A green and efficient electrochemical sensor for simultaneous detection of cadmium (Cd) lead (Pb) heavy-metal ions is proposed in this work. For aim, biomass-derived porous carbon (BPC) along with nanoscale zero-valent iron (nZVI) nanoparticles have been used to modify glassy electrodes (GCE). The substrate herein was obtained from abundant marine biomass, Posidonia oceanica. nZVI particles wer...

Abstract Background and aim The use of amendments to immobilize metals in polluted soils is a widely accepted remediation approach, the framework circular economy, produced from mining and/or biomass waste have gained relevance. However, application such can also mobilize metalloids. Here we propose combination nanoscale zero-valent iron nanoparticles (nZVI) with dunite (mining waste) compost f...

Because of its strong pollutant degradation ability, nanoscale zerovalent iron (NZVI) has been introduced to soils and groundwater for remediation purposes, but its impacts on plants are still not very clear. In this work, the effects of low concentration (10-320 μmol/L) NZVI particles on seed germination and growth of peanut plants were evaluated. The exposure of peanut seeds to NZVI at all th...

Fluoroquinolone antibiotics attract increasing attention in the water treatment field because of potential adverse effects on aquatic ecosystems and human health. The graphitic carbon nitride (g-C 3 N 4 ) based photocatalysis has been demonstrated as an economically feasible environmentally benign process to control these persistent contaminants. In this study, a new visible-light-driven reduce...

Nanozero-valent iron (NZVI) shows great potential in the remediation of water pollution, but its application is limited by instability and tendency to aggregate. To enhance dispersibility antioxidant properties NZVI, we prepared composites (SN) wrapping NZVI with sodium alginate (SA) for removal Pb(II) from water. Various characterization methods such as SEM-EDS, BET, XPS, FT-IR were used study...

recently, a variety of soils contaminated with heavy metals e.g. cr (vi), have been found in industrial sites. such soil contamination is widely distributed in the world and has now become a serious issue for environment. hexavalent chromium, cr (vi), which is known to be carcinogenic and mutagenic to living organisms, has been utilized for leather tanning, electroplating and in other industrie...