Abstract
Medical waste production has increased with many government and private hospitals and health centres due to the increase in the population, especially in the spread of Coronavirus Covid-19. This increase in medical waste is treating in medical incinerators. One of the advantages of incineration is the reduction of volume, weight and energy recovery. This paper examines the medical waste incinerator of one of the Medical City hospitals in Baghdad, as this incinerator internally divided into primary and secondary chambers. The medical waste for yellow bags placed in the primary chamber is burned with the help of air and a burner of 178-356 kW, resulting in waste burned. Then the combustion products pass through the secondary chamber, wherewith air and another burner of 178-356 kW, the combustion of gases and volatile materials from the waste completed. Air is then supplied to the flue gases to dilute the emission concentrations and reduce the flue gas temperature. This paper presents a study on the inputs and outputs of waste, air, fuel and the advantage of the heat quantity generated from the combustion of biomedical waste. As a result of this theoretical work, this incinerator provides an acceptable and durable solution to waste disposal problems and the risks of spreading viruses today.
Highlights
Medical waste has increased due to the increase in the population [1][2], especially in the spread of Coronavirus Covid-19 as the quantities of waste increased due to the frequent use of protective clothing and for all people
Medical waste completely burned at high temperatures of 1200°C, and high temperatures
The incinerator used in this study is the air-controlled type of incineration to treat a mixture of yellow bags of medical waste with a capacity of 100 kg per hour, shown in fig 1
Summary
Medical waste has increased due to the increase in the population [1][2], especially in the spread of Coronavirus Covid-19 as the quantities of waste increased due to the frequent use of protective clothing and for all people. Waste treated to reduce the volume of waste by about 90%, weight by about 70%, disinfection, energy recapture, detoxification, and resource recapture [3][4][5][6]. Incineration is a practically reliable method of waste treatment. It is currently the best treatment method at present, especially from the third month of 2020. Incinerators have proven the efficiency of their work and the rapid disposal of medical waste [7]. The advantages of incineration treating become clearer. Medical waste completely burned at high temperatures of 1200°C, and high temperatures. The results of waste incineration are flue gases and residual ash
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