University of Delaware VEB Research & Demonstration University of Delaware Environmental House Demo VEB, 2003
University of Delaware Research: Farm Layout & Sample Location Study Site 2002 - present VEB Planting E N S W
U of Delaware Test Site – Working Broiler Farm - 2003 Tree Type & Planting Distance Air samples: • Odor • Ammonia • PM 10 • PM 2. 5 Bald Cypress 16” Leyland C 14” Red Cedar 8’
U of Delaware Test Site – Working Broiler Farm - 2003
Wind: A Major Challenge in Measuring Emissions
U of Delaware Test Site – Working Broiler Farm - 2003 Crosswind barrier Photo: J. Tyndall, ISU
Smoke Test & Dust Accumulation Observations 8’ 30’
Sampling Procedures & Methods • 4 -5 hr sampling events week prior to broiler and roaster movement • 2002 = 10 days; 2003 = 9 days (summer flocks) • Total dust: gravimetric using 37 mm cassettes and pumps calibrated at 2 L/min. (NIOSH # 0500) • Ammonia: Gastec dosimeter tubes # 3 DL (10 ppm) and Impinger method (OSHA ID-164) • H 2 SO 4 : 10 L tedlar bags sent to ISU (Jerome 631 H 2 SO 4 Analyzer) • Odor: 10 L tedlar bags sent to ISU (AC’Scent International Standard Olfactometer)
Sampling Procedure: • 2 locations opposite tunnel fans (front and rear) • ~5 hrs/day, one week prior to broiler & roaster movement • # Sampling events during summer flocks: 10 days in 2002; 9 days in 2003 Front Rear 4 ’
University of Delaware Test Site – Working Broiler Farm - 2003 Photo: J. Tyndall, ISU
3 Years of Data Suggest VEB Reduce from Tunnel Fans: Delaware – – Ammonia 47% – Total dust 51% – Odor 13% X X 22 ft three row VEB
VEB Planting at University of Delaware Environmental House South North East West
University of Delaware Main Contact: George “Bud” Malone, Extension Poultry Specialist Research and Education Center 16483 County Seat Highway Georgetown, DE 19947 (302) 856 -7303 (302) 856 -2585 ext. 557 (302) 856 -1845 (FAX) malone@udel. edu Other researchers: Dave Hansen, Assistant Professor, Soil and Environmental Quality Gary Van Wicklen, Extension Poultry Production Engineer, Assoc. Professor Bio. Resources Engineering
Скачать презентацию University of Delaware VEB Research Demonstration University
5fb4a4a17801035f724da84d60b35228.ppt