Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy...
Transcript of Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy...
![Page 1: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/1.jpg)
Tailoring Innovation to Achieve Financially-Viable Energy and Nutrient Recovery from Wastewater
Jeremy Guest Assistant Professor Civil & Environmental Engineering 3221 Newmark Civil Engineering Lab [email protected]
Government Affairs Conference IWEA
January 23, 2015
![Page 2: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/2.jpg)
![Page 3: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/3.jpg)
create perceived value with technologies that are:financially viableenergy positivenutrient recoveringsustainableenvironmental, economic, and social capacity to endure
water foodenergy health
Our central goal is to increase access to and the sustainability of sanitation.
![Page 4: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/4.jpg)
We integrate experimentation, modeling, and quantitative sustainable design (QSD) for technology development.
![Page 5: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/5.jpg)
EX
PER
IMEN
TA
TION M
OD
ELING
QUANTITATIVE SUSTAINABLE D
ESIGN
MODEL DEVELOPMENT >> << EXPERIMENTAL DESIGN MODELED PERFO
RMANCE >>
<<
OBSE
RVED
PER
FORM
ANCE
<< EXPERIMENTAL DESIGN MODEL REFINEMENT >>
TECHNOLOGY INNOVATION
PLATFORM
<<
EXP
ERIM
ENTA
TION >> << M
OD
ELING
>>
<< QU
ANTITATIVE SUSTAINABLE D
ESIG
N >
>
MO
DEL
DEVE
LOPMENT >>
<< EXPERIMENTAL DESIGN
MODELED PERFORMANCE >>
<
< O
BSER
VED
PERFO
RMANCE
<< EXPERIMENTAL DESIGN MODEL REFINEMENT >>
EX
PER
IMEN
TA
TION
M
OD
ELING
SUSTAINABLE DESIGN
MODEL DEVELOPMENT >> << EXPERIMENTAL DESIGN MODELED PERFO
RMANCE >>
<<
OBSE
RVED
PER
FORM
ANCE
<< EXPERIMENTAL DESIGN MODEL REFINEMENT >>
QUANTITATIVE
Guest Research Group
phototrophic
stormwater
drinking water
wastewater
agriculture
existing anaerobic
We integrate experimentation, modeling, and quantitative sustainable design (QSD) for technology development.
![Page 6: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/6.jpg)
wastewater as a renewable resource
elucidating sustainability trade-offs
tailoring innovation
economics engineering environment
Today I’ll focus on QSD and the development of an anaerobic technology.
![Page 7: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/7.jpg)
Treatment plants consume ~1-3% of U.S. electricity to decrease the energetic content of WW.
![Page 8: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/8.jpg)
Treatment plants consume ~1-3% of U.S. electricity to decrease the energetic content of WW.
maps.google.com
~40-115 x 109 MWh/year a
a Based on EPA estimates that include industrial wastewaters [USEPA, Wastewater Management Fact Sheet: Energy Conservation, Office of Water, 2006].b Based on many life cycle assessments that have been completed around the treatment plant itself, normalized to a per capita equivalent based on typical wastewater generation rates.
~0.15-0.30 GJ/capita-year b
~40-80 kWh/capita-year b
![Page 9: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/9.jpg)
R&D on energy production has focused on conversion of organic-C to usable energy.
ASBR - Anaerobic Sequencing Batch Reactor
UASB - Upflow Anaerobic Sludge Blanket
ABR - Anaerobic Baffled Reactor
AFB - Anaerobic Fluidized Bed
AnMBR - Anaerobic Membrane Bioreactor
MEC - Microbial Electrolysis Cell
MFC - Microbial Fuel Cell
![Page 10: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/10.jpg)
R&D on energy production has focused on conversion of organic-C to usable energy.
2000
[Shoener et al. (2014) Environmental Science: Processes & Impacts; 16(6): 1204-1222]
![Page 11: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/11.jpg)
11[Shoener et al. (2014) Environmental Science: Processes & Impacts; 16(6): 1204-1222]
GJ capita-year
~1
~2-5
~0.4
Maximizing nutrient and energy recovery would integrate anaerobic and phototrophic processes.
