The  clean  technologies  evaluation  and  emis 
sions testing facility is located on the UNO cam 
pus with partial funding received through a re 
Clean Technologies Evaluation and
search  project  funded  by  the  Environmental
Emissions Test Facility
Protection Agency (EPA)  Region IV.  The test fa 
cility (Figure 2 3) is 12x10x8 feet and is equipped
A clean technologies evaluation and emissions test 
with  a  fume  extraction  system  and  a  two stage
ing facility was erected and is available on the Uni 
particle collection system.  Fumes from the emis 
versity of New Orleans campus for use by the mari 
sions  test  facility  are  extracted  with  a  variable
time industry.  Abrasive blasting, painting, welding,
ventilation rate up to 5400 cubic feet per minute,
and metal cutting processes can be studied with re 
allowing capture of the various size particles gen 
gard to its impact on emissions, waste minimization,
erated during blasting, welding, metal cutting, etc.
regulatory compliance, and cost optimization.
The two stage particle collection system includes
an inertial separator for coarse particles followed
The University of New Orleans, College of Engi 
by a bag house for fine particles.  The facility is
neering (UNO COE) designed and installed a clean
equipped  with  a  long  12 inch  diameter  duct  to
technologies evaluation and emissions testing fa 
allow  the  measurement  of  particles  under
cility.  This facility aids in the research of the opti 
isokinetic conditions as recommended by the EPA
mization of maritime industrial processes, such as
for particle collection from stationary sources.
abrasive blasting, welding, painting, and metal cut 
Research projects are underway to establish re 
ting,  and  the  study  of  its  impact  on  the  environ 
lationships among process conditions/materials and
ment, which is important to productivity and emis 
the cost/environmental parameters by measuring
sion  potential  for  airborne  pollutants.    Emission
productivity  and  waste  quantities  (solids/hazard 
factors, such as mass of pollutant/unit amount of
ous wastes and air emissions) in conjunction with
work done or unit amount of product produced, are
process  parameters  to  develop  necessary  math 
not readily available for all the processes, at least
ematical relationships and models to minimize costs
to the extent that it includes life cycle costing and
and  waste  quantities.      Process  parameters  and
life  cycle  assessment. Therefore,  with  the  help  of
types of abrasives being evaluated include abrasive
the maritime industry, regulatory agencies, equip 
feed  rates  (lb/hr),    blast  pressures  (psi),  types  of
ment vendors, and materials suppliers, the facility
abrasives (coal slag, copper slag, steel shot, garnet,
and research provide a test and evaluation capabil 
sand,  and  specular  hematite),  and  gradations  of
ity to promote the development of emission factors.
abrasives (course, medium, and fine).  Environmen 
Figure 2 3.  Clean Technologies Evaluation and Emissions Test Facility

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