Process of repairing polluted soil by combined use of chemical elution and chemical reduction
A technology of polluted soil and chemical leaching, applied in the field of environmental restoration, can solve problems such as difficult engineering application, inability to realize strengths and avoid weaknesses, complex process flow, etc., and achieve the effects of resource saving, stable restoration effect, and reduction of environmental risks
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[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] This embodiment provides a kind of technology that uses chemical leaching and chemical reduction to restore hexavalent chromium polluted soil in combination, such as figure 1 As shown, it specifically includes the following steps:
[0022] 1) Construction of spray field 8: The anti-seepage structure of the spray field is, from top to ...
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