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ments being made on the equipment side, processors also have to stay ahead of the curve, looking for the most recent tech- nology and ensuring capital for process and equipment improvements as well as general preventive maintenance." In 'Thompsods opinion, processors bear most of the financial burden related to single-stream recycling. "'They are the ones to right -size equipment and outfit their facilities with the new technology and equipment needed to compete in the marketplace." Ockenfels says the material stream has changed in conjunction with the growth in single-stream recycling. Namely, City Carton is seeing less ONP (old newspa- pers) and more mixed paper. "It used to be that ONP was over 50 percent, he says. `Now it is well below 50 percent" Office paper, however, has been increas- ing, he says, as has shredded paper. With the company's automated sorting system, shredded paper can end up with the re- jected items, Ockenfels says, necessitat- ing hand sorting. Dunn says single-stream processing equipment has evolved since it was first introduced, and that process continues today. "'The addition of multiple screens and, especially, the refinement and place- ment of those screens, along with thein- clusion of optical sorters for plastics and paper, have made a significant difference in the ability to sort single-stream mate- rials and allow better quality than earlier systems that relied more heavily on hand sorting or limited screens." MatthewCoz, vice presidentofgmwth, commodity sales and marketing for Waste Management, Houston, also finds that the inbound quality of recyclables had declined as more materials enter the diversion stream through single-stream collection, though diversion increases by 50 percent on average. "With more and varied materials entering the diversion stream, advances in sorting technologies have not kept pace; he says. `As a result, weve seen some incremental declines in the quality of outbound commodities." According to 'Thompson, `As more material is introduced into recycling programs, the separation becomes even more important, but cost of separation also increases." She points out that OCC (old corrugated containers) screens were not needed in systems designed just three years ago. "Current technology can be very expensive but it is necessary to re- main competitive." Jonathan Sloan, president ofCanusa- Hershman Recycling, Baltimore, says single-stream recycling necessitates sig- nificant investment in processing equip- ment. "'The reality is that to properly and efficiently separate this material into sal- able commodities, you need a lot ofgood equipment, he says. 'It is a big capital im How does your baler stack up? IBC's Auto-Tie baler Isjust one of our many heavy -duty models capable of handling: • Paper • OCC • Non - Ferrous • Plastics • FScrap • MSW and more. International Baler Corporation 5400 Rio Grande Avenue Jacksonville, FL 32254 P: 904- 358 -3812 Tollfree: 800- 231 -9286 www.intFbalecoom sales @uAl balecoom 48 RECYCLING 10UAY 11 JANUARY 2011 Raw Rarningbigran