Plant carbon sink storage method based on waste strip mine
A storage method and technology for open-pit mines, which are used in solid waste removal, landfill technology, etc., can solve the problems of large space occupation, waste gas generation, insufficient decomposition, etc., and achieve the effect of reducing construction costs and reducing environmental pollution.
Pending Publication Date: 2022-05-06
CHINA UNIV OF MINING & TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a plant carbon sink storage method based on abandoned open-pit mines to solve the problem that the above-mentioned carbon sink technology mainly uses the method of returning straw to the field and burying it, which causes the straw to decompose slowly, insufficiently decompose, occupy a large space, and generate waste gas and hazardous substances
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[0027] The technical solutions of the present invention will be further described below through the accompanying drawings and embodiments.
[0028] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative...
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Abstract
The invention discloses a plant carbon sink storage method based on a waste strip mine, which comprises the following steps: S1, selecting a construction horizon; s2, constructing a bottom water-resisting layer on the bottommost layer of the construction layer; s3, the connecting dam body, the closed dam body and the two side dam bodies enclose a carbon sink reservoir; s4, the carbon sequestration reservoir is divided into a plurality of subareas by the multiple middle dam bodies; s5, gas exhaust pipelines are preset in the subareas; s6, plants are laid in the subareas close to the side dam body and compacted, sealing layers are constructed on the tops of the subareas, and strip mine dumping operation is conducted on the upper portions of the sealing layers to form a dumping site; and S7, a waste water well with the top penetrating out of the ground is built in the middle dam body, and the bottom of the waste water well penetrates through the two adjacent subareas. According to the plant carbon sink storage method based on the abandoned strip mine, the straw is buried in the mine pit, occupied space is reduced, meanwhile, a high-temperature and high-pressure sealed environment is provided for the straw through the dead weight of rock soil on a dumping site, decomposition is accelerated, and the carbon sink effect is improved.
Description
technical field [0001] The invention relates to the technical field of low-carbon environmental protection, in particular to a plant carbon sink storage method based on abandoned open-pit mines. Background technique [0002] my country has made it clear that carbon dioxide emissions will reach the peak before 2030 and achieve carbon neutrality before 2060. An important process for achieving carbon peaking and carbon neutrality is carbon sinks, that is, through afforestation, vegetation restoration and other measures to absorb the carbon dioxide in the atmosphere. The process, activity or mechanism by which the concentration of greenhouse gases in the atmosphere is reduced. From the perspective of agriculture and animal husbandry, the existing carbon sequestration technology is mainly to return straw to the field or bury it. Although carbon sequestration is realized to a certain extent, it also causes a certain decline in the quality of farmland, especially in northern regions...
Claims
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Login to View More IPC IPC(8): B09B1/00
CPCB09B1/004Y02W30/30
Inventor 陈树召潘朝港朱文成孙道延杨猛
Owner CHINA UNIV OF MINING & TECH