Recent Advances of Biomass Waste to Gas Using Landfill Bioreactor Technology - A Review

Hettiaratchi, Patrick; Jayasinghe, Poornima; Tay, Joo‐Hwa; Yadav, Santosh Kumar

doi:10.2174/1385272819666150119223002

Cited by 18 publications

(17 citation statements)

References 46 publications

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“…Much of what happens in a conventional sanitary landfill cannot be controlled or doctored because a conventional sanitary landfill is essentially alternative layers of soil and MSW which have been compacted. This realization had led to the concept of 'bioreactor landfills' , which was introduced in the late 1970s [80,143]. The concept envisages to turn conventional sanitary landfills into rigorously controlled 'bioreactors'.…”

Section: Capture and Utilization Of Landfill Gasmentioning

confidence: 99%

“…During the last two decades, substantial efforts have been invested in developing the bioreactor landfill technology [13, 30, 65, 66, 80, 81, 87, 80, 91-93, 118, 140, 153, 152, 172, 196]. But very few full-scale landfill bioreactors are currently in operation, of which none exists in any developing country [12,80,81,170]. The reasons are not hard to see; every step to turn a conventional landfill into a bioreactor requires capital and recurring expenditure.…”

Section: Capture and Utilization Of Landfill Gasmentioning

confidence: 99%

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The myth and the reality of energy recovery from municipal solid waste

Abbasi

2018

Energ Sustain Soc

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Background: Any manner of development can be sustainable only if the waste generated by it is not allowed to accumulate but is fully reused/recycled/recovered. Among the strategies to attain this goal have been the attempts to recover energy from municipal solid waste (MSW). About 60% of MSW is carbonaceous, consisting of materials which can either be biodegraded into fuels like methane or incinerated, thereby generating utilizable energy. MSW also contains several components-like metallic scrap and glass pieces-which can be reused or recycled, thereby achieving energy conservation. Given these attributes, MSW appears to be a potential source of energy and resources. Indeed, this belief that MSW is usable if only we try sincerely enough to do so prompts most of us to keep generating much more MSW than is warranted. But how realizable really is the energy potential of MSW? What perils loom into view when we actually set out to utilize MSW as an energy source? The present study addresses these crucially important questions. Methods: The work is based on a critical content analysis of the prior art. Results: The generation of MSW has consistently outpaced the world's efforts to dispose of it cleanly, and the energy (and material) recovery from MSW is easier said than done. In most instances, what is technically feasible is economically unfeasible. And what is economically feasible-such as setting the waste on fire as is often done in developing countries-is exceedingly harmful to the environment and the human health. Measures such as sanitary landfilling and incineration create as many new problems as the old ones they solve. Moreover, despite the use of these less-than-adequate technologies, a major portion of MSW generated in the world lies untreated. Conclusions: As the MSW output is expected to double by 2025, this situation is only set to become worse. Rising tides of E-waste would compound the problem even further. Hence, enormous stress should be put on the reduction of MSW generation by controlling wanton consumerism and wastage, rather than continuing with it in the false hope that technology will soon provide a magical solution and eliminate the problem.

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Section: Capture and Utilization Of Landfill Gasmentioning

confidence: 99%

Section: Capture and Utilization Of Landfill Gasmentioning

confidence: 99%

The myth and the reality of energy recovery from municipal solid waste

Abbasi

2018

Energ Sustain Soc

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“…Acceleration of breakdown of lignin-rich materials will require more rapid enzymatic activity, which can be addressed in two ways: (i) extracellular enzymes similar to those produced by white-rot fungi, which are available commercially, can be added to the system thereby eliminating the need to use the organism itself in biodelignification Hettiaratchi et al, 2015;Jayasinghe et al, 2011;Jayasinghe et al, 2014;Jayasinghe et al, 2013). Researchers have applied this technique of enzymatic biodelignification with the prospect of enhanced recovery of chemicals/biogas with varying degrees of success (Schroyen et al, 2017;Schroyen et al, 2014;Schroyen et al, 2015) although not to realistic, complex waste materials such as wood or newspaper.…”

Section: Introductionmentioning

confidence: 99%

Application of enzymatic and bacterial biodelignification systems for enhanced breakdown of model lignocellulosic wastes

Muaaz-Us-Salam

Cleall

Harbottle

2020

Science of The Total Environment

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“…Due to complexity of hydrogeological conditions and biochemical processes in a landfill, the assessment of the leachate plume extent requires detailed and unconventional measurements. The observation of the biogas emissions and lateral gas transport in soil adjacent to a landfill is a supplementary tool to demonstrate landfill impact on the environment [11][12][13]. Usually, the assessment of a leachate-contaminated area is based on the physical and chemical composition of groundwater, biochemical oxygen demand, chemical oxygen demand, total organic carbon, and heavy metals [2,[14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

A Simple Method for Delineation of Leachate Plumes

Porowska

2017

Period. Polytech. Chem. Eng.

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Measurement and calculation of the carbon isotopic composition of groundwater from piezometers located around a reclaimed landfill were performed in order to test the method to distinguish the piezometers localized within the contaminated area and to identify the boundaries of the leachate plume. In order to select the best method for delineation of the leachate plume it was analyzed: chemical composition, the stable carbon isotopic composition in groundwater, and the calculation of carbon isotopic composition in groundwater. Comparison of the different methods for delineation of the leachate plume indicate, that the best method appear to be method based on the measurement and calculation of the carbon isotopic composition in groundwater. The proposed method has been tested using the data from Otwock landfill (Poland), but it can also be used in other contaminated areas.

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Recent Advances of Biomass Waste to Gas Using Landfill Bioreactor Technology - A Review

Cited by 18 publications

References 46 publications

The myth and the reality of energy recovery from municipal solid waste

The myth and the reality of energy recovery from municipal solid waste

Application of enzymatic and bacterial biodelignification systems for enhanced breakdown of model lignocellulosic wastes

A Simple Method for Delineation of Leachate Plumes

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