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Waste Disposal & Sustainable Energy
Waste Disposal & Sustainable Energy  2021, Vol. 3 Issue (4): 275-288    DOI: 10.1007/s42768-021-00084-x
    
Characterization of municipal solid waste based on seasonal variations, source and socio-economic aspects
Characterization of municipal solid waste based on seasonal variations, source and socio-economic aspects
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摘要： Municipal solid waste (MSW) generation and characterization are the basic inputs for waste handling and treatment systems design. In present research, we performed waste characterization investigations in Visakhapatnam (India), using a waste characterization methodology by integrating two standard sampling and characterization approaches. The characterization methodology was designed by combining seasonal variations, source, and socio-economic stratifications. Source-based sampling was performed at household(s), dumpster(s), transfer station, and landfill. Socio-economic-based sampling was performed based on the zone classification of the city. Three sampling campaigns were conducted to identify the waste composition based on seasonal variations. Studies aimed to perform stratified characterization of waste and assess chemical characteristics of the mixed waste fractions to evaluate waste-to-energy potential. Results indicate that the amount of MSW generated in the city is 1250±100 tons/day, with a generation rate of 0.65 kg/capita/day. Based on source stratification, organic matter (45.5%?±?6.5%) is a major component followed by inert waste. The paper, plastic, and textile components amount to 25% of overall waste. From seasonal studies, organic matter was higher in pre-monsoon (42%) compared to winter (39%). The moisture content of MSW varied between 30% and 35% and volatile solids between 39% and 43%. The calorific value was determined to be between 5680 – 7110 kJ/kg. Outlined the limitations and potential errors associated with sampling and waste characterization. Biochemical and thermal conversion treatment alternatives for processing, treatment, and handling were discussed. The findings of this research would assist regulatory bodies and city councils to formulate policy directives on waste sampling, characterization, segregation, education, and awareness campaigns.
关键词： Municipal solid waste;  Waste characterization;  Source segregation;  Socio-economic;  Seasonal variation;  Waste-to-energy    
Abstract: Municipal solid waste (MSW) generation and characterization are the basic inputs for waste handling and treatment systems design. In present research, we performed waste characterization investigations in Visakhapatnam (India), using a waste characterization methodology by integrating two standard sampling and characterization approaches. The characterization methodology was designed by combining seasonal variations, source, and socio-economic stratifications. Source-based sampling was performed at household(s), dumpster(s), transfer station, and landfill. Socio-economic-based sampling was performed based on the zone classification of the city. Three sampling campaigns were conducted to identify the waste composition based on seasonal variations. Studies aimed to perform stratified characterization of waste and assess chemical characteristics of the mixed waste fractions to evaluate waste-to-energy potential. Results indicate that the amount of MSW generated in the city is 1250±100 tons/day, with a generation rate of 0.65 kg/capita/day. Based on source stratification, organic matter (45.5%?±?6.5%) is a major component followed by inert waste. The paper, plastic, and textile components amount to 25% of overall waste. From seasonal studies, organic matter was higher in pre-monsoon (42%) compared to winter (39%). The moisture content of MSW varied between 30% and 35% and volatile solids between 39% and 43%. The calorific value was determined to be between 5680 – 7110 kJ/kg. Outlined the limitations and potential errors associated with sampling and waste characterization. Biochemical and thermal conversion treatment alternatives for processing, treatment, and handling were discussed. The findings of this research would assist regulatory bodies and city councils to formulate policy directives on waste sampling, characterization, segregation, education, and awareness campaigns.
Key words: Municipal solid waste    Waste characterization    Source segregation    Socio-economic    Seasonal variation    Waste-to-energy
出版日期: 2021-11-30
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Venkata Ravi Sankar CheelaSudha GoelBrajesh Dubey

引用本文:

Venkata Ravi Sankar CheelaSudha GoelBrajesh Dubey . Characterization of municipal solid waste based on seasonal variations, source and socio-economic aspects. Waste Disposal & Sustainable Energy, 2021, 3(4): 275-288.

链接本文:

https://www.zjujournals.com/wdse/CN/10.1007/s42768-021-00084-x    或    https://www.zjujournals.com/wdse/CN/Y2021/V3/I4/275

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