1. On-line Sorting Technologies for CCA Treated Wood Sarasota Team Meeting February 27, 2001

2. Objective To design and implement an automated system to effectively sort CCA-treated wood from other wood types at C&D facilities

3. Project Tasks Task 1: Construct Shelter Task 2: Construct Conveyor Task 3: Lab Test and Develop Detector Task 4: Install and Field Test Conveyor & Detector Task 5: Operate Sorting System and Document Performance

5. SHELTER

6. Outline Participants and Schedule Construction process Completion of shelter

7. Participants Metal shelter design, fabrication and assembly – Trident Concrete slab design – Sarasota County Concrete form – Meyer and Gabbert Concrete pour, anchor bolts and project management – Anderson and Ellis Electrical – Claxton Electric

8. ***Control room and final electrical wiring installed on January 23, 2001

9. Construction Process Concrete form Electrical Conduit Installation Concrete Pour Shelter Assembly Electric Wiring Installation

10. Concrete form completed December 21, 2000

13. Electrical conduit installed December 27, 2000

17. Concrete Pour December 29, 2000

34. Shelter Assembly 01-06-01

60. Electrical wiring installation 1-23-01

68. Control Room Completion Interior control room built with recycled materials (from on-site) by Meyer and Gabbert Control room will be finished by carpenter –Outside painted (off-white or taupe available) –Roofed (shingles available?) –Recycled wood paneling on interior –Door knob –Shelves –Cleaned

69. CONVEYOR

70. Conveyor Conveyor Manufacturer American Conveyor

71. CCA-TREATED WOOD INCLINE CONVEYOR OTHER WOOD TYPES ROLL-OFF 30’ 2.5’ 4.5’ 2.5’ 10’ 26’ 5’ 10.5’ Horizontal Guide to Align Wood 1’ Electric Panel for Conveyor ROLLER CONVEYOR BELT CONVEYOR 40’ North Incoming Mixed Wood SPUR CONVEYOR 7’ Roof Support Column 10’ 45 o 4’ Shear Arm Conveyor Layout: February 6, 2001 Control Room

72. Conveyor – Cross Section

73. Conveyor Design Table Holding arm X-ray Wood

74. Cross-Sectional View X-rays Detector mounting Alignment Arm Wood Piece Conveyor Surface

87. DETECTOR

88. Laser-Induced Breakdown Spectroscopy (LIBS)

89. LIBS spectrum of CCA-treated wood

90. LIBS-based sorting of CCA-treated wood

91. LIBS detector: Tasks and status Acquire laser and spectrometer components Interface spectrometer to the computer for data acquisition with external triggering Optical configuration design and design of detector package Construct prototype detector system Synchronize spectrometer data acquisition with firing of laser Construct timing delay circuit

92. Optical configuration: Lens design laser beam laser beam longer, less intense focus shorter, more intense focus

93. Optical configuration: Lens design Sample analysis regime Laser beam Beam expander

94. Optical configuration: Lens design Analysis Region

95. Spectrometer-computer interface Plasma emission Fiber optic Laptop computer Spectrometer Ext. trigger from laser Data acquisition and analysis

96. Instrument synchronization Time0-16 us Laser pulse (10 ns) Plasma emission (25 us) Chromium emission (10 us) Detector

97. Questions? www.eng.miami.edu/~hmsolo/sarasota/index_sara.htm