Phenol is one of the most common water pollutants found in industrial effluents. The phenol removal potential of a chemically modified macrofungus Trametes sp., was investigated in a batch system. The effects of particle size, pH, temperature, contact time and biosorbent dosage have been investigated. The optimum conditions for phenol removal were found to be particle size: 150-300 μm, pH: 6.0 ...

Heavy metals from an acid mine drainage (AMD) site were precipitated on the surface of juniper fiber. The modified fiber was tested in labscaled batch and column tests and in the field. Elemental analysis showed that soluble iron species deposited on the fiber act as an inorganic adsorbent for anions. Sorption capacity, determined by fitting results to a Langmuir isotherm model, was 2.18 mg/g o...

We investigated the sorption of pentachlorophenol (PCP) to a surfactant-modified clay and the solubility of PCP as a function of pH and ionic strength. Pentachlorophenol is a hydrophobic ionizable organic compound; therefore, it can exist as either a protonated or adeprotonated species. The objectives of this study were to determine differences in the sorption and solubility of the two species ...

Chrysophyllum albidium seed shell, an abundant, biodegradable and inexpensive natural resource was used as a precursor to bioadsorbent production for the removal of suspended and dissolved particles (SDP) from initially coagulated Brewery Effluent (BRE). Influence of key parameters such as contact time, bioadsorbent dose, pH and temperature were investigated using batch mode. The thermal behavi...

   In this study, cadmium sulfide nanoparticles (CdS NPs) were prepared, characterized and used as a new adsorbent for simultaneous removal of Pb(II) and Cu(II) ions from aqueous solutions. Using a batch adsorption method, the effects of solution pH, contact time, adsorbent dose, and temperature were studied and optimized. Removal efficiencies, higher than 98% were obtained for both the met...

In this study, a new adsorbent, which was synthesized by using SBA-15Santa Barbara Amorphous. modified with 1,5-diphenyl carbazide, employed to extract cadmium (Cd) from aquatic systems. First, the sorbent identified via various characterization techniques, and then response surface methodology approach applied for modeling optimizing adsorption performance of sorbent. Under optimum conditions ...

Activated carbon (ACBS) derived from Balanites aegyptiaca seed shell was employed to remove crystal violet (CV) aqueous medium. The characterization of this ACBS has been conducted using analytical techniques such as SEM and EDS. adsorption parameters investigated were: contact time (5-120 min), temperature (303-333 K) initial concentration (100-500 mg/l). data were interpreted by kinetic, isot...

Reduced graphene oxide-supported nanoscale zero-valent iron (nZVI/rGO) composites were prepared by chemical deposition method and were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Raman spectroscopy, N₂-sorption and X-ray photoelectron spectroscopy (XPS). Operating parameters for the removal process of Pb(II) ions, such as temperature (20-40 °C), pH (3-5), initi...