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Characteristics of medical waste in Malaysia

Johari, Anwar and Mutahharah, M. M. and Abdul, A. and Salema, A. and Kalantarifard, A. and Rozainee, M. (2010) Characteristics of medical waste in Malaysia. In: 2nd International Conference and Exhibition on Waste to Wealth & 6th International Conference on ustion,Incineration/ Pyrolysis and Emission Control (2nd W2W & 6th i-CIPEC), 26-29 July 2010, PWTC, Kuala Lumpur.

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Abstract

The main purpose for the waste characterization is to provide the data necessary to design a new extension of the existing medical waste incinerator plant in Perak. Medical waste from the existing medical waste incinerator was categorized into several components through a sorting process. Proximate analysis was conducted to determine its moisture content, volatile matter contents, ash and fixed carbon contents. Ultimate analysis was also conducted for the determination of carbon, hydrogen, oxygen, nitrogen and sulphur contents. The characterization study was conducted on site and for duration of 7 days. Result showed that the average total plastics (rigid and film) was 38 wt%. The rest of the composition comprised of mixed paper, surgery dress, diapers, absorbents and gloves with weight percents of 10%, 3%, 18%, 18% and 13% respectively. The average moisture content of the individual waste was 19.3%, 3%, 61.4%, 30.7%, 13.8% and 53.5 % for mixed paper, plastics, diaper, surgery dress, glove and absorbent respectively. The average volatile matter was 71.3%, 87.5%, 32.2%, 65.1%, 65.1%, 78.5% and 41.0% for individual waste. The average ash content was 2.1%, 0.7%, 2.6%, 0.5%, 6.5% and 0.8% for mixed paper, plastics, diaper, surgery dress, glove and absorbent respectively. The average fixed carbon was determined at 7.3%, 8.8%, 3.8%, 3.7%, 1.2% and 4.7% for mixed paper, plastics, diaper, surgery dress, glove and absorbent respectively. The average carbon, hydrogen, oxygen, nitrogen and sulphur contents are 51.8%, 8.6%, 35.5%, 0.3% and less than 0.1 respectively. The average calorific value (dry basis) was 27 MJ/ kg. (author)

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Biological wastes, carbon, data analysis
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:23866
Deposited By: Mrs Liza Porijo
Deposited On:15 Jun 2012 08:21
Last Modified:12 Jul 2017 07:56

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