The Biogas Opportunity - NASEO · Iowa’s Leadership in Biogas Development EcoEngineers in...
Transcript of The Biogas Opportunity - NASEO · Iowa’s Leadership in Biogas Development EcoEngineers in...
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The Biogas Opportunity
Prepared for Midwest NASEO
May 17, 2016
Jim Ramm, PE
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Agenda
1. Introduction
2. Biogas & the Waste Water Sector
3. Biogas Potential (Iowa Case Study)
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Introduction01
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Methane From Biogas =
Renewable Natural Gas
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Natural Gas Fueling is Growing
States with incentives available for NG fueling.Cummins Westport NG engines
CNG Station Map
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Expanding Carbon Markets
Make RNG Projects Viable
One MMBTU of Pipeline Quality Biogas Methane Produced in the US and Used for
Transportation in California
Value of Gas $3.00 12.59%
Value of RINs $11.78 49.45%
Value of LCFS Credits $9.04 37.95%
Total $23.82 100%
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We Are The Leader In Carbon Credit Realization
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We Help You Navigate the New Energy Economy
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Biogas & Waste Water Plants
02
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Wastewater Plant of the
Future
• “Resource Recovery Facility”
• Drive toward “energy neutral”
• Conservative designs provide some plants with digestion capacity available
• Integration with solids handling/land application
• Nutrient recovery alternatives
• Beneficial use of biosolids
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Co-digestion Trends at
WWTPs
• FOG
• Managing receiving quality/competition
• Rapid destruction/rich food source
• Smaller capacity impact/can load digesters more
• Industrial High Strength Wastes
• Careful selection for digestibility
• Also good potential for rapid gas generation
• Economic development tool
• Food wastes
• Challenges with non-organic food waste debris
• Opportunities for preprocessed organics
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Evolution of Biogas Uses
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Des Moines WRA – Case Study
• Biosolids Dewatering Improvements –2002-3
• Biosolids Storage Improvements –2003-4
• High Strength Waste Receiving – 2005
• Biogas Pipeline to Cargill - 2007
• Digester Improvements – 2011-2013
• Vehicle Fueling Station – 2011 (Not executed)
• Cogeneration Upgrades – 2014
• Digester Gas Improvements- 2015-2017
• Nutrient Harvesting – 2016-2019
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Other cities that are doing or
looking into this model
• LeMars, IA
• Sioux City, IA
• Portland, OR
• City of Omaha, NE (Very Early Development)
• City of Lincoln, NE
• City of Cedar Rapids, IA
• King County (Seattle), Washington
• East Bay MUDSan Francisco, CA
• St. Petersburg, FL
• San Antonio, TX
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The Future of Fueling
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Biogas Potential03
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POTENTIAL YIELD CAN BE MAXIMIZED BY MIXING FEEDSTOCK.
M3 biogas/tonne
Energy Recovery And Reuse Through Community Digestion
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Abundant Biomass in The Midwest
• US will have 680 million tons of biomass
annually by 2030
• 155 million tons of crop residues
• 60 million tons of manure
• 10 states to produce two-thirds of that
volume - Iowa, Illinois, Nebraska,
Minnesota, Arkansas, Texas, California,
Indiana, South Dakota and North
Carolina
• Iowa will lead the nation in expected
crop residue production – about 31
million tons Source: Union of Concerned Scientists Fact Sheet
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[Headline]
• Bullet One
• Bullet Two
• Bullet Three
Case Study: Iowa
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What is the RNG potential?What is the RNG potential?
• RNG production from anaerobic digestion (AD) can create a market for energy crops, which will also hold nutrients in the soil.
• Fertilizer product from manure digestion has significantly lower pathogen levels relative to raw manure.
• Manure digestion is a recommended practice for odor control.
• AD provides opportunity to manage N and P Levels in manure.
Potential For Agricultural Inputs
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Iowa’s Leadership in Biogas Development
EcoEngineers in partnership and support from the Iowa State Energy Office has taken the following steps to date-
1. Mapped biomass potential of the state of Iowa (IBAM) & Conducted outreach at 40+ Iowa counties to identify best potential locations for biogas production.
a. Developed regional waste shed reports, bio-methane potential tests, wastewater infrastructure design and financial pro formas at multiple locations with high biogenic carbon source.
b. Started evaluating environmental and economic impact of regional anaerobic digesters and energy crop production on nutrient runoff to improve overall water quality.
2. Currently, using above information to evaluate the economic impact of operating municipal wastewater systems as bio-refineries producing renewable natural gas and energy credits.
3. Working with state energy planning committee to provide above data for policy recommendations that could develop a new industry, create more resiliency in wastewater infrastructure and be a new source of renewable energy.
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Obstacles/Opportunities For
Implementation
• Availability of high strength waste in the regional waste shed
• Capital Availability & Cost
• Size and Integration with Existing Facilities
• Regulatory Impacts
• Water
• Biosolids
• Utility Interconnects
• Gas Quality
• High H2S, Siloxanes
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Jim Ramm, [email protected]