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采矿业转型中的技术和环境审计案例研究:Samarco 的复工复产.pdf

上传人: a****d 编号:402767 2025-01-10 25页 8.06MB

1、Technical and Environmental Audit in the transformation of the Mining SectorCase study:Samarcos operation resumptionMIT Global Summit on Mine Tailings InnovationSeptember 19-20,2024Vicente MelloSenior Vice President AECOMGlobal Technical and Environmental Advisory and Mining Sustainability LeaderBra

2、zil Chief ExecutiveIndependent Auditor,reporting to the Public Prosecutors Office,the Public Defense Office,the Federal/State Government,the Federal/State Environmental Agency,and the National Mining Agency Brumadinho and Mariana dam failures emergency response;Remediation after the Brumadinho failu

3、reDevelopment and implementation of the Fauna emergency response after the Brumadinho failureRestoration of the Candonga Power PlantRemediation,reinforcement,and reconstruction of the remaining structures in the Germano and Feijo mining sitesAnalysis,reinforcement,and closure of the TSF structures i

4、n the Itabira and Fbrica sitesDevelopment and implementation of dam break studies and emergency response plans for all mining sites owned by VALE in Minas GeraisDevelopment and implementation of the fauna emergency preparedness plans for all sites owned by VALE in MGNegotiation of the 22 judicial ag

5、reements to decommission all upstream tailings dams in MGIndependent Technical Expert and Advisor to the Brazilian Mining Agency on the 273 most critical TSFs in BrazilSince Nov/2015,AECOM has been working on the transformation of the Mining Industry in Brazil,supporting the Brazilian authorities as

6、 the Independent Technical,Environmental and Social Auditor and ExpertJudicial Expert,reporting to the Judge of the Samarco case and supporting the Court of Appeal on the renegotiation of the Samarco Overall AgreementJudicial Expert to the Judge of the Samarco case on Population Resettlement and Hou

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根据报告的内容,本文主要介绍了Samarco公司在其运营恢复过程中,如何通过技术、环境和社会审计,实现矿业转型。主要内容包括: 1. Samarco公司因Fundão和Brumadinho大坝事故,面临公众信任危机、机构支持不足和缺乏明确案例/基准等挑战。 2. AECOM公司作为独立技术、环境和社会审计师,对Samarco公司进行监督和报告,提出建议、风险评估和进展跟踪。 3. Samarco公司采用分阶段方法应对挑战,包括:重启C3、C2和C1选矿厂,恢复Fundão谷地,以及上游尾矿坝的退役。 4. 各阶段部署了特定的技术、环境和工程解决方案,包括:尾矿过滤、干堆、长距离传送带、尾矿作为建筑材料等。 5. 这些措施实现了水资源节约、CO2排放减少、操作效率提高等环境和社会效益。 6. Samarco公司承诺在长期运营中实现“零废物”,并继续研究尾矿和矿业废物的新的潜在应用。
矿业转型中的技术与环境审计 巴西矿业如何应对灾难性失败 矿业转型如何实现零废物目标
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