Land Reuse Treatment Methods for Waste Landfills

Abstract

The invention discloses a land reuse processing method of a refuse landfill. The land reuse processing method of the refuse landfill comprises the steps of re-excavating, cleaning and treating the whole landfill, sorting humus soil, combustibles, recoverable substances, unrecoverable inorganic substances and dangerous and waste substances, transporting the humus soil to a soil treatment and desert treatment place, packaging and transporting the combustibles to a waste incineration power plant for incineration power generation, conducting harmless treatment and recovery on the recoverable substances, backfilling the unrecoverable inorganic substances in place, transporting the dangerous and waste substances to a dangerous and waste center and obtaining harmless land. The land reuse processing method has the advantages that the substances in the refuse landfill are re-smashed and sorted at a time, treatment scale, namely daily treatment tonnage can be ensured. After the landfill is treated and reused, a large amount of humus soil (nutritional soil) is obtained and can be used for planting woods, the woods absorb carbon dioxide and release oxygen, and atmospheric pollution and haze situation are improved. Land resources are reutilized, the arable land minimum in our country is guaranteed, and the land reuse processing method has immeasurable strategic significance.

Description

technical field [0001] The invention relates to a treatment method for a landfill of garbage, in particular to a treatment method for land reuse of a landfill of domestic garbage. Background technique [0002] At present, the waste disposal methods widely used in China mainly include sanitary landfill, incineration, and composting. Since the late 1980s, my country began to establish standardized landfills. These landfills have been greatly improved compared with the original dumps (informal landfills). Corresponding control measures have been taken for the pollution of landfill gas and landfill gas; in terms of construction management, landfill in different areas, layered compaction, and regular soil covering have been implemented. Due to its large processing capacity, strong adaptability, one-time treatment, no residue, convenient management and reasonable operating costs, the sanitary landfill method has become the main means of urban solid waste treatment in my country. ...

AI Technical Summary

Problems solved by technology

Some artificially backfilled wastes are buried in the ground, and some of them are not well isolated. If they come into direct contact with groundwater after the water level rises, it will cause groundwater pollution.

Landfills are also very easy to cause environmental risk accidents, such as liquid leakage, multiple accidents caused by biogas explosions, toxic gas leakage, etc., resulting in loss of personnel and property

[0008] Landfills occupy a large amount of arable land repeatedly, and these landfills are a great waste of land resources, especially in plain areas

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