Civil engineering applications

doi:10.1016/b978-0-12-820685-0.00015-6

Cited by 2 publications

(2 citation statements)

References 191 publications

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“…In wet or solution grinding, rubber waste is swelled in a solvent or a fatty acid followed by meshing and then positioning in the conventional lines for pulverization. By the alliance of solvents with conventional ambient or cryogenic grinding, it is possible to gain fine particles . In the ozone cracking method, rubber is first exposed to a high concentration of ozone to yield smaller particles, followed by mechanical pulverization.…”

Section: Waste Tires Grinding Technologiesmentioning

confidence: 99%

“…By the alliance of solvents with conventional ambient or cryogenic grinding, it is possible to gain fine particles. 51 In the ozone cracking method, rubber is first exposed to a high concentration of ozone to yield smaller particles, followed by mechanical pulverization. Unfortunately, ozone cracking deteriorates the reactivity of the surface as a consequence of the oxidation of ozone during pulverization.…”

Section: ■ Waste Tires Compositionmentioning

confidence: 99%

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Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective

Wiśniewska

Haponiuk

Colom

et al. 2023

ACS Sustainable Chem. Eng.

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As a consequence of massive production and consumption of rubbers, rubber blends, and rubber composites for myriad applications, elastomeric products have enormously accumulated and become an environmental threat. The disposal and burning of rubber wastes have been banned because of environmental and economic reasons. By contrast, a great deal of attention has been directed toward strategies enabling recycling and reuse of rubbers. Basically, conventional recycling methods suffer from several drawbacks such as the formation of dust, fumes, and toxic gases in the air, as well as contamination of underground water resources. Thus, green and sustainable formulations and processing methods nowadays are of priority and importance. Taking advantage of sustainable development horizons, scientific and technological aspects of waste rubber management such as processing techniques, properties of the resulting products, industrial applications, and compatibilization with other materials such as thermoplastics, thermosets, and rubbers are herein reviewed and discussed. A particular emphasis is placed on reactive extrusion as a highly flexible in situ compounding method enabling innovations and taking care of sustainability concerns. Finally, the current status of green rubber recycling and future opening doors ahead of this technology are highlighted.

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Section: Waste Tires Grinding Technologiesmentioning

confidence: 99%

Section: ■ Waste Tires Compositionmentioning

confidence: 99%

Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective

Wiśniewska

Haponiuk

Colom

et al. 2023

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

show abstract

Improving efficiency of micro gas turbine systems by integration of combustor and recuperator using additive manufacturing techniques

Sheykhpoor,

Darabkhani,

Awan

2023

Int J Adv Manuf Technol

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World energy consumption is rapidly increasing, and global rising patterns show a higher consumption increase in residential and commercial buildings. Combined heat and power (CHP) systems have been developed and commercialised to distribute and decentralise electricity generation for domestic applications to reduce energy consumption and gas emissions. The use of a micro gas turbine (MGT) shows a number of advantages over other CHP systems including smaller size, ease of operation, and competitive maintenance cost. The low efficiency of the current MGT units in the market combined with the urgent requirement for highly efficient and low-emission energy conversion systems are the motivations for the development of new MGTs using additive manufacturing (AM) techniques. In this study, the current metal-AM systems are reviewed, the development of the MGT combustor and heat exchanger is presented, and the challenges and opportunities toward manufacturing more efficient MGT for domestic applications are discussed. The integration of the combustor and recuperator of the hot section of a MGT is proposed to achieve up to 5% improvement in efficiency with a significant reduction in the weight and size of the system.

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Civil engineering applications

Cited by 2 publications

References 191 publications

Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective

Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective

Improving efficiency of micro gas turbine systems by integration of combustor and recuperator using additive manufacturing techniques

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