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A platform for research: civil engineering, architecture and urbanism
Heavy metal contaminated farmland remediation system and using method thereof
The invention discloses a heavy metal contaminated farmland remediation system and a using method thereof. The heavy metal contaminated farmland remediation system sequentially comprises an ecologicalremediation area, a permeable reactive wall, an ecological interception zone, an irrigation canal and a farmland from upstream to downstream. First heavy metal hyperaccumulation plants are planted inthe ecological restoration area, a plurality of permeable reaction columns are arranged on the permeable reaction wall, second heavy metal hyperaccumulation plants are planted in the ecological interception zone, the bottom of the irrigation canal is filled with fillers, and a heavy metal passivator and a PH regulator are applied during farmland deep ploughing. Heavy metal irrigation water flowsthrough the remediation system for the heavy metal contaminated farmland, and heavy metal in the heavy metal irrigation water is effectively removed. After heavy metal irrigation water flows through the remediation system for the heavy metal contaminated farmland once, the heavy metal irrigation water can be suitable for irrigation without repeated remediation, time is saved, and the remediation efficiency of the irrigation water is improved.
本发明公开了一种重金属污染农田的修复系统及其使用方法，从上游往下游依次包括：生态修复区、可渗透反应墙、生态拦截带、灌溉渠和农田；生态修复区种植有第一重金属超富集植物，可渗透反应墙设有多根可渗透反应柱，生态拦截带种植有第二重金属超富集植物，灌溉渠底部填充有填料，农田深耕时施加有重金属钝化剂和PH调节剂。重金属灌溉水流经所述重金属污染农田的修复系统，有效地把重金属灌溉水中的重金属去除；重金属灌溉水只要流经所述重金属污染农田的修复系统一次后，不必再重复修复，即可适用于灌溉，节约了时间，提高了灌溉水的修复效率。
Heavy metal contaminated farmland remediation system and using method thereof
The invention discloses a heavy metal contaminated farmland remediation system and a using method thereof. The heavy metal contaminated farmland remediation system sequentially comprises an ecologicalremediation area, a permeable reactive wall, an ecological interception zone, an irrigation canal and a farmland from upstream to downstream. First heavy metal hyperaccumulation plants are planted inthe ecological restoration area, a plurality of permeable reaction columns are arranged on the permeable reaction wall, second heavy metal hyperaccumulation plants are planted in the ecological interception zone, the bottom of the irrigation canal is filled with fillers, and a heavy metal passivator and a PH regulator are applied during farmland deep ploughing. Heavy metal irrigation water flowsthrough the remediation system for the heavy metal contaminated farmland, and heavy metal in the heavy metal irrigation water is effectively removed. After heavy metal irrigation water flows through the remediation system for the heavy metal contaminated farmland once, the heavy metal irrigation water can be suitable for irrigation without repeated remediation, time is saved, and the remediation efficiency of the irrigation water is improved.
本发明公开了一种重金属污染农田的修复系统及其使用方法，从上游往下游依次包括：生态修复区、可渗透反应墙、生态拦截带、灌溉渠和农田；生态修复区种植有第一重金属超富集植物，可渗透反应墙设有多根可渗透反应柱，生态拦截带种植有第二重金属超富集植物，灌溉渠底部填充有填料，农田深耕时施加有重金属钝化剂和PH调节剂。重金属灌溉水流经所述重金属污染农田的修复系统，有效地把重金属灌溉水中的重金属去除；重金属灌溉水只要流经所述重金属污染农田的修复系统一次后，不必再重复修复，即可适用于灌溉，节约了时间，提高了灌溉水的修复效率。
Heavy metal contaminated farmland remediation system and using method thereof
一种重金属污染农田的修复系统及其使用方法
SHI YUNFENG (author) / LU MIN (author) / MA DANYAN (author) / CHEN JINGJING (author)
2020-09-04
Patent
Electronic Resource
Chinese
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