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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,#,Air Quality Engineering,Introduction,and,A Case Study(Acidic Deposition),Air Quality Engineering:What is it?,Goal:,Control air pollutant emissions so that impacts on,human health,structures and crops,aesthetics,ecosystem health,and,the atmosphere/climate system,are minimized,or are acceptable.,Air Quality Engineering:What is it?,Components:,Scientific understanding of the atmosphere:,What determines air composition?,How do pollutants move,react?,Understanding of the sources of air pollutionPollutant sources:who,where,control options.,Natural processes that interact.,Application of control techniques.,Acid Rain:History,1872:Robert Angus Smith,“Air and Rain:The Beginnings of a Chemical Climatology”:,Used the term“,Acid Rain,”,Studied rain composition around Manchester,England:,“that with carbonate or ammonia in the fields at a distance,that with sulfate of ammonia in the suburbs and that with,sulphuric acid or acid sulphate,in the town,.”,History:Is it still a problem?,Coal contains S,S+O,2,-SO,2,.,“Smog”(SMoke+fOG):SO,2,and particles:,London,1952:4000 deaths.,London,1962:700 deaths.,Denora,Pennsylvania,1948:20 deaths.,U.S.,1996,15,000-45,000 premature deaths.,To reduce SO,2,concentrations:,Reduce emissions,or,Dilute and disperse the emissions.,Solution:Tall Stacks,Smelter at,Sudbury,Ontario,1/2 km smokestack,Dilution is the Solution to Pollution,Map of Rainfall pH,Effects on Streams&Lakes,Bulger et al.,Univ.Virginia,Report for Trout Unlimited,June,1998.,Buffer Capacity of Virginia Watersheds,50 ueq/L,20-50 ueq/L,0-20 ueq/L,0 ueq/L,Effects on Statues,U.S.Geological Survey,Emission Sources,Sources:Most from utilities,industrial boilers.,National Science and Technology Council,National Acid Precipitation Assessment Program Biennial Report to Congress:An Integrated Assessment,May 1998.,Emission Control Options,Change the fuel:,Coal S content ranges from 3%.,Oil S content 3 million cubic feet/minute,Limestone Scrubber,Air Pollution Control:A Design Approach,Cooper and Alley,1994.,Note size of cars,Spray:,H,2,O+CaCO,3,Reactions:,Absorb SO,2,SO,2,+CaCO,3,-CaSO,3,+CO,2,Issues:,Mass transfer,Chemistry,Material balance,Energy balance,Regulations to Reduce Emissions,Two Options:,“Command and Control:”Set emission limits for each plant,Emission Trading,:Selected in 1990 Clean Air Act amendments.,Plants receive“allowances”that can be traded.,Should be more efficient($/ton),Methods Used,Rainfall:Change in H,+,J.Lynch et al.,USGS,Open-File Report 96-0346,Trends in Precipitation Chemistry in the United States,1983-94,Learn More:,Faculty and instructors,(Civ.&Env.Eng.):,Prof.Richard Honrath,Prof.Kurt Paterson,Prof.Judith Perlinger,Courses,(Civ.&Env.Eng.),CE4505:Air Quality Science and Engineering,CE5506:Air Quality Modeling,CE5505:Atmospheric Chemistry,CE5590:Applied Boundary Layer Meteorology,Related Courses and Programs,Remote Sensing Institute.,Atmospheric Science:Meteorology,atmos.physics:Physics,Geological Eng.&Sciences.,Atmosphere/biosphere interactions:Forestry,http:/www.bluffton.edu/sullivanm/spain/segovia/aqueduct/aqueduct.html,Contributing authors include Prof.D.W.Hand,Offerings at MTU,Topic,Faculty,Courses,Water TreatmentDr.D.Hand,CE4507-Wastewater Collection&Water Distribution,Dr.N.Hutzler CE4508 Water&Wastewater Treatment and Design,CE4509 Environmental Process Simulation,CE5501 Environmental Process Engineering,CE5503 Physical-chemical Treatment Processes,Water ResourcesDr.D.Watkins CE3620 Water Resources Engineering,Dr.B.Barkdoll CE4610 Systems Analysis,CE4620 Open Channel Flow,CE4630 Hydraulic Structures,GeoHydrologyDr.J.Gierke GE3850-Geohydrology,Dr.A.Mayer GE4800 Groundwater Engineering,Water QualityDr.M.Auer CE4505 Surface Water Quality Engineering,Dr.N.Urban CE5504 Surface Water Quality Modeling,CE5508 Biogeochemistry,Engineering of unit processes,pipes,pumps,distribution systems,Employment Opportunities:,Municipalities,Consulting firms(large and small),Large,water treatment and supply firms,International Aid agencies,Graduate school,research,AWWA Government Affairs What Water Utilities Can Do to Minimize Public Exposure to,Cryptosporidium,in Drinking Water,Byproduct of water-disinfection process found to be highly toxic,Jim Barlow,Life Sciences Editor217-333-5802;,jebarlowuiuc.edu,9/14/04,CHAMPAIGN,Ill.A recently discovered disinfection byproduct(DBP)found in U.S.drinking water treated with chloramines is the most toxic ever found,says a scientist at the University of Illinois at Urbana-Champaign,Water Quality,NEW!,4/09/01-Compassionate Environmentalists Warn President Bush:,Test the Water at Your Ranch,Sierra Club Blasts Decision to Withdraw Protections for Drinking Water,Arsenic in Water Causes Cancer,March 20,2001,Walkerton criminal charges met with anger,WALKERTON REPORT,Full Story(Part 2),Full Story(Part 1),Excerpts from report,Statement by Mike Harris,Chronology of Events,Key Player
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