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ANAEROBIC PHASED SOLIDS (APS) DIGESTOR SYSTEMS
Installing and operating APS digesters in California alone will reach into an untapped market that exceeds $2.7
million a day from the sale of biofuels generated from the State’s annual organic waste of 6.7 million dry tons (22
million wet tons).

APS digestion of these organic wastes can yield more than 895,000 kilograms of biohydrogen per day or 1.363
million gallons of gasoline equivalent compressed biomethane per day. Fueling internal combustion engines and
fuel cells with these biofuels will cause a substantial reduction in the State’s heavy reliance upon petrochemical
fuels (compressed natural gas, propane, diesel and gasoline).

Owners of APS digester systems may realize additional daily revenue of $1.2 million when the digesters are used
to process the State’s organic waste streams in lieu of composting and land filling. The owners will also qualify for
additional income from renewable energy and carbon credits.


Definition of the new Bioenergy Market
One of the driving forces for the rapid development of this new industry is the increasing environmental concerns,
arising in many agricultural, industrial and municipal sectors of the community regarding the ineffective and
oftentimes improper, conventional methods in which agricultural food and urban wastes are managed.

Recent legislative action concerning solid waste disposal, such as the 50% reduction of organic waste sent to
California landfills and the phasing out of the cultivated field application of agricultural wastes, demand that
municipalities and agricultural businesses look for more innovative ways in which to recover and use their waste
materials.

Advances in biotechnology processes such as APS digestion will generate a broad spectrum of environmentally
friendly bio-based fuels and products that have the potential to penetrate and displace existing petroleum and
petrochemical markets.

Moving away from a petroleum dependent economy will help to restore America’s balance of trade, and address
increasing concerns over domestic security and global conflict.

The primary benefits to the end user are the reduced waste disposal costs and compliance with increasing
environmental restrictions imposed on waste and wastewater disposal including air pollution reduction mandates.

Additional benefits include the ability to recycle the process wastewater and to sell value-added residue solids as
fertilizer materials.

Economic benefits are derived from the use of the biogas for onsite electrical and thermal generation in addition
to the production of various biofuels.

Collectively, these savings, when applied to the initial cost of an APS digester system, typically yield a simple
payback in 3 to 5 years.

The APS digester technology will help to significantly reduce natural resource depletion, global warming effects,
air and water pollution, and the release of toxins to the environment and the food chain by processing waste and
wastewater in a controlled environment.

Multiple APS digesters will reduce the State’s reliance on imported oil. Placed in strategic locations throughout the
state of California, APS digesters, co-digesting municipal food and green wastes mixed with animal and other
agricultural wastes, can provide multiple distributed energy generation sites decreasing California’s vulnerability
to grid failure, while providing environmental, and economic benefits to the State.