![Page 12: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/12.jpg)
2000
[Shoener et al. (2014) Environmental Science: Processes & Impacts; 16(6): 1204-1222]
Anaerobic membrane bioreactors (AnMBR) can achieve high levels of COD removal.
![Page 13: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/13.jpg)
Existing AnMBR designs could be very expensive and won’t be energy positive.
[Shoener et al. (2014) Environmental Science: Processes & Impacts; 16(6): 1204-1222]
![Page 14: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/14.jpg)
How do we design and operate an AnMBR to enable affordable, energy positive wastewater treatment?
[Shoener et al. (in preparation)]
Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery
![Page 15: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/15.jpg)
Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery
144 discrete designs
infinite number of design and operating conditions
[Shoener et al. (in preparation)]
How do we design and operate an AnMBR to enable affordable, energy positive wastewater treatment?
![Page 16: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/16.jpg)
wastewater as a renewable resource
elucidating sustainability trade-offs
tailoring innovation
economics engineering environment
Today I’ll focus on QSD and the development of an anaerobic technology.
![Page 17: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/17.jpg)
What is sustainable design?“…meets the needs of the present without compromising the
ability of future genera9ons to meet their own needs.”in theory
[World Commission on Environment & Development, 1987]
today future genera/onpast future
?
decision maker
triple bo4om line (TBL)
decision maker ? environmental
economic
social
func9onal
decision-‐making criteriain prac/ce
17
![Page 18: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/18.jpg)
economicfunc/onal
We started by developing a qualita/ve planning and design process to address social factors.
environmentalsocial
18[Guest et al., Environ. Sci. Technol. 43 (16), 2009]
![Page 19: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/19.jpg)
[Guest et al., Environ. Sci. Technol. 43(16), 2009]
[Guest et al., Water Sci. Technol. 61(6), 2010]
The quan/ta/ve backbone of this larger design process can drive technology innova/on.
economicfunc/onal
environmental
19[Guest et al., Environ. Sci. Technol. 43 (16), 2009]
social
![Page 20: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/20.jpg)
First, we need to define our design/innovation challenge.
[HRSD]'
Chesapeake(Elizabeth/WWTP/
![Page 21: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/21.jpg)
First, we need to define our design/innovation challenge.
effluent quality
footprint
operational labor
capital costs
risk[HRSD]'
Chesapeake(Elizabeth/WWTP/
constraints
![Page 22: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/22.jpg)
First, we need to define our design/innovation challenge.
[HRSD]'
Chesapeake(Elizabeth/WWTP/
“minimize cost”
“minimize greenhouse gas (GHG) emissions”
“minimize cost & GHG emissions”
…
“minimize likelihood of permit violations”
constraintsobjective
risk, water quality, cost, etc.
![Page 23: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/23.jpg)
First, we need to define our design/innovation challenge.
[HRSD]'
Chesapeake(Elizabeth/WWTP/
vs.
configuration/material 1 configuration/material 2
constraintsobjective
risk, water quality, cost, etc.
decision variables (DV)discrete
minimize cost & GHG emissions
![Page 24: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/24.jpg)
First, we need to define our design/innovation challenge.
constraints[HRSD]'
Chesapeake(Elizabeth/WWTP/
objectivedecision variables (DV)discretecontinuous
configuration/material 1 or 2
internal recycle flow rateQ 4Q
risk, water quality, cost, etc.
minimize cost & GHG emissions
![Page 25: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/25.jpg)
Sustainable design is a process to navigate trade-offs and set targets under uncertainty.
technology A
select decision variables conceptual/detailed
design of technology
func/onal environmental economic socialperformance feasibility
manageability
local impacts life cycle impacts
life cycle costs stakeholder influence on
decision-‐making
stakeholder+par-cipa-on+
decision+analysis+
A+
B+
C+
D+
E+
B+op-mal+design+
WWTP$designs$
![Page 26: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/26.jpg)
Start with a model to predict the performance of the technology.
