An Experimental Investigation of Solid Waste Gasification Using a Large Pilot Scale Waste to Energyplant

Begum, Sharmina; Rasul, M.G.; Cork, David G.; Akbar, Delwar

doi:10.1016/j.proeng.2014.11.802

Cited by 16 publications

(10 citation statements)

References 4 publications

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“…Gasification is also a flexible process that can either produce large amounts of char and ash (carbonisation) or convert waste to small amounts of char and ash with large amounts of syngas (gasification) (Begum et al, 2014). This flexibility is the reaction vessel of gasification plants is dependent on the type of feedstock and reaction temperature range.…”

Section: Methodsmentioning

confidence: 99%

A review on thermal and catalytic pyrolysis of plastic solid waste (PSW)

Al–Salem

Антелава

Constantinou

et al. 2017

Journal of Environmental Management

874

435

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Plastic plays an important role in our daily lives due to its versatility, light weight and low production cost. Plastics became essential in many sectors such as construction, medical, engineering applications, automotive, aerospace, etc. In addition, economic growth and development also increased our demand and dependency on plastics which leads to its accumulation in landfills imposing risk on human health, animals and cause environmental pollution problems such as ground water contamination, sanitary related issues, etc. Hence, a sustainable and an efficient plastic waste treatment is essential to avoid such issues. Pyrolysis is a thermo-chemical plastic waste treatment technique which can solve such pollution problems, as well as, recover valuable energy and products such as oil and gas. Pyrolysis of plastic solid waste (PSW) has gained importance due to having better advantages towards environmental pollution and reduction of carbon footprint of plastic products by minimizing the emissions of carbon monoxide and carbon dioxide compared to combustion and gasification. This paper presents the existing techniques of pyrolysis, the parameters which affect the products yield and selectivity and identify major research gaps in this technology. The influence of different catalysts on the process as well as review and comparative assessment of pyrolysis with other thermal and catalytic plastic treatment methods, is also presented.

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Section: Methodsmentioning

confidence: 99%

A review on thermal and catalytic pyrolysis of plastic solid waste (PSW)

Al–Salem

Антелава

Constantinou

et al. 2017

Journal of Environmental Management

874

435

View full text Add to dashboard Cite

show abstract

“…• Produces high CV gas with a completely combusted residual char (Borgianni et al 2002). • Can either produce large amounts of char and ash or convert waste to small amounts of char and ash with large amounts of syngas (Begum et al 2014). • Requires high operational temperatures (Panepinto et al 2015).…”

Section: Plastic Waste Management Options and Processesmentioning

confidence: 99%

Plastic Solid Waste (PSW) in the Context of Life Cycle Assessment (LCA) and Sustainable Management

Антелава

Damilos

Hafeez

et al. 2019

Environmental Management

168

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Over the past few decades, life cycle assessment (LCA) has been established as a critical tool for the evaluation of the environmental burdens of chemical processes and materials cycles. The increasing amount of plastic solid waste (PSW) in landfills has raised serious concern worldwide for the most effective treatment. Thermochemical post-treatment processes, such as pyrolysis, seem to be the most appropriate method to treat this type of waste in an effective manner. This is because such processes lead to the production of useful chemicals, or hydrocarbon oil of high calorific value (i.e. bio-oil in the case of pyrolysis). LCA appears to be the most appropriate tool for the process design from an environmental context. However, addressed limitations including initial assumptions, functional unit and system boundaries, as well as lack of regional database and exclusion of socio-economic aspects, may hinder the final decision. This review aims to address the benefits of pyrolysis as a method for PSW treatment and raise the limitations and gaps of conducted research via an environmental standpoint.

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“…Feedstock type and feedstock preparation are important factors affecting the yield and quality of produced syngas. Shredding and drying are two processes conducted to prepare the biomass raw material for gasification process [14]. The main parameters affecting the gasification are clarified below:…”

Section: Factors Affecting On the Gasification Processmentioning

confidence: 99%

“…Hydrolysis, pyrolysis, gasification, and hydrogenation are the principal processes for biomass conversion in the literature [7,11]. Gasification represents efficient and environmentally friendly method for producing the syngas as a biofuel from different sources of biomass [12][13][14], and to produce second-generation biofuels such as methanol, ethanol, and hydrogen [8,10,12,15]. Gasification can be defined as the partial (incomplete) combustion of biomass, and gasification could extract up to 60-90% of the energy stored in biomass [16,17].…”

Section: Introductionmentioning

confidence: 99%

Review of Biomass Thermal Gasification

Hamad¹,

Radwan²,

AshrafAmin³

2017

Biomass Volume Estimation and Valorization for Energy

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Gasification of biomass is one of the most attractive methods for producing hydrogen rich gas. Syngas production from biomass is an attractive solution for energy crisis. The production of energy from biomass reduces the dependence of developing countries on fossil fuels, as ample biomass is available in the developing countries and is renewable. Downdraft gasifiers are fixed bed gasifiers where the gasifying agent and biomass are flowing downwards, developed for high-volatile fuels such as wood or biomass gasification. Cocurrent flow regime throughout the oxidation and reduction zones reduces the tars and particulates in syngas, which will reduce the necessity of complicated cleaning methods compared to updraft gasifiers especially if the gas is used as a burnable gas in a small community. It is important to ensure homogenous distribution of gasifying agent at the downdraft gasifier throat. This chapter presents latest trends in gasification of biomass using downdraft gasification.

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An Experimental Investigation of Solid Waste Gasification Using a Large Pilot Scale Waste to Energyplant

Cited by 16 publications

References 4 publications

A review on thermal and catalytic pyrolysis of plastic solid waste (PSW)

A review on thermal and catalytic pyrolysis of plastic solid waste (PSW)

Plastic Solid Waste (PSW) in the Context of Life Cycle Assessment (LCA) and Sustainable Management

Review of Biomass Thermal Gasification

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