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Recycling Wallboard
Presented By
Terry L Weaver
President
USA Gypsum
1802 Texter Mtn Rd
Reinholds, PA 17569
www.usagypsum.com
Tel. 717-335-0379
Fax 717-335-2561
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Mid Atlantic Wallboard Market
2.8 million tons of drywall sold in NJ,NY & PA 2008
20% is wasted during const
550,000 tons of scrap generated
PA recycled 35,000 tons (6%)
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Types of Wallboard
Accepted: New gypsum based wallboard products, including type X fire rated (89%)
Not accepted: Specialty green, purple or gold board (11%)
No painted or demolition
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Construction Service
Crews pick up scraps
Roll off containers
Pallets
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Transfer Stations & Recyclers
• Transfer stations receive source separated waste
• Recyclers receive co-mingled waste & sort
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Wallboard Recycling Facility
Since 1997
Activities enclosed
Permit by rule status
Co-product status de-wastes products
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New General Permit in PA WMGM038Processing & beneficial use
• For soil additive and animal bedding
• Requires sampling & analysis
•Air quality permit? RFD
•Specialty wallboard handling?
• Research needed to recycle specialty and demo wallboard.
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Process
Wallboard inspected for contamination
Enclosed machinery connected to a “bag house” dust collector
Magnets remove metal screws
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Products 3 primary
products
Fine pulverized gypsum
Granular course gypsum
Paper
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Agricultural Gypsum Market 3 mt used
nationally
Gypsum trucked from Virginia or Indiana to PA
PA 767,000 tons of lime
8 mt of synthetic gypsum
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Why Gypsum For the Soil?
Calcium & sulfate
No effect on pH
Dissolves easily Loosens clay
soils
Reduces erosion
Repairs salt damage
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Evolution Trial & Error
Early products had dust & spreading pattern problems
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Pulverized Gypsum
Agricultural soil amendment
Damp or dry
Needs state license
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Animal Bedding
Course materials & paper are used for animal bedding
PA market is 550,000 tons per year for cattle
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Ultra Fine Gypsum
Further processed gypsum has flour-like consistency
Process developed by USA Gypsum.
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Granular Gypsum
Apply with any spreader
Low dust
Blend fertilizer.
Proprietary process
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Golf anyone?
60% of golf courses in the NE use gypsum
No tillage to incorporate
Reduces salt levels
Applied to surface or injected into irrigation systems
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Wallboard recycling a proven solution! Landfills reduce
gypsum volume
Building owners & contractors save money
Farmers save money