Choosing a Composting System

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Renewable Carbon Management, LLC

Choosing your Containerized Organics Management Solution A step by step guide www.renewablecarbon.com RCM@composter.com 44 28th Ave N Suite J Saint Cloud, MN 56303 320-253-5076 Fax 253-4976


Why Choose Containerized Composting?

1. Learn from experience – perceived lowest cost for “waste disposal” often leads to new and greater problems 2. Prevent odors, stop or prevent complaints 3. Protect investment in land and permits – keep operating 4. Prevent surface water run-off 5. Meet new air quality, ozone, smog and greenhouse gas rules 6. Transition technologies, i.e. buildings, bags, covers have high operating and maintenance costs 7. Ready for reliable, utility grade technology with predictable performance – Best Management Practices 8. Reduce pathogens and ensure product liability safety 9. Value-added soil product marketing opportunity 10. Ready for sustainable community – integrated bio-systems approach to corporate or community stewardship planning


The Ten Step Organics Learning Curve Welcome to Levels 8-10

1. Let piles sit 2. Grind everything, later source separation 3. Turn piles with front-end loader 4. Turn piles with windrow turner 5. Hard surface, stormwater containment 6. Pathogen destruction and reduction of vectors 7. Stormwater protection; buildings, bags, covers 8. Aeration and temperature control – biofiltration - Air is less expensive than turning – turning is not necessary 9. Containerization – lower operating cost 10. Integrated biosystems, sustainable communities


How Containerized Composting Meets Your Goals

1. Waste disposal 2. Volume reduction 3. Pathogen destruction 4. Odor prevention 5. Air and water pollution prevention 6. Value-added soils production 7. Cost reduction – stable, predictable cost over time 8. Profitability


Previous buyers expressed the following reasons to purchase a containerized system:

1. Locate near feedstock 2. More capacity per acre/hectare - up to 100 TPD per acre 3. Compliance with current & future air & water regulations 4. Odor control – process control and biofiltration 5. Capable of handling difficult, raw, or wet feedstock 6. Liability reduction – certain pathogen and vector control 7. Consistent soil product – higher soil revenue 8. Lower operating costs – move 40 tons per cycle vs. 4 tons 9. Lower maintenance costs – fewer moving parts “air is cheap” 10. Intermodal container efficiency and transportation 11. Epoxy coated Cor-ten corrosion resistant steel 12. Replaceable insulation wear liner – long life of asset


Select Your Management Strategy

Containerized Composting has Six Management Options

1. Stationary Containers 20’ or 40’ 2. Mobile 20’ containers moved and tipped 3. Mobile 40’ containers moved and tipped 4. Double, or even triple stacking for space optimization 5. Local initial processing and transport to remote area by train, ship or truck 6. Integrate with sustainable community and integrated biosystems


Stationary Composting

20’ or 40’ containers rest on concrete footings Load and unload with front-end loader Load with conveyor Load with mobile spreader box Mix with loader or with box scale

Advantage – lower initial capital cost Disadvantage – higher labor and operating cost


Mobile 20’ Container System

Best for projects under 80 Tons Per Day Move containers from mixer to aeration grid Raise angle of container from 45o to 90o Fill with conveyor without open lid Dump container – either fixed point or mobile Common roll-off truck compatibility Intermodal container handling equipment Advantage - Lower operating cost


Mobile 40’ Container System

Best for projects 80 Tons Per Day and Larger Economy of Scale at 600-800 TPD Lowest capital cost per TPD Lowest operating cost per TPD Most processing capacity per acre/hectare


Material Handling Process Flow

Grind Wood

Mix Ingredients

Aerate

To Stockpile for Sale


Containerized Composting Process Material Collected & Delivered

Batch Management

Value-added Enhancement

Wood Grinding

Containerized Composting

Screening

Mixing

Aeration Odor Control

Storing/Marketing


Customizing Your Containerized System

Every containerized site from 5TPD to 600 TPD has these preliminary costs: Site preparation, grading and hard surfacing Utilities, water, electricity Tipping and mixing area with concrete and push walls Engineering, Training, Zoning, Construction Management Front-end Loader Mixer Screen

Facilities over 20 tons per day Permitting Container Mover/Tipper Mixing and screening area cover


Front-End Loader Selection

Cycle time is related to bucket-load tonnage

The Front-end Loader 1. Fills mixer 2. Feeds screener 3. Loads trucks

Under 10 TPD – skid-steer 1 ton $40K 10-30 TPD - 2 ton loader $90K 30-80 TPD – 4 ton loader $200K Add one 4 ton loader per 100 TPD Costs are estimates – Select light material bucket option Ensure that the loader can reach all of the necessary heights


Bobcat 330 or equivalent 1 ton capacity - light material bucket


New Holland TV-140 2 ton hydrostatic tractor loader


Cat 930, 950, 966 wheel loaders or equivalent


Mixers Mixer Containerized Composting is referred to as “In-vessel composting” but it is actually “enclosed aerated static pile” technology. Air dependent systems require more precision mixing than windrows. On a commercial scale over 5 TPD, a batch mixer is mandatory with a scale for precision mixing.

