Tag Archives: materials recovery facilities

Maine Residents to Comingle Recycling with Trash and Be More Environmentally Friendly

August 6, 2019

In September the City of Bangor will formally move over to a new arrangement in which residents will throw all of their recycling in with their trash and leave the mixed waste to be picked up from the curbside every week, as now happens with trash.

Bangor will also close their local recycling station as part of the city’s switch to a new integrated waste conversion plant in Hampden developed by Coastal Resources of Maine with Fiberight technology. The new facility includes a materials recovery facility (MRF), organic processing, plastics processing, anaerobic digestion (AD) and wastewater treatment. The integrated technology is intended to increase recycling rates without the need for extensive outreach programs and is easier for customers to use. According to Coastal Resources of Maine, the benefits are:

  • double recycling rates,
  • address global climate and sustainability commitments, and
  • create value from otherwise wasted resources.

The advanced technologies are undergoing final testing at the Hampden, Maine facility, and are already in use at automated material recovery facilities in the United States and in Europe. The end product is cleaner and provides more diverse types of materials that can then be reused to create new products.

The Hampden facility’s advanced MRF has a high degree of separation, recovery, and monetization of commodity products, and then employs additional processes for generating clean cellulose, engineered fuels, and biogas from traditionally non-recyclable materials. Hired for the firm’s technical expertise and experience planning large municipal solid waste and biogas programs and facilities, SCS provided an in-depth examination and analysis of the technologies, program sustainability, and potential economic impacts of the facility.

 

 

The facility will serve 116 municipalities and public entities represented by the Municipal Review Committee, a non-profit organization that currently manages the waste disposal activities in Eastern and Northern Maine. The facility is planning to start accepting waste from its municipal customers shortly.

“With the planning and cooperation of many, Fiberight’s providing a truly sustainable solution in Maine while solving several challenges when consumers separate their recyclable materials and eliminating contamination,” stated Bob Gardner, SCS Engineers Senior VP. “The facility is capable of reusing nearly 150,000 tons of what formerly went into a landfill, is processing more municipal solid waste into high-value commodities, and is helping local municipalities and private waste haulers offset the cost of recycling.”

 

 

 

Posted by Diane Samuels at 6:03 am
Tag Archives: materials recovery facilities

Expert Advice – Mixed Waste Material Facilities

April 14, 2016

Despite the recent controversy associated with a few new mixed MRF facilities, the processing systems do an excellent job of what they are supposed to do: maximize the separation of like materials.

 

Taken as a whole, mixed MRFs have operated well since their reincarnation in the early 1990s and continued refinement through today. The sorting technology, which has been evolving for the last 25 years, has been proven to work and is reliable. Complete, pre-engineered integrated systems have been available now for years from a growing selection of established companies dedicated to the solid waste industry that can provide planning, engineering, manufacturing, controls, and startup, whether for new facilities, or retrofits of existing older facilities.

With that said, the following conclusions are offered for consideration:

  • MRFs have the potential to help communities significantly increase their waste diversion and recycling rates.
  • The integration of newer technologies offers a substantial increase in throughput of mixed waste-stream coupled with the ability to recover previously unrecoverable materials and/or materials previously unwanted (i.e., food scraps-organics).
  • High tech systems represent a significant investment over more manually intensive and older, less advanced facilities. This has to be balanced and their value thoroughly vetted in the planning stage with an economic proforma that is based on realistic, and in the authors opinion, conservative assumptions and estimates of the volume of recyclables that can be produced, demand for the recycled materials, changes in feedstock, the quality of recyclables that can be recognized, and the value that the market will put on those materials.
  • Operators should anticipate that plastic and fibers if commingled with dirty materials and/or mixed in with finished bales of those recycled materials may have a lower value placed on it by the end recycler than as compared to a bale of clean material. Thus, keeping different incoming waste-streams separate, at the front end of the system, if possible, is key in maximizing clean recovered materials and limiting the contamination risk posed by intermingling dirty materials.

Read the entire article

Learn about services 

Contact the authors: Bruce Clark and Marc Rogoff 

Posted by Diane Samuels at 2:31 pm
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