26
func/onal environmental economic social
this can be any kind of process model that predicts performance
![Page 27: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/27.jpg)
We quantify global environmental impacts using life cycle assessment (LCA).
27
func/onal environmental economic social
construction operation
![Page 28: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/28.jpg)
We use established cost equations for life cycle costing (LCC).
28
func/onal environmental economic social
[U.S.%EPA,%1982]%
cost equations sensitivity & uncertainty analyses
life cycle costs ($)
![Page 29: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/29.jpg)
Designers can also identify tensions and synergies across decision variables.
low high
life cycle costs effluent contaminants
global warming potential
DV 2
DV 1 DV 1 DV 1
![Page 30: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/30.jpg)
wastewater as a renewable resource
elucidating sustainability trade-offs
tailoring innovation
economics engineering environment
Today I’ll focus on QSD and the development of an anaerobic technology.
![Page 31: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/31.jpg)
How do we design and operate an AnMBR to be financially viable and environmentally sustainable?
Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery
144 discrete designs
infinite number of design and operating conditions
[Shoener et al. (in preparation)][Pretel et al. (submitted)]
![Page 32: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/32.jpg)
How do we design and operate an AnMBR to be financially viable and environmentally sustainable?
Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery
144 discrete designs infinite number of design and operating conditions
[Shoener et al. (in preparation)] [Pretel et al. (submitted)]
experimentation + modeling
selecting a configuration
developing a detailed design
CH4 N,&P
Anaerobic&&&&&&&&&&&&&&&&&&&&&reactor
SGD MLSS
Energy&recovery&from&biogas&producAon Waste&Sludge&transport&
and&disposal Nutrient&recovery Energy&recovery&
from&soluble&CH4
Qinfluent&+Qrecycling
&&&&Qrecycling Qinfluent
Qgas
SRT R
Qwaste
Qeffluent
J20
[13Q70]&days [0.5Q8]& [0.05Q0.3]&m3Wm2WhQ1& [80Q120]&%& [5Q25]&gWLQ1&
LEGEND&
ConAnous&decision&variables
Discrete&decision&variables
&
Process&
Membrane&tank
![Page 33: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/33.jpg)
Bench scale reactors were run at KAUST the Urbana WWTP, a pilot-scale system was operated at Carraixet WWTP (Valencia, Spain).
Photo by Na Kyung Kim, UIUC
CH4 N,&P
Anaerobic&&&&&&&&&&&&&&&&&&&&&reactor
SGD MLSS
Energy&recovery&from&biogas&producAon Waste&Sludge&transport&
and&disposal Nutrient&recovery Energy&recovery&
from&soluble&CH4
Qinfluent&+Qrecycling
&&&&Qrecycling Qinfluent
Qgas
SRT R
Qwaste
Qeffluent
J20
[13Q70]&days [0.5Q8]& [0.05Q0.3]&m3Wm2WhQ1& [80Q120]&%& [5Q25]&gWLQ1&
LEGEND&
ConAnous&decision&variables
Discrete&decision&variables
&
Process&
Membrane&tank
[Ruth Pretel Jolis]
![Page 34: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/34.jpg)
Experimental data was leveraged to predict the design of full-scale systems.
CH4 N,&P
Anaerobic&&&&&&&&&&&&&&&&&&&&&reactor
SGD MLSS
Energy&recovery&from&biogas&producAon Waste&Sludge&transport&
and&disposal Nutrient&recovery Energy&recovery&
from&soluble&CH4
Qinfluent&+Qrecycling
&&&&Qrecycling Qinfluent
Qgas
SRT R
Qwaste
Qeffluent
J20
[13Q70]&days [0.5Q8]& [0.05Q0.3]&m3Wm2WhQ1& [80Q120]&%& [5Q25]&gWLQ1&
LEGEND&
ConAnous&decision&variables
Discrete&decision&variables
&
Process&
Membrane&tank
![Page 35: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/35.jpg)
[Shoener et al. (in preparation)]
When every design is evaluated under uncertainty, we identify which configurations should be pursued.
