p

= barometric pressure in

inches of mercury at the

test equipment conditions.

(2) To convert particulate loadings given as

pounds per 1000 pounds of dry gas at 50

Percent carbon is by weight from the ultimate analy-

percent excess air, equation 2-2 applies.

sis of the refuse. The GCV and tons of refuse must be

consistent with the ultimate analysis. If the ultimate

analysis is on a dry basis, the GCV and tons of refuse

must be on a dry basis.

(5) To convert grains per dry standard cubic foot

at 7 percent O2 to grains per dry standard

cubic foot at 12 percent CO2, equation 2-8

where: C at 50 percent EA = pounds of

applies.

particulate per 100 pounds of gas at 50

percent excess air

M

= Molecular weight of the

(6) To convert pounds of particulate per million

gas sample

British thermal units fired to grains per dry

standard cubic foot at 12 percent CO2, equa-

tion 2-9 applies.

M = .16 CO2 + .04 O2 + 28

(eq. 2-4)

where: N2 = percent N2 from Orsat

analysis

O2 = percent O2 from Orsat

analysis

CO = percent CO from Orsat

analysis

CO2 = percent CO2 from Orsat

type I waste at 10 percent moisture of the analysis

analysis

shown below. What is the estimated particulate emis-

(3) To convert grains per dry standard cubic foot

sion rate in grains per dry standard cubic foot at 12

at 50 percent excess air to grains per dry

percent CO2?

standard cubic foot at 12 percent CO2, equa-

tion 2-5 applies.

Carbon

50 percent

Heating value

8500 Btu/lb

(1) Table 2-3 lists industrial multichamber incin-

erators as having a particulate emission

factor of 7 lb/ton of refuse.

(2) Using equation 2-7,

(4) To convert pounds of particulate per ton of

refuse charged to grains per dry standard

cubic foot at 12 percent CO2, equation 2-6

(3) Using equation 2-6,

applies.

late concentration of 0.5 gr/ft3 at 9 percent CO2. Cor-

where: GCV = gross calorific value of

rect the particulate concentration to grains per dry

waste, British thermal

standard cubic foot at 12 percent CO2. Test conditions

units (Btu)/lb

were at 72 degrees Fahrenheit and a barometric pres-

Fc

= carbon F factor, std

sure of 24 inches of mercury.

ft3/million (MM) Btu