Gold nanoparticles (GNPs) were prepared using four different plant extracts as reducing and
stabilizing agents. The extracts were obtained from the following plants: Salvia officinalis …

Sweet potato peels was used for the removal of Cd (II) from aqueous solutions. The residue
was characterised using SEM, EDX, XRF, N 2 BET, TGA and ATR-FTIR. Sorption of Cd (II) …

A low-cost activated carbon has been produced from agricultural waste using a simple
method. Rice husk, corncob and wheat straw have been used as precursor for synthesis of …

Ash gourd (Benincasa hispida) is a commonly consumed vegetable in the Asian
subcontinent, known to possess a good medicinal value. It has high waste index, 15% of …

Heavy metals make up one of the most important pollutants in industrial wastewater. For
wastewater, adsorbent materials developed from suitable biomass can be effective in …

The current study was designed to investigate the potential of Euphorbia wallichii shoot
extract for reducting Au3+ and stabilizing gold nanoparticles. UV-visible spectra of gold …

In this work, tea waste/CeO 2 bio-composite was synthesized by using tea waste as the
carbon matrix in a simple co-precipitation method and assessed for Cr (VI) remediation from …

Environmental pollution is the major issue of 21st century. The toxic industrial effluents are
crucially damaging aquatic environment, in the form of heavy metals, dyes and acids. The …

Acid mine drainage (AMD) causes severe environmental concerns worldwide due to its high
acidity, toxic metals and sulphate contents. Conventional treatment methods may not be …

The mining of valuable minerals from wastewater streams is attractive as it promotes a
circular economy, wastewater beneficiation, and valorisation. To this end, the current study …