Presentation Title

Recycled Materials and Recycling Technologies

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Zijie LiuFollow

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Abstract

This paper reviews the state of technology in recycling coal fly ash, metal, glass, plastic, and composite materials. Recent estimates indicate that more than 33 million tons of plastic are discarded each year, of which 6.5% are recycled and 7.7% are burned. Similar amounts of materials are discarded every year, including glass, metal, and fly ash. Due to the negative impact of landfill and combustion technologies on the environment, these two methods have gradually been abandoned. The current requirements for recycling are not to pollute the environment, not to sacrifice the properties of materials obtained from recycling, but rather harness materials that can be widely used in various industries and consumer goods. Reusing discarded metals, glass, plastics, fly ash, and composite materials into building materials not only helps to treat wastes that are nowhere to be placed, but also allows the materials to play multiple roles after their initial design application. This article focuses on the basic characteristics of raw materials, the technical methods of recycling, the applications, properties, and prices after recycling these five materials.

College

College of Science & Engineering

Department

Composite Materials Engineering

Location

Winona

Presentation Type

Video (Prerecorded-MP4)

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Recycled Materials and Recycling Technologies

Winona

This paper reviews the state of technology in recycling coal fly ash, metal, glass, plastic, and composite materials. Recent estimates indicate that more than 33 million tons of plastic are discarded each year, of which 6.5% are recycled and 7.7% are burned. Similar amounts of materials are discarded every year, including glass, metal, and fly ash. Due to the negative impact of landfill and combustion technologies on the environment, these two methods have gradually been abandoned. The current requirements for recycling are not to pollute the environment, not to sacrifice the properties of materials obtained from recycling, but rather harness materials that can be widely used in various industries and consumer goods. Reusing discarded metals, glass, plastics, fly ash, and composite materials into building materials not only helps to treat wastes that are nowhere to be placed, but also allows the materials to play multiple roles after their initial design application. This article focuses on the basic characteristics of raw materials, the technical methods of recycling, the applications, properties, and prices after recycling these five materials.