Industryweek 2131 15945carpet1
Industryweek 2131 15945carpet1
Industryweek 2131 15945carpet1
Industryweek 2131 15945carpet1
Industryweek 2131 15945carpet1

Table Scraps

March 9, 2008
Manufacturers can use their leftovers to feed various industrial applications but should still try to avoid scrap before it's created.

Enterprising thieves have figured out that scrap means money, so why does that concept still elude some manufacturers? On any given day in urban America you can find a home that's been gutted for valuable copper piping and other materials that are sold as "scrap." But inside manufacturing operations legitimate scrap is oftentimes pitched, according to Mark Ripple, director of BBK Ltd., an international business advisory firm that helps manufacturers achieve efficiencies.

"Most of the time, depending on what material you're using, some plastics can be reground and reused, and some metal can be remelted or sent back to scrap metal suppliers," Ripple says, "but a lot of suppliers I see are still just throwing away the bulk in a dumpster."

The scrap is disposed either because it's not economical to reuse it, it's not in a reusable form, or it's not part of the company's culture, says Ripple. But that's not always the case. Most metals producers either reuse or sell their scrap, according to Nick Sowar, global steel leader at consulting firm Deloitte & Touche LLP. And plastics can be remelted or sold to businesses that can use it as a raw material, adds Daniel Schweller, a partner with Deloitte's M&A Transaction Services.

Shaw Industries Inc., one of the world's largest carpet manufacturers, sells yarn scraps and other waste to companies that convert the material into plastics. The process is part of the company's overall sustainability strategy, which began about eight years ago, explains Richard Ramirez, vice president of sustainability and environmental affairs.

Shaw Industries sells shredded carpet waste from its manufacturing operations to be recycled for other applications.Today, scrap sales is a part of Shaw Industries' business model. "Some years ago there was a start to broker and market some of those waste streams because they have value and it could be things like scraps of the carpet in manufacturing; it could be the yarn, so that yarn waste has value as well as the spools that are on there," Ramirez notes. "We're talking in the neighborhood of 200 million pounds of waste that could be generated in a year."

He estimates the company has recovered "tens of millions of dollars" on waste-brokering activities. The company's recycling efforts resulted from relationships with manufacturers in its supply chain who could use the materials and recyclers.

About two years ago Shaw Industries established a waste-to-energy facility at its Dalton, Ga., plant where wood waste is used to generate steam. The plant utilizes 21,000 to 22,000 tons of carpet waste and sawdust from its wood flooring operations to generate steam for carpet dying. The facility, developed in conjunction with Siemens Building Technologies Inc., has been in operation for about two years. It required a capital investment of approximately $15 million and has saved the company about $1.5 million annually in steam generation.

It's a similar approach to the one taken by the Batesville Casket Co.'s Vicksburg, Miss., operations where the plant utilizes sawdust waste to heat wood-drying kilns. One of IndustryWeek's Best Plants in 2007, Batesville Casket also reuses defective wood scraps to create core panels for the casket's side.

Of course, the ultimate goal for manufacturers is to avoid scrap altogether. For Shaw Industries, this meant implementing process control technology that allows for more precise measurements and Six Sigma analysis.

This is where many manufacturers miss the mark, says BBK's Ripple. "One of the things you see all too often is when [manufacturers] don't understand the physics of the failure mode or don't understand how this thing is failing -- you guess on what the problem is, so you make engineering changes or process changes that really don't fix the problem."

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