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A technology of polluted soil and repair method, which is applied in the field of plant planting and repair of lead-zinc polluted soil, to achieve ideal repair effect, beneficial to water purification and good economic benefits
Inactive Publication Date: 2019-12-17
GUIZHOU ACADEMY OF TESTING & ANALYSIS
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a repaired soil with a depth of tens of meters for mining areas with lead-zinc pollution, and to form a three-dimensional restoration structure integrating trees,
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Embodiment 1
[0021] A method for repairing plants in lead-zinc polluted soil, comprising the following steps:
[0022] Step 1: select trees, shrubs, vines, and herbs to be planted in the contaminated soil of the lead-zinc mining area for cultivation, and complete the remediation of the lead-zinc contaminated soil. Arbors are cedar, sycamore, willow, fir, pine, birch, and camphor; shrubs are rhododendron, prickly pear, camellia, camellia, Pittosporum, Sijigui, cycad, privet, boxwood , top ten meritorious service, tortoiseshell holly, fireweed, bamboo one or more interplanting; vines are creeper, wild grape, August melon, King Kong vine, white flower vine, ivy vine, chicken dung vine, dense flower One or more interplants of bean, ivy, and Pueraria mirifica; herb is interplanted with one or more of dandelion, clover, alfalfa, milk vetch, tall fescue, red fescue, and safflower. When planting plants, give priority to species that are easy to survive according to the local geographical location...
Embodiment 2
[0029] A method for repairing plants in lead-zinc polluted soil, comprising the following steps:
[0030] Step 1: select trees, shrubs, vines, and herbs to be planted in the contaminated soil of the lead-zinc mining area for cultivation, and complete the remediation of the lead-zinc contaminated soil. Arbors are cedar, sycamore, willow, fir, pine, birch, and camphor; shrubs are rhododendron, prickly pear, camellia, camellia, Pittosporum, Sijigui, cycad, privet, boxwood , top ten meritorious service, tortoiseshell holly, fireweed, bamboo one or more interplanting; vines are creeper, wild grape, August melon, King Kong vine, white flower vine, ivy vine, chicken dung vine, dense flower One or more interplants of bean, ivy, and Pueraria mirifica; herb is interplanted with one or more of dandelion, clover, alfalfa, milk vetch, tall fescue, red fescue, and safflower. When planting plants, give priority to species that are easy to survive according to the local geographical location...
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Abstract
The invention discloses a lead-zinc contaminated soil plant planting remediation method which comprises the following steps: selecting arbor, shrub, vine and herbal plants, and planting the arbor, shrub, vine and herbal plants in lead-zinc ore region contaminated soil, cultivating to complete remediation of lead-zinc contaminated soil; in an initial planting stage of arbor, shrub, vine and herbalplants, after survival is stable, applying a soil conditioner, a stabilizer, an inorganic fertilizer and farmyard manure to planting land according to soil fertility of planting land; and after planting survival, evaluating the migration and conversion efficiency of heavy metals in soil irregularly, and evaluating the enrichment efficiency of arbor, shrub, vine and herbal plants. According to thelead-zinc contaminated soil plant planting remediation method, the soil remediation depth can reach tens of meters, an arbor, shrub, vine and herbal plant integrated three-dimensional remediation structure is formed in the space structure, planted wood can be used, biomass is large, secondary treatment is not needed, and no secondary pollution is generated.
Description
technical field [0001] The invention relates to the technical field of ecological environment restoration, in particular to a method for planting and repairing plants in lead-zinc polluted soil. Background technique [0002] The development and utilization of mineral resources is the engine of economic development in a certain period, but the cost is that it causes serious pollution to the environment. Indigenous zinc smelting process is the cheapest and most popular process. The lead-zinc dust produced by its production diffuses in the atmosphere with the flow of high-temperature smoke and dust, and enters the surrounding soil through natural settlement or rain settlement, causing mining areas and the surrounding soil accumulated a large amount of heavy metals. Heavy metals are relatively stable in the soil, will not degrade, and are difficult to remove. At the same time, heavy metals will migrate into the crops when the crops grow, thus affecting human health. Through t...
Claims
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Application Information
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