BAY AREA AIR QUALITY MANAGEMENT DISTRICT
Best Available Control Technology (BACT) Guideline

Source Category

Source: Coffee Roasting Revision: 2
Document #: 47.1.1
Class: < 110,000 Btu/hr Date: 03/03/92

Determination

POLLUTANT

BACT
1. Technologically Feasible/ Cost Effective
2. Achieved in Practice
TYPICAL TECHNOLOGY
POC 1.  Afterburner (>0.3 sec. retention time at >1200oF); or catalytic afterburner (>550oF)a,b,T
2.  n/d
1.  BAAQMD Approved Design and Operationb

2.  n/d
NOx 1.  Natural gas firing with combustion modificationsa,b
2.  Natural gas firing
a,b
1.  BAAQMD Approved Design and Operationb
2.  Fuel Selection
b
SO2 1.  Natural gas firingb
2.  Natural gas firing
b
1.  Fuel Selectionb
2.  Fuel Selection
b
CO 1. n/d
2.  n/s
1. n/d
2.  Good Combustion Practice
b
PM10 1.  Natural gas firing with baghouse and afterburner (> 0.3 sec retention time at >1400oF)a,b,T
2.  Natural gas firing with cyclone
b
1.  BAAQMD Approved Design and Operationb

2.  BAAQMD Approved Design and Operation
b
NPOC 1.  n/a
2.  n/a
1.  n/a
2.  n/a

References

a.  SCAQMD Guideline
b.  BAAQMD
T.  TBACT