to produce more oxygen.
Carbon Dioxide
Oxygen
Pollutants
BacteriaAlgae
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Lagoon Cost Components
Power
Treatment Chemicals
Sludge Removal
Odor Complaints / Lawsuits
Regulatory Compliance
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Lagoon Bio-chemical Changes1. Treatment Program:
a. Spike dose applications of Odor Out at 5 ppm initially for immediate biological & odor improvement.
b. Continual feed of Hydro Zyme @ 3-6 ppm into influent.
2. Measurables that will quickly impacted.
Increase Dissolved Oxygen
Increase Oxidation Reduction Potential
Increase pH
Decrease turbidity
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Value Proposition
• Near future (present to 6 months)– Reduced Odor– Reduced Power (if aerated)– Reduced Chemical Addition– Improved D.O.
• Long term (6 months to 1 year)– Reduced Sludge Layer– Reduced Green House Gas Emissions– Steady Improvement in Effluent Quality
Clarification of water allows algae to produce more oxygen
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Case Study Data
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Data and Methodology: In order to understand the affects of candidate treatment technologies we must safely collect surface and subsurface water quality data before and after treatment. There are numerous variables that can affect the data like rain, sunlight, temperature, volume flow rate changes, and fluctuations in organic load. The equipment shown here is used to collect, Dissolved Oxygen, Oxidation Reduction Potential, Total Suspended Solids, pH, Conductivity, and chlorophyll content. This information is used to better understand the performance of the untreated lagoon, and to make decisions on the viability of various treatment options.
Unmanned Research Vessle Sludge Mapping Sensor monitoring and data logging
Laboratory Pond Cloning
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• 0.2 MGD Influent
• Cell 1 is heavily aerated
• Alum to cell 2 @ 40 lbs/Day
• 2 Solar mixers Cell 2
• Regulatory pressure on N and P
Cell 1 1.04 Acres 2.85 MG
Cell 33.74 Acre 11.67 MG
Cell 24 Acre 14.7 MG
200 ft
875 ft
Process Design- Oscoda Twp WW LagoonsOscoda, Michigan
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Oscoda
June 28, 2011 Cell 2
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Oscoda
June 28, 2011 Cell 2
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Oscoda
July 13, 2011 Cell 2
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Oscoda
August 1, 2011 Cell 2
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Oscoda Cell Two InfluentDissolved Oxygen Before and After a 5 mg/l Odor Out Spike Dose on 9/1/11
Before Line is the average of all August dataAfter Line is the average of all September data
0.0
4.0
8.0
12.0
16.0
20.0
6:00 12:00 18:00 0:00 6:00 12:00 18:00
Time of Day
DO
, mg
/l
DO Before, mg/l
DO After, mg/l
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Oscoda Cell Two EffluentDissolved Oxygen at One Foot Before and After 5 mg/l Odor Out Spike Dose on 9/1/11
Before Line is the average of all August dataAfter Line is the average of all September data
0.0
4.0
8.0
12.0
16.0
20.0
6:00 12:00 18:00 0:00 6:00 12:00 18:00
Time of Day
Av
era
ge
DO
, m
g/l
DO Before, mg/l
DO After, mg/l
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Oscoda Cell Two EffluentOxidation Reduction Potential Before and After 5 mg/l Odor Out Spike Dose on 9/1/11
Before Line is the average of all August dataAfter Line is the average of all September data
-400
-300
-200
-100
0
100
200
6:00 12:00 18:00 0:00 6:00 12:00 18:00
Time of Day
OR
P,
mV
ORP Before, mV
ORP After, mV
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Oxidation Reduction Potential
c
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Oscoda Cell Two EffluentTurbidity at One Foot Before and After a 5 mg/l Odor Out Spike Dose 9/1/11
Before Line is the average of all August dataAfter Line is the average of all September data
0.0
5.0
10.0
15.0
20.0
25.0
30.0
6:00 12:00 18:00 0:00 6:00 12:00 18:00
Time of Day
Tu
rbid
ity
, N
TU
Turbidity Before, NTU
Turbidity After, NTU
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Antwerp, Ohio Lagoon SystemN
Cell One
Cell Two
Cell Three
Monthly Power Cost with 6
Aerators$2,166
Monthly Power Cost with 1
Aerator$436
Annual Savings $20,800
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Ferric Chloride Consumption
50.0
70.0
90.0
110.0
130.0
150.0
170.0
190.0
10/14/09 12/3/09 1/22/10 3/13/10 5/2/10 6/21/10 8/10/10 9/29/10 11/18/10
Time
Fe
rric
Ch
lori
de
Co
nc
en
tra
tio
n, m
g/l
Before ReNew
158 mg/l $30,000/yr
After ReNew
91 mg/l $17,000/yr
Annual Savings = $13,000
Total Cost to Operate – Treatment ChemicalsWinamac, Indiana
ReNew Start
Plus electrical savings for turning off aerators.
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Village of – NuSystems Lagoon Program Results
Primary issues regarding the wastewater lagoons:
• Sludge: Sludge removal cost for cells 1&2 was approximately $300,000.00 plus. The NuSystems Lagoon Treatment Program reduced the sludge 25% in the first year. This is a reduction of approximately $75,000.00 in removal costs.
• H2O/Odor: Community odor complaints averaged five or six per year. For the years ending 2011 and 2012, there were 0 complaints.
• Aeration costs: Two aerators were in operation with a cost of $1,500.00 per month, excluding man hours for maintenance and repair. Three months after the beginning of the NuSystems technology implementation, the aerators were decommissioned and the dissolved oxygen numbers increased.
• Parameters: 2009 2012BOD 50 11TSS 70 26DO 07.9 14Amm 02.18 01.00Phos 03.84 01.23
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Village of – NuSystems Lagoon Program Results
Primary issues regarding the wastewater lagoons:
• Sludge: Sludge removal for the Village of was to be 25% greater than average due to high metal content within the sludge. The sludge blanket has been reduced 10% annually since 2009 with the NuSystems Lagoon technology.
• Odor Control: Before the NuSystems technology was implemented, was experiencing extensive odor issues on cell #1 and the main lift station in town. After a week of implementation, all odors were gone. There was also no odor at turn over time in the spring.
• Parameters: Before NuSystems After NuSystemsBOD 02.4 02.3DO 09.25 12.4Amm 06.7 00.69Phos 04.9 01.54Fecal Coliform 76 10
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Summary
• Hard data in Lagoon enhancement has been scarce
• Claims for performance improvements have been many
• Operators have been justifiably skeptical
• Data gathering is expensive and necessarily site specific
• Best data sets combine laboratory, controlled field and actual operating data from a variety of Lagoon operations
• Decision to accept an enhancement program must be based on scientific data, field experience and value to the community