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Features - MRF Series

The Sunset Park MRF in Brooklyn, N.Y., serves as an anchor for doubling New York City’s recycling rate.

Megan Workman April 3, 2014

With more than 8.3 million people living within its borders, New York City is the most densely populated major city in the United States. However, the city recycles just 15 percent of its waste, less than half the national average of 34.5 percent, according to the U.S. Environmental Protection Agency.

Michael Bloomberg, New York City’s former mayor, announced last July several efforts to boost recycling rates in the city to 30 percent by 2017. To double the city’s recycling rate, Bloomberg announced a recycling campaign, “Recycle Everything,” as well as expansions to its composting program and the types of plastics accepted for recycling. (The city had only accepted PET [polyethylene terephthalate] and HDPE [high-density polyethylene] plastic bottles and jugs prior to the program expansion.)

The city was able to collect all rigid plastics in the first place as a result of its partnership with Sims Municipal Recycling (SMR), a division of Sims Metal Management, headquartered in New York. The long-term contract between SMR and the New York City Department of Sanitation (DSNY) grants the recycling company responsibility for processing all of the city’s curbside residential metal, glass and plastic recyclables.

SMR opened the Sunset Park Material Recovery Facility (MRF) in December 2013 to serve as an anchor to the city’s curbside recycling program.

Tom Outerbridge, general manager of SMR, says since the opening of the Sunset Park MRF, located on an 11-acre city-owned pier in Brooklyn—the former site of a New York Police Department impoundment lot—the facility’s “green” attributes and public educational opportunities already abound.

“We know there is huge potential for growth for the recyclable diversion rate in New York City,” Outerbridge says.
 

Absolute access

While the facility is accessible by barge, rail and truck, the majority of inbound material arrives by barge and leaves by water transportation and rail. DSNY collects and drops off recyclables at the Brooklyn MRF, as well as at Sims’ facilities in the New York boroughs of Bronx and Queens and in New Jersey, and SMR is responsible for processing and marketing the material, according to Outerbridge.

He adds that the Sunset Park MRF’s barge access area, which is big enough to accommodate two barges side by side, makes the Brooklyn location ideal.

Outerbridge says that by using water transportation more often, DSNY collection trucks will cut 240,000 miles yearly from New York City’s roadways. The move will reduce congestion, fuel consumption and travel time as well as improve air quality, he says. Outerbridge explains that, for SMR, having water access is vital. The location also is centrally located relative to the company’s three nearby facilities.

“This facility provides good geographic distribution to our other facilities to minimize routes for collection trucks. That’s first and foremost why this location is the best,” Outerbridge says.

He continues, “Another positive attribute is that it’s on the waterfront in a heavy manufacturing zone and is one of the last waterfront barge accesses, which is critical to our business.”
 

Going green

Just as the use of barge transportation will save collection trucks thousands of miles of driving and related emissions each year, the Sunset MRF itself has numerous sustainable features.

Nucor Building Systems, Waterloo, Ind., constructed the MRF using 99 percent recycled steel. Stormwater is managed on site with bioswales, ponds and other landscape features. To mitigate the effects of dredging, the city oversaw construction of three artificial reefs off the west end of the pier to provide new habitat for marine life. The MRF’s receiving building includes a 600-kilowatt (kW) photovoltaic installation—one of the largest solar power installations in New York City—offsetting electricity costs, Outerbridge points out.

Recycle everything

New York City launched its ad campaign “Recycle Everything” July 29, 2013. The program is the largest expansion of New York City's recycling program in 25 years and is set to double the city's current recycling rate to 30 percent by 2017 with the help of Sims Municipal Recycling (SMR), according to city officials.

Tom Outerbridge, general manager of SMR, says the goal of the campaign is to make it easier for people to participate in recycling; the more people who are aware of the benefits of recycling. The higher the throughput at material recovery facilities (MRFs), he says.

“The program has been made simpler, and by making recycling easier for people by allowing more and more materials to come through we hope to see increased overall participation,” Outerbridge says.

