Mian Muhammad Ahmed
Manual Sorting: This involves physically separating materials by hand. It's labor-intensive but allows for precise sorting. Mechanical Sorting: Utilize machines like conveyor belts, magnets, screens, and air classifiers to automate the sorting process. These machines can sort materials based on size, shape, density, and magnetic properties. Optical Sorting: Optical sensors can detect different types of materials based on their color, allowing for high-speed sorting of recyclables. Eddy Current Separation: This technique uses magnetic fields to repel non-ferrous metals (like aluminum and copper) away from other materials, facilitating their separation. Shredding: Large items like appliances, cars, or electronic waste are shredded into smaller pieces to make processing easier. Magnetic Separation: Magnets can extract ferrous metals (those containing iron) from shredded materials. Density Separation: Using techniques like float-sink separation or cyclone separators to separate materials based on their density. Chemical Treatment: Certain chemicals can dissolve or break down materials into their component parts for further processing. Melting and Casting: Metals like aluminum, steel, and copper can be melted down and cast into new shapes for reuse. Extrusion: Plastic materials can be melted and extruded into pellets or new products. Composting: Organic materials like food waste and yard waste can be composted to create nutrient-rich soil. Reclamation: Some materials can be reclaimed and reused in their original form or in new products. For example, reclaimed wood can be used for furniture or construction.
Sorting Techniques:
Processing Techniques:
Recycling Techniques:
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