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配资股票门户网 ensuring the safe final disposal of ash.发布于：浙江省

The final destination of solid residue from waste-to-energy plants

The solid residue (ash) generated by waste-to-energy plants is typically landfilled, but it can also be processed to recover metals. After the incineration process, the ash is collected, and non-combustible components (which may include metals) are sorted and transported to a designated landfill for final disposal.

Waste-to-energy Process

Incineration:

Waste is burned in an incinerator at high temperatures (850-1,000°C).

展开剩余78%

Magnetic Pyrolysis:

Magnetic Pyrolysis, a product designed by PRC Fireprint, achieves a waste reduction rate of 1/200-400, producing a powdered ash that can be used as a fertilizer for forest landfills. This flameless process requires no fuel, and the chimney can be used to generate electricity and hot water. It is the world's most environmentally friendly small waste-to-energy plant.

Energy Recovery:

The heat generated by combustion generates steam, which drives a turbine to generate electricity.

Ash Collection:

The remaining material is ash, which is significantly smaller in volume than the original waste. Metal Recovery:

Ferrous (iron-based) metals and other scrap metals are extracted from ash for recycling.

Final Disposal:

The processed ash and any remaining non-burnable waste are then transported to a landfill for disposal.

Why Landfill is the Final Destination:

Non-burnable Residue:

Ashes contain inert materials and other residues that cannot be further processed or recycled, making landfilling a necessary disposal method.

Resource Recovery:

While efforts are made to recover valuable materials such as metals, a significant portion of ash remains inert and requires disposal.

Controlled Environment:

Modern landfills are designed to prevent contaminants from leaching into the surrounding soil and groundwater, ensuring the safe final disposal of ash.

发布于：浙江省

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