INVESTIGATION OF CARBON MONOXIDE AND RESPIRATORY SUSPENDED PARTICULATES EMISSIONS FROM BIOMASS COOK STOVES AT DEVARAYAPU RAM VILLAGE IN COIMBATORE DISTRICTS. JOSHUA DAVIDSON, SARASWATHI ESWARAN AND A. SAMPATHRAJAN
The carbon monoxide (CO) and respiratory suspended particulates (RSP) emission from traditional and improved biomass stoves in rural kitchens were investigated at Devarayapuram village in Coimbatore district by varying houses of ventilation area. The thermal efficiency was found to be 11 and 24% for traditional and improved biomass stove. The minimum and maximum CO emission during cooking of houses with ventilation area 0.87, 0.43, 0.21 and 0 m2 were observed to be 48, 62, 106 and 300 ppm for traditional biomass stoves and 4, 4, and 40 ppm for improved biomass stoves. Improved biomass stoves reduce the cook's RSP exposure by 1.57 mg/m3 house with 0.43 m2 ventilation area and 3.95 mg/m3 with houses of no ventilation. The results of CO and RSP exposure proved that cook's exposure rate markedly decreased after the use of improved biomass stove and provided more ventilation in rural kitchens.
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