Biogas and Anaerobic Digestion

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Basics of Anaerobic Digestion

Terminology

Types of Anaerobic Digesters
   * Complete Mix
   * Plug Flow
   * Covered Lagoon
   * Other Types or
      Modifications

Case Studies

Common Digester Misconceptions

Consultants, Equipment Dealers and Funding

Safety with Biogas

Resource Links

Centralized Digesters

PSU Digester Projects

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Consultants, Equipment Sources and Financing

This list in not meant to be all inclusive or intended to delete any entity, or constitute an endorsement of a company or individual or to be a product endorsement of a company.

Consultants and Designers

Industry Directory for On-farm Biogas Recovery Systems: a listing of digester designers and equipment suppliers (AgSTAR Handbook: appendix i)

RCM Digesters (Resource Conservation Management, Inc.), Mark Moser, Consultant and designer of anaerobic digesters; P. O. Box 4716, Berkeley, CA 94704 (510) 834-4568

Environomics LLC, Richard P. Mattocks, anaerobic digester consultant; 2517 Rte. 44, 11-221, Salt Point, NY 12578 (845) 635-4206

Stan Weeks – consultant; 4 Ashlor Drive, Middle Grove, NY 12850 (518) 583-1914
SWeek1997@aol.com

Native Energy – Financial Assistance and Project Development; 823 Ferry Road, P. O. Box 539, Charlotte, VT 05445 1-800-924-6826

Integrity Nutrient Control Systems, Inc.: Design and install digesters; 145 Siloam Road, Chambersburg, PA 17201 (717) 261-5711

GHD, Inc., Steve Dvorak, design and installation of anaerobic digesters using proprietary mixed plug flow digester design; P.O. Box 69 Chilton, WI 53014 (920) 849-9797

Waste Energy Solutions (WES), design, installation, operation of centralized digesters: John Kunkle Eastern & Mid Atlantic Regional Director, 205 McKnight Park Drive, Pittsburg, PA (412) 418-2424 or Stephen Dominick Midwest & West Regional Director (630) 377-0662

Microgy Cogeneration Systems (a subsidiary of Environmental Power Corporation), Dan Eastman, design, installation, operation of centralized digesters; One Cate Street, 4th Floor, Portsmouth, NH 03801 (603) 431-1780


safety brief
Design, contruction and operation of a biogas system must consider safety of workers and visitors.



Equipment Vendors

Industry Directory for On-farm Biogas Recovery Systems: a listing of digester designers and equipment suppliers (AgSTAR Handbook: appendix i)

Integrity Nutrient Control Systems, Inc.: supply and install equipment; 145 Siloam Road, Chambersburg, PA 17201 (717) 261-5711

Caterpillar Engine Company: Electrical Power Systems-generator sets, auto transfer switches (ATS), uninterruptible power supply (UPS) and switch-gear

Martin Machinery Inc.: generator sets, gas meters, electrical switch gear controls; 34 W. Mohler Church Road, Ephrata, PA 17522 (717) 738-0300 or Fax (717) 738-4329 or 39425 Excelsior Drive, Latham, MO 65050 (660) 458-7000 or Fax (660) 458-7100

Waukesha Engine Dresser Inc.: gaseous-fueled reciprocating engines for methane, generator sets, generators; 1000 W. Saint Paul Ave., Waukesha, WI 53188 (262) 547-3311

Stewart & Stevenson LLC: offers reciprocating engines that run on biogas, generation sets, switchgear, transfer switches & controls with 24/7/365 part and service availability. Power Products Headquarters, 601 West 38th Street, Houston, TX 77018 (713) 803-0600

Cummins Power Generation: generator sets, transfer switches, switchgear; 1400 73rd Avenue NE, Fridley, NM 55432 (763) 574-5000

Babcock & Wilcox Company: electric power with boiler products; 20 S. Van Buren Avenue, Barberton, OH 44203 (330) 753-4511

