Construction and demolition waste repurposed for heavy metal ion removal from wastewater: a review of current approaches

KH Ranaweera, MNC Grainger, AD French… - International Journal of …, 2023 - Springer
Over the past few decades, the world is facing critical water supply problems caused by the
relentless increase of global human populations and the associated rise of anthropogenic …

[HTML][HTML] Evaluating the performance of cement-modified biochar adsorbent for Cu, Pb and Zn removal from urban stormwater

P Wijeyawardana, N Nanayakkara, D Law… - Process Safety and …, 2024 - Elsevier
This research investigates the use of biochar modified with Ordinary Portland Cement (OPC)
as an adsorbent for heavy metal removal and evaluates the impact of competing ions and …

Investigation of performance and mechanism of zinc removal from polluted water by concrete fines derived from aggregate recycling: From problematic byproducts to …

HJ Ho, A Iizuka - Chemosphere, 2023 - Elsevier
Concrete fines are byproducts produced from aggregate recycling. Because of their
properties, they cannot be directly recycled for use in concrete manufacturing, which is …

Development of aerated concrete waste/white cement composite for phosphate adsorption from aqueous solutions: Characterization and modeling studies

DC Kuhn, LL Cabral, IC Pereira, AJ Gonçalves… - … and Processing-Process …, 2023 - Elsevier
Abstract Adsorbing phosphate (PO 4− 3) from aqueous solutions onto concrete-based
construction waste represents a low-cost, nontoxic, and sustainable technique. The novelty …

[HTML][HTML] Performance of biochar mixed cement paste for removal of Cu, Pb and Zn from stormwater

P Wijeyawardana, N Nanayakkara, D Law… - Environmental …, 2023 - Elsevier
Using biochar as a partial replacement of Portland cement in cementitious materials is a
promising solution to mitigate negative environmental impacts. However, current studies in …

Biochar admixture cement mortar fines for adsorptive removal of heavy metals in single and multimetal solution: Insights into the sorption mechanisms and …

S Praneeth, A Zameer, N Zhang, BK Dubey… - Science of the Total …, 2022 - Elsevier
The combined action of biochar and CSH (calcium-silicate-hydrate) in the cement mortars as
adsorbents was explored for treating heavy metals from water. The biochar admixture …

Biodegradation and sorption of nutrients and endocrine disruptors in a novel concrete-based substrate in vertical-flow constructed wetlands

L de Carvalho Silva, JKB Bernardelli… - Chemosphere, 2024 - Elsevier
Removing phosphorus and endocrine-disruptors (EDC) is still challenging for low-cost
sewage treatment systems. This study investigated the efficiency of three vertical-flow …

Use of thermally modified waste concrete powder for removal of Pb (II) from wastewater: Effects and mechanism

Z Ma, R Xue, J Li, Y Zhao, Q Xue, Z Chen, Q Wang… - Environmental …, 2021 - Elsevier
Exploring effective uses of waste concrete powder (WCP), produced from recycling of
construction & demolition waste is beneficial to the environment and sustainable …

Municipal Wastewater pretreatment using porous concrete containing fine-grained mineral adsorbents

E Teymouri, SF Mousavi, H Karami, S Farzin… - Journal of Water …, 2020 - Elsevier
Municipal and industrial wastewaters are serious threats for surface water and groundwater
resources, and this threat can be converted to an opportunity by enhancing their quality …

Use of natural zeolite and its mixtures to refine high-concentrated heavy metal-contaminated wastewater: an investigation of simultaneous removal of Cd (II) and Pb (II) …

GMP Kumara, K Kawamoto - Water, Air, & Soil Pollution, 2021 - Springer
This study investigated the simultaneous removal of Cd 2+ and Pb 2+ from wastewater using
commercially available Japanese zeolite (JPZ) and its mixtures. A series of batch adsorption …