A critical review on remediation, reuse, and resource recove

A critical review on remediation, reuse, and resource recovery fromacid mine drainage *Gayathri Naidua , Seongchul Ryu a , Ramesh Thiruvenkatachari b , Youngkwon Choi a ,Sanghyun Jeongc ,Saravanamuthu Vigneswaran acritical resource, *a Faculty of Engineering, University of Technology Sydney (UTS), P。O。 Box 123, Broadway, NSW, 2007, Australiab Commonwealth Scientif i c and Industrial Research Organisation (CSIRO), 1 Technology Court, Pullenvale,Queenslandcritical resource, 4069, Australiac Graduate School of Water Resources, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do, 16419, Republic of Koreaa r t i c l e i n f oArticle history:Received 22 November 2018Received in revised form6 January 2019Accepted 17 January 2019Available online 6 February 2019Keywords:Acid mine drainageMembrane processesRare earth elementsResource recoveryWater reusea b s t r a c tAcid mine drainage (AMD) is a global environmental issue。

Conventionally, a number of active andpassive remediation approaches are applied to treat and manage AMD。 Case studies on remediationapproaches applied in actual mining sites such as lime neutralization, bioremediation, wetlands andpermeable reactive barriers provide an outlook on actual long-term implications of AMD remediation。Hence, in spite of available remediation approaches, AMD treatment remains a challenge。 The need forsustainable AMD treatment approaches has led to much focus on water reuse and resource recovery。

Thisreview underscores (i) characteristics and implication of AMD, (ii) remediation approaches in miningsites, (iii) alternative treatment technologies for water reuse, and (iv) resource recovery。 Specif i cally, therole of membrane processes and alternative treatment technologies to produce water for reuse fromAMD is highlighted。 Although membrane processes are favorable for water reuse, they cannot achieveresource recovery, specif i cally selective valuable metal recovery。 The approach of integrated membraneand conventional treatment processes are especially promising for attaining bot。。。

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