Sustainability in an Urban Environment through Anaerobic Digestion

Biocycle 2012, Portland, OR

2

Introducing EISENMANN

EISENMANN is a leading international

supplier of general finishing

environmental technology

material handling & conveyor systems

process and high-temperature technology

EISENMANN specializes in... plant engineering

highly flexible systems integration

market and technology leader for individual

components and entire systems

service provider with a broad service offering

3

Introducing EISENMANN

EISENMANN offers … reference installations worldwide

custom and modular solutions

global services

detailed system and process solutions

top quality and reliability

EISENMANN facts & figures … established in Stuttgart, Germany in 1951

12 locations worldwide

US location Crystal Lake, IL since late 70‘s

Global workforce of approx. 2,800 employees

More than 90 Biogas facilities built to date

4

Green Waste - Organics Diversion

Organic wastes make up >24% of materials sent to landfills in US

Eliminating methane emissions from compostable organics is equivalent to removing 20% emissions from US coal fired power plants

US Congress is actively debating new policy to promote Anaerobic Digestion Project Development

Market Drivers

5

Case study of implementing an anaerobic digestion / biogassystem into an urban vertical farming operation in the Chicago stock yards.

Organic waste diversion concept in an urban environment

Objective

6

Plant Chicago is a nonprofit organization by founder John Edel, dedicated to bringing sustainable, urban agriculture to vacant industrial buildings, while improving health and vitality and creating green-collar jobs.

Repurposing 93,500 sq.ft. retired meatpacking facility

into net zero energy vertical farm

Aquaponics growing system (combining aquaculture

with hydroponics)

Incubation of sustainable foods businesses offering low

rent, low energy cost

Licensed shared kitchen rentals

Creation of 125 jobs in Chicago’s economically

distressed “Back of the Yards” neighborhood

Diversion of over 10,000 tons of food waste from

landfills

7

Concept

Closed resource loop

8

Principles of Biogas production – Input materials

Organic input substrates supplied from: Agriculture

Food processing facilities

Restaurant waste

Yard waste and grass clippings

Waste management facilites

9

Organic input substrates can vary greatly and result in different gas qualities and quantities.

Substrates have an important influence on plant technology selected for anaerobic digestion systems.

Biogas Yield

Source: AEBIOM Roadmap to Biogas 2010

10

Principles of biogas production

What is Biogas ?

Substrate input to pre-treatment

Pre-treatment

Substrate input to anaerobic

fermentation

Anaerobic fermentation(in 4 phases)

Output Digestedsubstrate

Agricultural fertilizer

Hydrolysis1

AcidogenesisAcidification phase

2Acetogenesis

Acetic acid formation

3MethanogenesisMethane formation

4

Composition of Biogas

Component Fraction

Methane 40 - 75%

Carbon dioxide 25 - 55%

Water vapor 0 - 10%

Trace gases 0 - 5%

11

High solids horizontal fermentation plant

Properties…

High dry matter content in the digester:

Total solids content ≥ 15% and

above

Distinctive features…

Robust, durable plant technology

All substrates can be utilized without the

need of slurrying

Fully automated, continuous feed system

biowasteconditioning

main digester pump

compost

separator

cogeneration unit

final storage tankliquid substrates

electricalenergy

thermal energy

compostfertilizer

Technology

12

Plant Rendering

Phase I: 5,000 TPY

Phase II: 10,000 TPY

13

Combined heat and power (CHP) unitBiogas-driven turbine powers generators to produce

electricity and steam for the building

Functions… Generation of electricity – used for growing lights and

general electrical needs of the building

Generation of heat – heat created from turbine used to

heat the digester, adsorption chillers, building and

industrial processes, etc.

Utilizing biogas output

14

Biogas Plant – Key Data Phase I

Overall Plant Footprint: 80 ft x 170 ft

Capital expense: ~ US $ 2,500,000.-

Input: 5,000 tons per year (13 t/day) of organic waste

Offtake: 2 MMBtu/hr of Biogas 200 kW electric @ 29% efficiency 1 ton/day of press-cake for composting 8 tons/day of liquid soil amendment to replace fossil fuel

based fertilizer

15

Milestones

July 1st 2010 - Acquisition of building

September 2010 - Begin renovation

October 2010 - First permanent tenant move in (Thrive Artesian Kombucha Teas)

January 2011 - First kitchen/bakery operational

February 2011 - Plant Chicago NFP was founded

December 2011 - Purchase decision for Biogas Plant

April, May 2012 - Finalizing of permitting for Biogas plant construction

June 2012 - Begin construction of Biogas Plant

January 2013 - Biogas plant startup

16

Why Anaerobic Digestion at the Plant-Chicago

Sustainable Urban Agriculture in Food Desert

Net Zero Energy System

Reduction of Green House Gas emmissions by utilizing

waste streams in onsite Biogas plant

Economic benefit by creating Renewable Energy for a

Microgrid

Use of digestate rather than fossil fuel based fertilizer

Reducing Carbon footprint by eliminating waste collection

truck traffic

The Plant offers free tours every Monday, Tuesday and

Saturday at 2 PM (www.plantchicago.com)

17

Key Industry Goals:

O Promote biogas markets, technologies and infrastructure

O Achieve policy parity

O Promote as a best practice for environmental stewardship and    greenhouse gas reduction

www.americanbiogascouncil.org

Promoting the use of Biogas and Anaerobic Digestion

O  148 Members from the U.S., Germany, Italy, Canada and the UK

O All Industry Sectors Represented

1818

EISENMANN Corporation

Environmental Technology / Biogas

Thomas F. Gratz

150 E. Dartmoor DriveCrystal Lake, Illinois 60014E-mail: thomas.gratz@eisenmann.comInternet: http://www.eisenmann.us.com/BioCycleWC

◙

Contact