Municipal solid waste compost: a comprehensive bibliometric data-driven review of 50 years of research and identification of future research themes

Bhattacharjee, Subhradip; Panja, Amitava; Kumar, Rakesh; Ram, Hardev; Meena, R. K.; Basak, Nirmalendu

doi:10.1007/s11356-023-28663-x

Cited by 5 publications

(1 citation statement)

References 93 publications

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“…An extensive dataset of 827 published articles and other documents was analyzed, revealing the substantial global growth in MSW research, particularly in the last two decades. The research concludes the evidence of the thematic evolution of an MSW disposal transition towards plant nutrition, biochar, soil properties, heavy metals, and microplastics, providing direction for future research [9]. Waste to energy by combustion can produce energy for electricity generation, cooling, and other applications, but produces polychlorinated dibenzodioxins and dibenzofurans, which have adverse effects on humans and the environment [10,11].…”

Section: Introductionmentioning

confidence: 88%

Assessment of Energy-Efficient Spouted Bed Aerobic Composting Performance for Municipal Solid Waste: Experimental Study

Kaneesamkandi,

Sayeed

2023

Processes

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Municipal solid waste contains a high percentage of organic waste, and when it is not disposed of, it becomes a threat to the environment by contaminating the air, water, and soil. Composting is one of the recovery techniques in which the end product of waste eventually contributes to the agriculture industry, reducing the harmful effects on the environment. Composting municipal solid waste is a clean and effective technique for waste disposal. The mechanized composting process is carried out by several methods, like the windrow method or the rotary drum method. However, large-scale composting processes involve energy consumption and labor costs for waste preparation and handling. This increases the market cost of compost. Hence, an energy-efficient composting technique with minimum environmental impact is needed. This research work aims to analyze the performance of an energy-efficient spouted bed technique for aerobic composting of municipal solid waste for the first time using spouted bed technology with sand as the bed material. Spouted bed composting handles the waste using a pneumatic method with minimum power consumption in comparison to conventional mechanical methods with windrow processes or rotary composting machines. The experimental procedure involves a test run of waste along with bed material and the collection of temperature variations, pH variations, moisture variations, and volatile matter content during the progression of the composting process. The results of this experimental study on a single batch of waste are then used to analyze the quality of the compost generated and compare it with existing results. Specific energy consumption for the process was less than 800 kJ/ton of raw waste input, which is much less than the energy used for conventional composting techniques. pH, volatile content, moisture, and temperature measurements indicated agreement with the established parameters of the composting process.

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Section: Introductionmentioning

confidence: 88%