Use of waste derived fuels in cement industry: a review

Chatziaras, Nickolaos; Psomopoulos, Constantinos S.; Themelis, Nickolas J.

doi:10.1108/meq-01-2015-0012

Cited by 116 publications

(78 citation statements)

References 25 publications

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“…For the pyrolysis oil on the other hand, unlike the oil from PET, the oil produced from PVDF cannot be used as such for energetic purposes without intensive downstream treatments. This is because of the presence of high amounts of fluorinated hydrocarbons and aromatics . Therefore, the pyrolysis oil derived from PVDF was assumed to be incinerated in a hazardous waste incineration facility.…”

Section: Life Cycle Impact Assessment—results and Interpretationmentioning

confidence: 99%

A comparative life cycle assessment of end‐of‐life treatment pathways for photovoltaic backsheets

Aryan

Font-Brucart

Maga

2018

Progress in Photovoltaics

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In light of growing photovoltaic (PV) installation capacities around the world, and with it the increasing number of decommissioned modules, it is vital that PV waste is duly treated to recover valuable materials as well as to comply with legislative requirements. The European Union (EU) directive on Waste Electrical and Electronic Equipment and the Restriction of Hazardous Substances mandates manufacturers, retailers, and importers to collectively organise and finance the end‐of‐life (EoL) stage of electronic products in the EU. Using life cycle assessment, this study makes a comparative analysis of the environmental impacts stemming from the EoL treatment of fluorine‐free and fluorinated backsheet material present in PV modules. The 2 potential EoL treatment scenarios explored in this study are incineration and pyrolysis. In general, the life cycle assessment of fluorine‐free backsheet material shows better environmental performance than fluorinated backsheet material for both EoL scenarios. For incineration scenario, the environmental impact of fluorine‐free backsheet is evidently better than fluorinated backsheet across 11 out of 12 investigated impact categories. Similarly for pyrolysis scenario, fluorine‐free backsheets have better environmental performance than fluorinated backsheets in 8 out of 12 impact categories. Furthermore, because of the release of high amounts of hydrogen fluoride, as well as the presence of halogenated hydrocarbons and halogenated aromatics in pyrolysis products, it can be concluded that pyrolysis is not an environmentally feasible pathway for fluorinated backsheet.

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Section: Life Cycle Impact Assessment—results and Interpretationmentioning

confidence: 99%

A comparative life cycle assessment of end‐of‐life treatment pathways for photovoltaic backsheets

Aryan

Font-Brucart

Maga

2018

Progress in Photovoltaics

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“…The RDF produced at the Jaipur plant is then primarily transported to M/s Vikram Cement, Neemuch, Madhya Pradesh, where it is used as a fuel in the kiln to substitute a maximum of 10 to 15% of the coal requirement. RDF and solid recovered fuel have great potential, especially in the cement industry, and research has shown it to be ecologically and economically justified (Chatziaras, Psomopoulos, & Themelis, 2016;Nasrullah, Vainikka, Hannula, Hurme, & Koskinen, 2015).…”

Section: Resultsmentioning

confidence: 99%

Waste‐to‐energy recovery potential: A case study at Jaipur railway station

Srivastava

Brighu

Rajput

2018

Environmental Quality Mgmt

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A study was conducted at the Jaipur railway station in Jaipur, India, to give the perspectives of the actual waste management practices there. Required information was collected from the stakeholders by means of semi‐structured questionnaires, individual and group interviews, and recorded, official data regarding waste generation, collection, transportation, and disposal. Further quantitative and compositional analyses were performed by means of surveys and measurements. Field visits were made for collection of waste samples for quantification and for the study of its management. The field data were compiled and analyzed by sorting the waste into different components. It was found that 1.8 tons of solid waste is collected per day, and a considerable percentage of it comprises paper, plastic, and glass. Excluding the inerts, which are irrelevant from the point of view of energy saving and recovery potential, the average moisture content was found to be 3.38%. From the perspective of life cycle analysis, the option of composting or recycling would give savings of 28.33 gigajoules (GJ) per day over landfilling, while combustion would give savings of 2.97 GJ per day in comparison to landfilling. Analysis based on a compositional model gives a heat value of 8,157.87 kilojoules per kilogram, which amounts to 14.68 GJ of energy per day.

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“…According to a recent study by the United States Geological Survey (USGS), U.S. cement and clinker production is about 80 million metric tons per year. The production of cementitious materials consumes a significant amount of energy (20-40% total energy cost) [6,7]. Cement production also contributes to 4% of the global industrial carbon dioxide (CO 2 ) emissions [8].…”

Section: Introductionmentioning

confidence: 99%

Steady Flow of a Cement Slurry

et al. 2019

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Understanidng the rheological behavior of cement slurries is important in cement and petroleum industries. In this paper, we study the fully developed flow of a cement slurry inside a wellbore. The slurry is modeled as a non-linear fluid, where a constitutive relation for the viscous stress tensor based on a modified form of the second grade (Rivlin–Ericksen) fluid is used;we also propose a diffusion flux vector for the concentration of particles. The one-dimensional forms of the governing equations and the boundary conditions are made dimensionless and solved numerically. A parametric study is performed to present the effect of various dimensionless numbers on the velocity and the volume fraction profiles.

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Use of waste derived fuels in cement industry: a review

Cited by 116 publications

References 25 publications

A comparative life cycle assessment of end‐of‐life treatment pathways for photovoltaic backsheets

A comparative life cycle assessment of end‐of‐life treatment pathways for photovoltaic backsheets

Waste‐to‐energy recovery potential: A case study at Jaipur railway station

Steady Flow of a Cement Slurry

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