Acid mine drainage treatment by integrated submerged membrane distillation-sorption system.
Seongchul Ryu,Gayathri Naidu,Abu Hasan Johir,Youngkwon Choi,Sanghyun Jeong,Saravanamuthu Vigneswaran +5 more
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TLDR
The results showed that modified (heat treated) zeolite achieved 26-30% higher removal of heavy metals compared to natural untreatedZeolite, and the integrated system produced high quality fresh water while concentrating sulfuric acid and valuable heavy metals (Cu, Zn and Ni).About:
This article is published in Chemosphere.The article was published on 2019-03-01 and is currently open access. It has received 48 citations till now. The article focuses on the topics: Sorption & Membrane fouling.read more
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A critical review on remediation, reuse, and resource recovery from acid mine drainage
Gayathri Naidu,Seongchul Ryu,Ramesh Thiruvenkatachari,Youngkwon Choi,Sanghyun Jeong,Saravanamuthu Vigneswaran +5 more
TL;DR: Insight is provided in establishing reuse and resource recovery as the holistic approach towards sustainable AMD treatment and integrated technologies that deserve in depth future exploration are highlighted.
Journal ArticleDOI
Hybrid membrane distillation: Resource, nutrient and energy recovery
TL;DR: In this article, the performance and related challenges of various hybrid Membrane Distillation (MD) systems with a focus on resource recovery are discussed. And future suggestions for improving hybrid MD are discussed, specifically pilot-scale application, module configuration and membrane development.
Journal ArticleDOI
Remediation of acid mine drainage
Mónica Rodríguez-Galán,Francisco M. Baena-Moreno,Sara Vázquez,Fátima Arroyo-Torralvo,Luis F. Vilches,Zhien Zhang +5 more
TL;DR: In this article, the authors review several treatment options such as selective metal precipitation, adsorption, electrochemical processes and membrane processes for acid mine drainage, and conclude that membrane processes are the most promising according to lab-scale results, notably because high quality water is obtained.
Journal ArticleDOI
Sustainable resolutions for environmental threat of the acid mine drainage.
Behnaz Rezaie,Austin Anderson +1 more
TL;DR: This study proposes three more sustainable solutions for reducing and eventually eliminating the impact of AMD with less capital investment while also resolving the landfill problem as well.
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Removal of As(V), Cr(VI) and Cu(II) using novel amine functionalized composite nanofiltration membranes fabricated on ceramic tubular substrate.
Sanjukta Roy,Swachchha Majumdar,Ganesh Chandra Sahoo,Subhamoy Bhowmick,Amit K. Kundu,Priyanka Mondal,Priyanka Mondal +6 more
TL;DR: Excellent stability of P-60S-EDTA membrane in continuous operation of 36 h in both ideal and practical water environment suggests its promising application in real field heavy metal contaminated waste water treatment.
References
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Experimental comparison of submerged membrane distillation configurations for concentrated brine treatment
Youngkwon Choi,Gayathri Naidu,Sanghyun Jeong,Saravanamuthu Vigneswaran,Sangho Lee,Rong Wang,Anthony G. Fane +6 more
TL;DR: In this paper, the authors evaluated the performance of three different S-MD configurations, namely, submerged direct contact membrane distillation (S-DCMD), submerged vacuum direct contact (SVDCMD), and submerged vacuum membrane distilled distillation for seawater reverse osmosis (SWRO) brine treatment.
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Selective separation of hydrogen from C1/C2 hydrocarbons and CO2 through dense natural zeolite membranes
TL;DR: In this article, the authors examined an unusual natural clinoptilolite material which has been compacted over time into crystalline blocks containing essentially no macroporosity and found that when sectioned, this material behaves as a solid, continuous molecular sieve membrane.
Mapping and Prioritising Rehabilitation of Abandoned Mines in Australia
TL;DR: In this paper, a conceptual model was developed to identify the relationship between key issues affecting the management of abandoned mines in Australia and the maturity chart was then used in the development of a maturity chart which drew on risk management principles to provide leading practice guidance for abandoned mine managers, jurisdictions and stakeholders.
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Membrane technology applied to acid mine drainage from copper mining.
TL;DR: Although concentration polarization limited NF performance at higher pressures, permeate fluxes observed in NF were five times greater than those obtained by RO, with only slightly lower divalent ion rejection rates, making it a promising option for the treatment of AMD.
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Valuable rubidium extraction from potassium reduced seawater brine
Gayathri Naidu,Sanghyun Jeong,Youngkwon Choi,Min Hyung Song,Undram Oyunchuluun,Saravanamuthu Vigneswaran +5 more
TL;DR: In this article, an integrated submerged membrane sorption reactor (SMSR) containing zeolite powder achieved 65% K removal from seawater reverse osmosis (SWRO) brine.