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Denver’s Purina pet-food plant a model of sustainable manufacturing on I-70

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August 21, 2018, 9:05 pm
Purina plant

The iconic Purina plant in north Denver (Purina photo).

There’s a palpable sense of pride when talking to Nestlé Purina engineering manager Tom Rotunno about the north Denver factory where he’s worked for the past two decades – the iconic pet food facility right off Interstate 70 at 4555 York St.

Purina plant

The first solar-powered pet food factory in the country (Purina photo).

Rotunno, a Colorado State University product, immediately launches into the fact that the Purina plant was the first-ever solar-powered pet-food factory, that it sends exactly zero waste to local landfills, that just last year it donated 230,000 pounds of pet food to local animal shelters and that it’s one of the most efficient and technologically advanced pet-food factories in the world.

“It’s kind of like my baby now,” Rotunno says of the factory that rises up in the foreground of Denver’s downtown vista for anyone passing through on I-70 – its vivid red-and-white checkerboard logo a symbol of Mile High City manufacturing productivity since 1930.

Rotunno started out as an engineering assistant, then progressed up through the ranks as a staff engineer, then senior staff engineer, and now he heads the engineering department. All told he’s been involved in construction and equipment throughout the plant for 20 years.

“There’s a true spirit of innovation here,” Rotunno said. “We use some of the most high-tech equipment at any processing facility in the world, and I think that’s sometimes lost on people when they come to visit the plant. They’re surprised at how much technology we actually have.”

The Denver facility, part of a network of 20 Purina factories across the United States, employs 280 people making a wide variety of dry dog- and cat-food brands. It receives ingredients by train and truck from all over the U.S., including locally sourced meat and grains from Colorado.

Rotunno says pet health is the plant’s top focus, with a team of Purina veterinarians on site at the Denver plant – a group that also works closely with CSU’s veterinary program. No animals are actually slaughtered in the production process at the Denver factory, he adds.

“We get our meats and grains and vegetables from the same places that human food comes from, so it’s the same factories that send us meats and vegetables,” Rotunno said. “The meats either come frozen solid in blocks or we get dried meat meal.”

But like any proud papa, if you tell Rotunno that his baby is a little smelly, he takes it to heart. As iconic as Purina’s factory is, so too is the odor that wafts through passing car windows and nearby neighborhoods. Dry ingredients are mixed with wet ingredients to form a dough that is then cooked and shaped in an extruder before being dried in large dryers.

“Air and heat goes through it, so that’s the smell,” Rotunno said. “If you made dog treats at home, it’s the same way you’d be able to smell those.”

To deal with the odor, which drew some negative press in recent years during the debate over marijuana odor ordinances, Purina installed a first round of tech several years ago called cyclonic separators to filter out the small particles that carried the most odors from the dryers.

“We put those in a couple of years ago and we saw a substantial decrease in odors from that,” Rotunno said. “Then round two that we’re doing now is actually large units that go on our exhaust points that actually address organic molecules. We put a lot of money into that technology; it takes a lot to buy and install and maintain.”

Stefano Casadei, Nestlé Purina’s plant manager for the Denver facility, is relatively new to the operation having taken over this past spring. But the Italian native who grew up in London already senses the staff pride and the plant’s place in the community.

“Part of us being a good neighbor is we needed to listen to our local communities and some of the complaints that we had in the past, and so we spent a significant amount and we put together a solid strategy to do odor abatement,” Casadei said.

“There is obviously a strong pride within the Denver factory — a strong pride of ownership from our employees and there is a strong passion for what we do here,” he added. “We strive to be the best, and we want to be the best place to work in Denver.”

Casadei says that sense of place in the community will be challenged in the coming years with the reconstruction of the I-70 viaduct.

“It shouldn’t have impact on our operations,” Casadei said. “Obviously, we’re working closely with the project leaders. We’re very close [to I-70], and obviously as a result of being very close we need to take some precautions, but we’re working very closely with the local community.”

 

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David O. Williams

Managing Editor at RealVail
David O. Williams is an award-winning freelance reporter based in the Vail Valley of Colorado, writing on health care, immigration, politics, the environment, energy, public lands, outdoor recreation and sports. His work has appeared in 5280 Magazine, American Way Magazine (American Airlines), the Anchorage Daily News (Alaska), Aspen Daily News, the Aspen Times, Beaver Creek Magazine, the Chicago Tribune, the Colorado Independent, Colorado Politics (formerly the Colorado Statesman), Colorado Public News, the Colorado Springs Gazette, the Colorado Independent (formerly Colorado Confidential), the Colorado Springs Independent, the Colorado Statesman (now Colorado Politics), the Daily Trail (Vail), the Denver Daily News, the Denver Post, the Durango Herald, the Eagle Valley Enterprise, the Eastside Journal (Bellevue, Washington), ESPN.com, the Glenwood Springs Post-Independent, the Greeley Tribune, the Huffington Post, the King County Journal (Seattle, Washington), KUNC.org (northern Colorado), LA Weekly, the London Daily Mirror, the Montgomery Journal (Maryland), The New York Times, the Parent’s Handbook, Peaks Magazine (now Epic Life), People Magazine, Powder Magazine, the Pueblo Chieftain, PT Magazine, Rocky Mountain Golf Magazine, the Rocky Mountain News, Atlantic Media's RouteFifty.com (formerly Government Executive State and Local), SKI Magazine, Ski Area Management, SKIING Magazine, the Summit Daily News, United Hemispheres (United Airlines), Vail/Beaver Creek Magazine, Vail en Español, Vail Valley Magazine, the Vail Daily, the Vail Trail and Westword (Denver). Williams is also the founder, publisher and editor of RealVail.com and RockyMountainPost.com.

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