The opening of SMR’s Sunset Park MRF allowed New York City to accept a wide range of rigid plastics, such as toys, hangers, crates, tubs and other food containers.

“Sunset is very well-designed to handle bulky plastics,” Outerbridge says.

He adds that not enough time has passed to determine if more plastics are actually coming in to the facility, “but at some point down the road, we hope to say we’re now seeing ‘x’ percent.

“They make decent business sense,” he says of the solar panels.

And, the buildings, wharf, recycling equipment and electrical substations were raised 4 feet higher than city building requirements, using more than 5,000 tons of recycled glass aggregate blended with 20,000 tons of mole rock leftover from New York City subway construction projects. The purpose of the higher elevation is to keep the structures from being damaged when the sea level rises and during storm surges, which was the case during Hurricane Sandy when all buildings and equipment remained dry.

SMR says a 100-kW wind turbine is in the works for this year as well.

The facility’s $110 million price tag—paid by SMR, DSNY, the New York City Economic Development Corp. (EDC) and the city’s Department of Small Business Services (SBS) as a joint project—included construction of the MRF and wharf as well as equipment and underground utilities and dredging, Outerbridge says.
 

All set up

The Sunset Park MRF is equipped with a Bollegraaf processing system designed by Van Dyk Recycling Solutions (VDRS), Stamford, Conn. It can process 1,000 tons of materials per day and features 16 of the newest Autosort models of optical sorters from TITECH. Other equipment includes balers from Harris, Cordele, Ga.; a slow-speed shredder from SSI Shredding Systems, Wilsonville, Ore.; ballistic separators from Altshausen, Germany-based Stadler; and magnets from Steinert US, Walton, Ky.

“All of the equipment in this MRF we operate in another form elsewhere but nothing on this scale or this assembly of this equipment,” Outerbridge says. “It’s a lot more equipment than you would see in your typical MRF.”

When the material arrives at the Brooklyn-based MRF, Outerbridge explains that it travels from the tipping area through a slow-speed shredder and then passes over a disc screen, which removes the glass. The recovered glass then moves under a drum magnet, which removes ferrous metals. A trommel separates tin cans from smaller metal objects, while an eddy current removes nonferrous metals. Tin cans travel under an air system to remove any plastic bags and then are densified in a tin can baler. Bulky metal is barged to Sims facility in New Jersey.

The glass then moves under an air system to remove any labels before it is transferred to SMR’s glass plant in New Jersey.

All of the material that is left on the conveyor line goes to ballistic separators, which remove film and paper from plastic bottles, cans and cartons. The plastics go through a series of optical sorters, which recover segregated streams of colored HDPE, white HDPE, polypropylene (PP), PET and aseptic cartons.

Outerbridge says the city’s recycling program has been simplified for residents by adding a number of other recyclables and officials hope to see collection volumes grow as a result.

“We hope to see an uptick in all recyclables that we receive,” he says.
 

Education and enthusiasm

To increase the amount of tonnage collected, Outerbridge recognizes that the Sunset Park MRF is reliant on public participation. Awareness is critical, which is why there is a recycling education center on site that features classrooms, a theater, interactive exhibits and an area to view the recycling operations, he says.

Students, residents and interested visitors will be able to watch barges unload into the processing and tipping areas. Those who already have witnessed the Sunset Park MRF’s daily operations have been impressed, Outerbridge says.

“People are taken aback; they have no idea the amount of work and effort that truly goes into turning mixed recyclables into raw materials,” he says.

Outerbridge continues, “We are entirely dependent on public participation, so the extent to which that contributes to public awareness, enthusiasm and interest in the recycling program, that’s the direct connection between the education center and the business.”

SMR is still working toward its 75-person hiring goal; Outerbridge says some of these positions have been filled but the MRF is currently running one shift, “easing into operations.” He explains that the company wants to run three shifts—two working shifts and one for cleanup and maintenance.

“It’s going extremely well, our only challenge is to complete our hire rate,” Outerbridge says of the MRF’s startup.

 


The author is associate editor of Recycling Today and can be contacted via email at mworkman@gie.net.

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