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有色金属(矿山部分):2022,74(3):123-127
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某山谷型非正规垃圾堆放场生态封场治理技术实践
吴亮亮,李 昊*,王 琼,龚雪刚,孙 伟,潘翰林
((矿冶科技集团有限公司,北京 100160))
Ecological closure treatment technology for a valley type informal landfill
WU Liangliang, LI Hao, WANG Qiong, GONG Xuegang, SUN Wei,PAN Hanlin
((BGRIMM Technology Group, Beijing 100160, China))
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投稿时间:2021-12-21    修订日期:2022-01-19
中文摘要: 为探究山谷型非正规垃圾堆放场地封场治理技术的可行性,针对某山谷型非正规垃圾堆放场环境风险状况,并结合场地工程地质和水文地质条件,提出基于“垂直截渗+拦挡坝+堆体加固整形+渗滤液填埋气收集与导排+封场覆盖系统+生态恢复系统+监测系统”的生态封场技术方案。结果表明:1)工程实施后场地地下水氨氮、总磷、化学需氧量和重金属锰等特征因子均不超标,对周边环境的污染风险得到了有效控制;2)垃圾堆放场生态恢复效果较好,顶部平台进行景观园林设计,坡面采用浅根性植被类型,总体覆盖度达到95%以上,区域环境有了较大的改善;3)通过对非正规垃圾堆放场生态封场、垃圾筛分资源化利用、好氧加速稳定化及异地搬迁等治理技术综合比较,在场地地质条件较好、周边无环境敏感点等情况下,建议采取生态封场技术对非正规垃圾堆放场进行治理。本项目的成功实施,为我国非正规垃圾填埋场的治理提供了借鉴。
Abstract:To explore the technical feasibility of the closure of a valley-type informal waste dump site, this paper proposes a technical plan for ecological closure based on the environmental risk status of a valley-type informal waste dump site, combined with the engineering geological and hydrogeological conditions of the site. Vertical seepage interception + blocking dam + pile reinforcement and shaping + leachate landfill gas collection and drainage + site closure and coverage system + ecological restoration system + monitoring system” engineering measures. The project implementation results show that: 1) After the implementation, the characteristic factors such as groundwater ammonia nitrogen, total phosphorus, chemical oxygen demand, and heavy metal manganese do not exceed the standard, and the pollution risk to the surrounding environment has been effectively controlled; 2) The ecological restoration effect of the garbage dump is better, landscape garden design is carried out on the top platform, and the slope surface adopts shallow root vegetation type, and the overall coverage reaches more than 95%, and the regional environment has been greatly improved; 3) Through ecological closure of informal garbage dumps, garbage disposal comprehensive comparison of treatment technologies such as screening for resource utilization, aerobic accelerated stabilization, and remote relocation. In the case of good site geological conditions and no surrounding environmentally sensitive points, it is recommended to adopt ecological closure technology to control informal waste dumps. , can achieve an ideal governance effect, and the successful implementation of this project provides a reference for the governance of informal waste landfills in my country.
文章编号:     中图分类号:X799    文献标志码:
基金项目:国家重点研发计划项目(2019YFC1806003,2020YFC1806503)
引用文本:
吴亮亮,李 昊*,王 琼,龚雪刚,孙 伟,潘翰林.某山谷型非正规垃圾堆放场生态封场治理技术实践[J].有色金属(矿山部分),2022,74(3):123-127.
WU Liangliang,LI Hao,WANG Qiong,GONG Xuegang,SUN Wei,PAN Hanlin.Ecological closure treatment technology for a valley type informal landfill[J].NONFERROUS METALS(Mining Section),2022,74(3):123-127.

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