Organic bank-soil leaching system for repairing heavy metal and petroleum soil contamination
A soil pollution and petroleum technology, applied in the field of biopillar-soil leaching system, can solve the problems of destroying soil microaggregate structure, groundwater pollution, secondary pollution, etc., and achieve the effect of simplifying the system, maintaining fertility and saving costs
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[0028] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.
[0029] The present invention is heterotopic soil remediation. After clearing and excavating the polluted soil, it enters the system of the present invention for processing after certain pretreatment. The pretreatment is mainly through crushers and screening machines to crush large pieces of soil to a particle size of less than 2.5cm, and separate impurities such as stones and garbage after screening. Add sawdust and straw to the polluted soil after sieving as soil bulking agent to increase the porosity of the soil.
[0030] Such as figure 1 and figure 2 As shown, a biopile-soil leaching system for repairing heavy metal and petroleum soil pollution includes a biopile system, nutrient and water addition and leaching system, air su...
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