Challenges, advances and sustainabilities on the removal and recovery of manganese from wastewater: A review

K Nkele, L Mpenyana-Monyatsi, V Masindi - Journal of cleaner production, 2022 - Elsevier
Wastewater matrices rich in manganese triggers severe and disastrous ecological
impairments to different spheres of the receiving environment. This is attributed to the …

A review of treatment technologies for acid mine drainage and sustainability assessment

Y Yang, B Li, T Li, P Liu, B Zhang, L Che - Journal of Water Process …, 2023 - Elsevier
Acid mine drainage (AMD) is a pollutant with strong acidity and high concentration of metals,
metalloids, and sulfates caused by industrial activities, which is extremely harmful to the …

[HTML][HTML] Circular economy models in industry: Developing a conceptual framework

O Marinina, N Kirsanova, M Nevskaya - Energies, 2022 - mdpi.com
One of the trends in sustainable economic development is the transition to circular business
models, which aim to optimize goods and material flows by taking into account their cyclical …

[HTML][HTML] Various options for mining and metallurgical waste in the circular economy: A review

TP Makhathini, JK Bwapwa, S Mtsweni - Sustainability, 2023 - mdpi.com
In the last few years, the mining and metallurgy industry has made concerted efforts to
improve waste management through a byproduct recovery strategy, mainly focusing on …

Recovery of phosphate from municipal wastewater as calcium phosphate and its subsequent application for the treatment of acid mine drainage

C Nepfumbada, NT Tavengwa, V Masindi… - Resources …, 2023 - Elsevier
Here, the co-managment of municipal wastewater (MWW) and acid mine drainage (AMD) is
proposed, where the recovered low-value phosphorus from MWW is used for the treatment …

Process and mechanism of recovering layered double hydroxides (LDHs) from acid mine drainage (AMD) and synergetic removal of manganese

Q Xu, Z Yue, R Deng, X Wang, X Chuai, K Zhang… - Journal of …, 2023 - Elsevier
The neutralization-precipitation method is widely used for treating acid mine drainage
(AMD). However, the accumulation of sludge and the requirement for a high pH for the …

Effective removal of ammonia from aqueous solution through struvite synthesis and breakpoint chlorination: Insights into the synergistic effects of the hybrid system

ME Mugwili, FB Waanders, V Masindi… - Journal of environmental …, 2023 - Elsevier
The ever-growing contamination of surface water due to various catchment activities poses
threats and stress to downstream water treatment entities. Specifically, the presence of …

One-step simultaneous biomass synthesis of iron nanoparticles using tea extracts for the removal of metal (loid) s in acid mine drainage

Z Pan, R Xie, Z Chen - Chemosphere, 2023 - Elsevier
Abstract Acid Mine Drainage (AMD) contains various metal/metalloid ions such as Fe, Cu,
and As, which all impact seriously on mine ecosystems. Currently, the commonly used …

Pine cone derived polyethersulfone/biochar-Fe3O4 mixed matrix membranes for removal of arsenic from acid mine drainage

KE Mokubung, NN Gumbi, WJ Lau… - … Research and Design, 2024 - Elsevier
In this study novel type of mixed matrix membranes (MMMs) were prepared through phase
inversion. This fabricated MMMs were impregnated with biochar (BC) and biochar-Fe 3 O 4 …

Passive co-treatment of phosphorus-depleted municipal wastewater with acid mine drainage: Towards sustainable wastewater management systems

V Masindi, A Shabalala, S Foteinis - Journal of Environmental …, 2022 - Elsevier
Industrial processes typically produce large wastewater volumes, which, if left untreated,
greatly affect receiving ecosystems. However, wastewater treatment can be costly and …