Method used for repairing copper mine waste land soil heavy metal pollution through plant plantation

• Main Authors: JIN QIAN, ZHOU LINA, LI SHAN, CUI BINBIN, GUAN YANYING, ZHANG YAN, GUAN CHAONAN, ZHOU DINGDING, KONG LIXIAO, CAO LIUQING, TENG ZHONGCAI, ZHANG DONGMEI
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2018
• Subjects: DISPOSAL OF SOLID WASTE; PERFORMING OPERATIONS; RECLAMATION OF CONTAMINATED SOIL; RECLAMATION OF CONTAMINED SOIL SOIL; TRANSPORTING

The invention provides a method used for repairing copper mine waste land soil heavy metal pollution through plant plantation. The heavy metal pollutant comprises copper, lead, zinc, chromium, cadmium, arsenic, or composite pollutant. Plants with heavy metal enrichment capacity are planted in polluted soil; at growth period of the plants, plant growth inhibitors are sprayed onto the plants; at plant maturation period, heavy metal pollution repairing promoters are sprayed onto the plants; and at plant aging period, harvesting of the plants is carried out, so that heavy metal pollution elimination is realized. The enrichment capacity of the underground parts of Cirsium setosum, Chloris virgata, and Humulus scandens on copper and arsenic ions is excellent, so that Cirsium setosum, Chloris virgata, and Humulus scandens can be taken as ecological restoration plants of copper and arsenic ions; the enrichment capacity and the transporting capacity of Setaria viridis on lead ions, and the enrichment capacity and the