We aim to help organizations around the world realize the economic and environmental gains that can be achieved by a well-designed composting system.
Tons of Organics Diverted
Tons of CO2 Diverted
Homes GHG Equivalent
Aerated Composting Systems
AERATED STATIC PILE
Above and below grade air piping allows aerates the compost, reducing turning. The automated system controls temperature and bio-filtration removes odors.
Capacity: 5-2,500 tons/day
TURNED AERATED PILE
The fastest way to make compost on a large scale. This design allows for the most efficient handling, smallest footprint, and the highest throughput possible.
Capacity: 150-2,000 tons/day
IN-VESSEL COMPOSTING SYSTEMS
Containerized Compost System
Composting takes place in controlled batches with airtight vessels (CompTainers) that can be moved and emptied by roll-off trucks. Modular system allowing for growth and complete control.
Capacity: 1 - 100 tons/day
Cost: $40k - $1 million
The Earth Flow™ is an automated in-vessel composting system with integrated mixing and aeration. The full automated Earth Flow reduces labor costs and creates gorgeous compost.
Capacity: 300 lbs – 10 tons/day
Cost: $45k – $145k
The neighborhood-scale composting system for food waste. Easy and affordable. Complete enclosure prevents animals and bugs from accessing the compost. Roof-mounted biofilter eliminates smells.
Capacity: Up to 50lbs per day
Cost: $3k - $5k
Compost consulting services
We design state-of-the-art composting facilities and have done so for more than twenty-five years. GMT has more than 30 municipal and commercial compost facilities ranging from 3,000 to 200,000 tons per year that have been efficiently composting curbside collected yard debris, food waste, biosolids and agricultural wastes. Our design staff has over 100 years combined industry experience in the composting industry. Our design services will help you design effective processes for odor and leachate capture and treatment. We also redesign existing facilities to increase capacity or mitigate environmental impacts. We aim to design facilities that are still operating and successful twenty-five years from now.