Perennial Energy, Inc.: design and manufacturer of thermal recovery systems with
co-generation or boiler systems, gas handling systems, control panels, exhaust gas heat exchangers and flares; 1280 County Road 8690, West Plains, MO 65775 (417) 265-2002 or Fax (417) 256-2801

Global Power Supply: supplier of new, new surplus and reconditioned electric power equipment (30 different brand names) for steam and gas turbines, compressors and boilers, diesel and gas generators, large and small pumps, transformers and switchgear, transmission and distribution equipment and other related components. Also specialize in providing quick delivery on emergency equipment requirements and locating hard to find manufacturer discontinued products; 5383 Hollister Avenue, Suite 220, Santa Barbara, CA 93111 (805) 683-3828 Ext. 359 Steve Feinberg or Fax (805) 683-3823 or email steve.feinberg@globalpwr.net

Flaregas Corporation: manufacture and market flares and other combustion equipment; 100 Airport Executive Park (Smith Road) Nanuet, NY 10954 (845) 352-8700 or Fax (845) 352-4464

Groth Corporation: manufactures flares, flame and detonation arresters, pressure/vacuum relief valves, blanket gas regulators and other low pressure relief products; 13650 N. Promenade Blvd., Stafford, TX 77477 (281) 295-6800 or (800) 354-7684

Cady Inc.: offers FAN brand manure solid-liquid separation equipment, Houle hydraulic manure pumps, manure separators, articulation pumps and underground pumps, complete digester systems by Engineered Storage Products Company, Harvestore and Slurrystore structures and products by Alliance, Waste Stream Solutions, Animat, tecTank, Flygt and Aeration/Grain systems. Cady Inc., Tampico, IL (815) 438-5678 or (877) 999-CADY

ITT Industries (ITT Flygt Corportation): the world’s largest pump producer and a leading provider of water and wastewater treatment equipment, brands names such as Flygt, Goulds, Bell & Gusset, A-C Pump, Lowara, Vogel, Sanitaire, Aquious and WEDECO. Also supplies mixers, heat exchangers and related products. Offers replacement parts and repair services. 204 Morton Street, Peoria, IL 61603, Ron Skinner, Agricultural Sales Manager (309) 676-1092 or email Mr. Skinner at ron.skinner@itt.com

Engineered Textile Products, Inc.: biogas covers, floating covers, liners and other environmental products; P.O. Box 7474, 715 Loeffler Street, Mobile, AL
(251) 476-8001 or (800) 222-8277

Environmental Fabrics, Inc.: impermeable covers and lagoon liners; 85 Pascon Court, Gaston, SC 29503 (803) 551-5700 or (800) 910-5280 www.environmentalfabrics.com; Eastern PA sales representative: Riordan Materials, 6198 Butler Pike, Suite 150, Blue Bell, PA 19422 (215) 628-9936

Fluid Components International: manufacturer of mass flow meters for digester biogas and flare gas; 1755 LaCosta Meadows Drive, San Marcos, CA 92069 (760) 744-6950 or (800) 854-1993 or (800) 863-8703


safety brief
Designers and venders of digesters and equipment should be familiar with and able to explain safety requirements for their systems.



Pennsylvania Department of Environmental Protection
: Office of Energy and Technology Development – Energy Harvest Program is a funding source

USDA-Rural Development: Business and Industry Guaranteed Loan Program - provides financial backing for rural businesses: then click on Business and Cooperative Programs

Native Energy – Financial Assistance and Project Development

Funding On-farm Biogas Recovery Systems: A Guide to National and State Funding Resources: (on AgSTAR website)

Database of State Incentives for Renewable Energy

Funding Options for Innovative Manure Management: National and State Programs Descriptions. Found on page 21, Chapter XV of report titled “Cost-effective and Environmentally Beneficial Dairy Manure Management Practices”


safety brief
Everyone has an obligation to design, supply, buy, operate and maintain biogas production systems that are safe for workers and visitors.