Document Type

Thesis

Date of Award

5-31-1986

Degree Name

Master of Science in Environmental Engineering - (M.S.)

Department

Civil and Environmental Engineering

First Advisor

Joseph W. Bozzelli

Second Advisor

Barbara B. Kebbekus

Abstract

Gaseous emissions from non-vented kerosene heaters can generate and create significant indoor air concentrations of various gaseous pollutants. Indoor air concentrations resulting from operating a portable non-vented radiant type kerosene heater in three rooms of size 38.7, 58.1 and 137 M3 were studied. Studies in the environmental chamber having a size of 38.7 M3 under two sets of ventilation conditions showed elevated levels of CO2, total hydrocarbons and CO. An emission rate model was used to estimate the strength of pollutant source, for total hydrocarbons, CO2 and CO with data reported in terms of mass of pollutant emitted per unit weight of kerosene used. Two phases of CO2 emissions have been observed and based on this, a general equation for CO2 emission rate has been developed which includes the total duration of heater operation.

S/VCO2 = 425/T + 1350 mg/g of kerosene used. ( T = duration of heater operation)

S/VTHC = 0.18 +/- 0.03 mg/g of kerosene used.

S/VCO = 5.9 +/- 1.25 mg/g of kerosene used.

S/V is the emission rate of polluant in mq/g.The effect of mixing on the concentration profile of pollutant has also been studied.

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