When tailings contain sulphide minerals it may also lead to acid mine drainage This makes the effective and efficient recycling and reuse of mine waste a major environmental concern However the physical mineralogical and chemical composition of the mine tailings renders it a suitable material for use in civil engineering applications
·The management of waste materials generated from the mining process is a serious environmental issue in various countries Sivakugan et al 2006 Benzaazoua et al 2008 Among these waste materials mine tailings contain various toxic trace elements such as arsenic hereinafter As heavy metals and sulfide which can cause environmental
·the population in its surroundings [1 13 15] In this scenario recycling mine tailings can help reduce the number of tailings for disposal Circular economy recyclability recycling and reuse have been identified as emerging solutions that can drive the multidimensional aspects of sustainability in the mining and metal extraction industries
·The generated tailings in the mining sector are mostly disposed through conventional tailings management systems storing in tailings dams Due to the depletion of global ore deposits and new environmental rules it is inevitable to consider new tailings management systems including recycling and reuse
·The biggest waste streams both in metal value and in volume in mining are tailings which create long term environmental liabilities to the companies Wang et al 2014 due to the potential for acid rock drainage generation Simate and Ndlovu 2014 from sulphidic of considering the tailings only as an environmental challenge the tailings
·One such mine tailings management strategy gaining popularity worldwide in ASM is mine tailings recycling MTR or the conversion of tailings into valuable products assets or applications through a reprocessing method that may decrease the exposure of humans and ecosystems to contaminated material Lottermoser 2011 Recent efforts in ASM operations
·The objective of this article is to define targets and indicators for mine tailings management to achieve the sustainable development goals defined in the 2030 Agenda for Sustainable Development by the United Nations Numbers of projects already re using re processing and recycling mine tailings Number No unit 32 Greenhouse gas GHG
·Applying new technologies and tailings reprocessing and recycling is becoming increasingly important in the mining industry Maruthupandian et al 2021; Vitti et al 2022;Qaidi et al 2022
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