Under 5 TPD – loader scale $5K 5-30 TPD – Ag batch mixing system $40-80K 30-80 TPD – Twin screw batch mixer $130K


Loader Mixing – Under 5 TPD


Ag Batch Mixers – Auger style with Weigh Feed System Under 30 TPD


Twin Screw Mixers


Forage Box for Filling Composter -add Load Cells and Scale for Box to Serve Dual Function as Mixer


Stellar Hook Lift Roll-off System

53 degrees dump vs. 47 degrees Versatile hook system Rated up to 65,000 lbs vs. 60,000 “Spider” ISO Intermodal connector Eliminate roll-off sub-chassis weight & $$ Additional opportunities in container moving North America distribution network Other roll-offs require special sub-chassis


Stellar Hook Lift System


Stellar ISO “Spider” Adapter Eliminates Roll-off Sub-Chassis


ISO Container Handler

Tow style economical container mover Double stacking option Dump option or take to fixed dump point Economical cable and winch system Self propelled 78HP option Automated spreader option 20’ or 40’ versatility


40’ and 20’ double stacker with spreader


Stationary Tip Point


Dish Screen – Under 60 TPD Could be fed with batch mixer


Trommel Screen 60 TPD and up


Cover-all Fabric Building for unloading, mixing and screening

80’ x 80’ Building can be built on top of four 40’ biofilter containers, raising height and optimizing space



Other Options and Integrated Bio-systems

Dewatering mesh inserts – gravity filters Greenhouse and building heat exchange Bio-fertilizer production joint ventures Lease financing for qualified project Custom conveyors and loader buckets Service contracts, regulatory compliance Compost marketing services Biogas pre-processing options Wood chip and biomass drying


Removable Dewatering Filter Insert Thicken solids to 20% or more, remove insert and use container as digester


60 TPD Project Cash Flow

$30 per ton Tipping Fee $1,800 per day - Starting Day 1 $657,000 per year Operating Cost - Labor, Utilities, Maintenance $6-17 per ton Average $10 - $600 per day - $219,000 per year $50-100 per ton for Compost Sales 40 TPD $4,000 per day $1,460,000 year - Starting 45+ days after opening

Tipping fee and Compost sales - $2,117,000 per year Operating cost - $438,000 – Net $1,679,000


Kyoto Carbon Credits RCM process is certified Actual credits site specific

Fugitive Methane prevention – up to $15 per ton Carbon Sequestration - up to $4 per ton Smog and NOX credits – up to $4 per ton Other misc. credits – up to $4 per ton

Total up to $30 per ton


12’

C44 C46 C48 C50 C52 C54 C56 C58 C60 C62 C64 C66 C68 C70 C72 C74 C76 C78 C80 C82 C84

D3

D5

D7

D9

D11

D13

D15

D17

D19

D21

D23

D25

D27

D29

D31

D33

D35

D37

D39

D41

D2

D4

D6

D8

0 D1

D12

D14

D16

D18

D20

D22

D24

D26

D28

D30

D32

D34

D36

D38

D40

D42

C42

Phase 2-Curing Bins 16-45 days

C41

C21

C23

C25

C27

C29

C31

C33

C35

C37

C20

C22

C24

C26

C28

C30

C32

C34

C36

C38

C40

C19

C18

C39

C17

C5

C7

C9

C11

C13

C4

C6

C8

C10

C12

C14

C16

C3

C2

C15

C1 Pre-warmed Intake Air

D1

Phase 1-Active Compost Digesters-0-15 days

One example of a 60 TPD Layout

Phase 3-Curing Bins 0-15 days

C43 C45 C47 C49 C51 C53 C55 C57 C59 C61 C63 C65 C67 C69 C71 C73 C75 C77 C79 C81

C83

10’


Typical Small Scale Site Layout Composting Containers

110 ft.

Mixed Pile or Conveyor Fill Digester Area

Mixer

Process Control, Office & Laboratory Container

Biofilter

Screen Curing Piles 20-120 Days

4 ft. Retaining Walls

Amendments

Compostables

Cured Compost

160 ft.


300 TPD Project Cash Flow

$30 per ton Tipping Fee $9,000 per day - Starting Day 1 $3,285,000 per year Operating Cost - Labor, Utilities, Maintenance $6 per ton $1,800 per day - $657,000 per year $50-100 per ton for Compost Sales 200 TPD $10,000 per day $3,650,000 year - Starting 45+ days after opening

Tipping fee and Compost sales - $6,935,000 per year Operating cost - $657,000 – Net $6,278,000


Financing Options

Funding for North American Projects with Dry anaerobic digestion over 100 TPD Equipment leasing for qualified projects in US RCM equity options for certain projects


RCM Patents Awarded – US and International

#6,281,001 In-vessel Composting and Bioremediation, August 2001 #6,524,848 Improvements in Composting System September 2003 #6,627,434 Biofertilizer “Air recirculation Methodology” February 2003

Pending

Stand Alone Containerized Biofiltration - Air and Water Filed 1997, Misplaced in Patent Office, Renewed February 2007 Dual Function Intermodal Bio-container - Filed April, 2007 Stationary Composting Bunker – Filed April, 2007


Summary

Patented, improved environmental technology Low cost processing containers Low operating costs Environmentally compliant Proven technology and experienced support team Portable modules with low fixed capital outlay Regulatorily exempt in some cases Positive operating cash flow after start up Choose your own capital vs. operating cost formula


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