Journal ArticleDOI
Heavy Metal Removal and Leaching from Pervious Concrete Filter: Influence of Operating Water Head and Reduced Graphene Oxide Addition
Murugan Muthu,Krishnan Chandrasekharapuram Ramakrishnan,Manu Santhanam,Murali Rangarajan,Mathava Kumar +4 more
TLDR
In this paper, the effects of an operating water head (OWH) and reduced graphene oxide (RGO) addition on the pervious concrete filter (PCF) and heavy metals interaction were investigated.Abstract:
The effects of an operating water head (OWH) and reduced graphene oxide (RGO) addition on the pervious concrete filter (PCF) and heavy metals interaction were investigated in the present st...read more
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Journal ArticleDOI
Improvement of heavy metal removal from urban runoff using modified pervious concrete.
Pamodithya Wijeyawardana,Nadeeshani Nanayakkara,Chamila Gunasekara,A. K. Karunarathna,David W. Law,Biplob Kumar Pramanik +5 more
TL;DR: In this paper , the effects of initial concentration, contact time and competing ions on heavy metal removal using porous concrete are discussed and the effect of decalcification, atmospheric carbonation, acid influent and acid-influent on heavy metals removal is reviewed.
Journal ArticleDOI
The control efficiency and mechanism of heavy metals by permeable pavement system in runoff based on enhanced infiltration materials.
Ziyang Zhang,Hao Qi,Hongrui Chen,Xiaoran Zhang,Chaohong Tan,Xiaojuan Bai,Yongwei Gong,Haiyan Li +7 more
TL;DR: In this paper , new enhanced infiltration materials (construction waste brick, coal gangue, activated carbon, multilayer carbon nanotube, multi-layer graphene) were applied in PPS and the control efficiency and mechanism of typical heavy metals (HMs, Mn2+, Pb2+, Zn2+, Cu2+, Cd2+, Ni2+) was investigated in runoff.
Journal ArticleDOI
Study on properties of metakaolin-based cement paste coating and its application of adsorbing methylene blue in water
TL;DR: In this paper , the properties of metakaolin (MK) based cement paste coating and the effects of the metakolin on removing methylene blue in water were investigated, and the results showed that the fluidity of the cement paste decreased and the cohesiveness increased with increase of the content of MK.
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Synergistic effect of aggregate gradation band and cement to aggregate ratio on the performance of pervious concrete
TL;DR: In this paper , the impact of aggregate gradation band width and cement to aggregate ratio on the performance of conventional PC and recycled aggregate based pervious concrete (RPC) was analyzed.
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Performance of permeable concrete mixes based on cement and geopolymer in aggressive aqueous environments
TL;DR: In this paper , the heavy metal removal in permeable concrete samples based on geopolymer and Portland cement was examined in a study, and their performance when exposed to strong acids and turbid water were also investigated.
References
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Leaching potential of pervious concrete and immobilization of Cu, Pb and Zn using pervious concrete
TL;DR: It was found that Pb immobilization was greater than either Cu or Zn, and Zn is the most mobile among three and also has the highest variation in the observed degree of immobilization.
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Leaching resistance of hazardous waste cement solidification after accelerated carbonation
TL;DR: In this article, the effect of carbonation on the leaching resistance of hazardous waste cement solidification was studied using the finite element software COMSOL Multiphysics, which was used to simulate the process of accelerated carbonation and its effect on leaching.
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A concrete reactive barrier for acid mine drainage treatment
TL;DR: Pervious concrete was investigated for potential use as a permeable reactive barrier (PRB) for treatment of acid mine drainage (AMD) as discussed by the authors, and the concrete PRB treatment led to the effective removal of major metals from the AMD.
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Pb removal in pervious concrete filter: Effects of accelerated carbonation and hydraulic retention time
TL;DR: In this paper, the effects of accelerated carbonation and hydraulic retention time (HRT) on the lead removal in pervious concrete filter (PCF) were investigated, and it showed that the CO2 uptake by PCF marginally improved the Pb fixation.
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Immobilization of copper ions laden kaolin waste: influence of thermal treatment on its immobilization in cement paste
TL;DR: In this article, the influence of thermal treatment of Cu2+ laden kaolin wastes on its immobilization efficiency in cement paste was investigated and the results showed that the thermal treatment improved the fixation ratio of cement pastes containing up to 20% of thermally treated waste.