A method for zero discharge of domestic waste seepage liquid
A technology for landfill leakage and domestic waste, applied in the field of zero discharge of domestic waste leakage, can solve problems such as surface water pollution, and achieve the effects of cost saving, obvious economic and social benefits
Active Publication Date: 2015-09-23
广东春天生态科技集团有限公司
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Problems solved by technology
If the garbage seepage is discharged into rivers, lakes and seas, it will cause serious pollution to these surface waters
Method used
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[0028] In order to facilitate the understanding of those skilled in the art, the present embodiment will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the implementation manner is not limited to the present embodiment.
[0029] A kind of domestic waste park type biological chain processing method, it comprises the following steps:
[0030] Step A. Introduce the garbage seepage in the water channel 1 into several settling tanks 2 for settlement. The several settling tanks 2 are distributed in order from high to low. The number of settling tanks 2 can be 3-11. In this embodiment The number of settling tanks 2 is 11. For the convenience of representation, only 3 are drawn in the figure. The landfill seepage passes through several settling tanks 2 distributed in order from high to low, and settles. After its own degradation and soil layer The adsorption reduces the toxicity of landfill seepage.
[0031] Step B, discharge...
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The invention relates to the technical field of household refuse treatment and especially relates to a method for realizing household refuse leaching solution zero-discharge. The method is characterized in that a household refuse leaching solution passes through settling basins which are orderly distributed from high to low, so that through self-degradation and soil layer adsorption, leaching solution toxicity is reduced; the treated leaching solution enters into a primary pond and is used for culturing aquarium fishes, wherein the aquarium fishes can eat organic matters in the leaching solution so that a refuse surplus value is fully used; the leaching solution in the primary pond is fed into a secondary pond and is used for culturing fry, wherein the secondary pond satisfies requirements of culture of fry having weak vitality; and a part of the water in the secondary pond passes through a channel and flows into a water channel for a novel cycle so that a household refuse leaching solution concentration is reduced and household refuse leaching solution zero-discharge is realized. The method fully utilizes a household refuse surplus value, transforms a household refuse leaching solution into nutrients needed by animals and plants, is a nutrient redistribution process, realizes resource management, realizes aquarium fish culture, fry incubation and household refuse leaching solution zero-discharge, and has obvious economic and social benefits.
Description
technical field [0001] The invention relates to the technical field of domestic waste treatment, in particular to a method for zero discharge of seepage liquid from domestic waste. Background technique [0002] During the sanitary landfill process of municipal solid waste, a high concentration of organic wastewater, namely leachate, seeps out from the garbage layer. The research on the change law of leachate water volume is an important content of environmental pollution control in sanitary landfills, and it is also an important basic project for determining the scale of leachate treatment projects. Leachate control has two meanings: one is the control of leachate water quality; the other is the control of leachate water quantity. [0003] Pollutants in landfill seepage fluid penetrate vertically through the overburden and contact groundwater. In addition to molecular diffusion, they will also flow with groundwater, migrate and diffuse to downstream areas, and pollute groun...
Claims
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IPC IPC(8): C02F9/14
Inventor 林小明
Owner 广东春天生态科技集团有限公司