![Page 36: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/36.jpg)
Once we identify a configuration, the relative importance of detailed design & operational decisions.
[Pretel et al. (submitted)]
MLSS mixed liquor suspended solids
SRT solids residence time
r internal recycle ratio
J membrane flux
SGD specific gas demand
![Page 37: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/37.jpg)
[Pretel et al. (submitted)]
Once we identify a configuration, the relative importance of detailed design & operational decisions.
![Page 38: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/38.jpg)
Through QSD identify tensions and synergies in design, enabling us to navigate trade-offs.
[Pretel et al. (submitted)]
![Page 39: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/39.jpg)
This enables utilities to identify financially viable and environmentally sustainable technologies and designs.
[Shoener et al. (in preparation)] [Pretel et al. (submitted)]
experimentation + modeling
selecting a configuration
developing a detailed design
CH4 N,&P
Anaerobic&&&&&&&&&&&&&&&&&&&&&reactor
SGD MLSS
Energy&recovery&from&biogas&producAon Waste&Sludge&transport&
and&disposal Nutrient&recovery Energy&recovery&
from&soluble&CH4
Qinfluent&+Qrecycling
&&&&Qrecycling Qinfluent
Qgas
SRT R
Qwaste
Qeffluent
J20
[13Q70]&days [0.5Q8]& [0.05Q0.3]&m3Wm2WhQ1& [80Q120]&%& [5Q25]&gWLQ1&
LEGEND&
ConAnous&decision&variables
Discrete&decision&variables
&
Process&
Membrane&tank
![Page 40: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/40.jpg)
This enables utilities to identify financially viable and environmentally sustainable technologies and designs.
[Shoener et al. (in preparation)] [Pretel et al. (submitted)]
CH4 N,&P
Anaerobic&&&&&&&&&&&&&&&&&&&&&reactor
SGD MLSS
Energy&recovery&from&biogas&producAon Waste&Sludge&transport&
and&disposal Nutrient&recovery Energy&recovery&
from&soluble&CH4
Qinfluent&+Qrecycling
&&&&Qrecycling Qinfluent
Qgas
SRT R
Qwaste
Qeffluent
J20
[13Q70]&days [0.5Q8]& [0.05Q0.3]&m3Wm2WhQ1& [80Q120]&%& [5Q25]&gWLQ1&
LEGEND&
ConAnous&decision&variables
Discrete&decision&variables
&
Process&
Membrane&tank
Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery
![Page 41: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/41.jpg)
wastewater as a renewable resource
elucidating sustainability trade-offs
tailoring innovation
economics engineering environment
Today I’ll focus on QSD and the development of an anaerobic technology.
![Page 42: Tailoring Innovation to Achieve Financially-Viable Energy ... · Management Fact Sheet: Energy Conservation, Office of Water, 2006]. b Based on many life cycle assessments that have](https://reader036.fdocuments.in/reader036/viewer/2022081517/5f6a195a98af306d8a415ef7/html5/thumbnails/42.jpg)
In conclusion, leveraging quantitative sustainable design can enable strategic technology innovation.
42
[HRSD]'
Chesapeake(Elizabeth/WWTP/
- identify needs- identify technology alternatives- navigate trade-offs- identify opportunities for innovation Polyethylene terephthalate (PET)
REACTOR TYPE A
MEMBRANE TYPE C
MEMBRANE MATERIAL D
CONFIGURATION B
Flat Sheet Hollow Fiber
PHYSICAL CLEANING E
AeF or GAC?
GAC dose
GAC
Submerged
Cross-flow
Aerobic Filter
AeF
N
Start
Specific Gas Demand
Sparging Frequency
Multi-tube
C S
Cross-flow Velocity
SOLUBLE METHANE MANAGEMENT F
Polytetrafluoroethylene (PTFE)
CSTR
Anaerobic Filter
S
C
AF
AF
With GAC?
N
Y
Degassing Membrane
C
S
Cross-flow
Submerged
Invalid Design
AF Anaerobic Filter
CS CSTR
No Recovery