background: among different pollutants released into the environment, dyes are considered as one of the most dangerous contaminants. in recent years, magnetic nanomaterials have attracted much attention for their dye removal capacity. the aim of this study was to explore the adsorption kinetics of an anionic dye (reactive orange 13 (ro)) by nife2o4 nanoparticles (nife2o4 nps) under various cond...

Cationic dye - basic red 2 (BR2) was removed from aqueous solutions by sulfuric acid activated waste Gossypium hirsutum seeds (WGSAB). The main and interactive effects of five process variables such as, adsorbent dose (1.25 – 5 g/L), initial dye concentration (100–300 mg/L), contact time (1–3 h),  pH (2 – 12) and temperature (20 – 400C) were investigated via  response su...

The adsorption of contaminants plays an important role in the process of their elimination from a polluted environment. This work describes the issue of loading environment with lead Pb(II) and the resulting negative impact it has on plants and living organisms. It also focuses on bentonite as a natural adsorbent and on the adsorption process of Pb(II) ions on the mixture of bentonite and botto...

A green adsorbent derived from Jackfruit leaf powder (JLP) was used to eliminate Acid Yellow 99 (AY 99) dye an aqueous medium in this study. We checked the effect of pH, biomass dosage, and temperature (process parameters) on adsorption potential AY explored using CCD model integrating RSM approach. At a pH 2.5, biosorbent dosage 4 gL-1, 30°C temperature, maximum removal preferred. ANOVA incorp...

Antibiotic pollution has become a serious concern due to the extensive use of antibiotics, their resistance removal, and detrimental effects on aquatic habitats humans. Hence, developing an efficient antibiotic removal process for aqueous solutions vital. Amoxicillin (Amox) is one antibiotics that been efficiently removed from solution using hydroxyapatite nanoparticles (HAP NPs). The current s...

A biological system for the biosynthesis of nanoparticles (NPs) and uptake of copper from wastewater, using dead biomass of Hypocrea lixii was analyzed and described for the first time. The equilibrium and kinetics investigation of the biosorption of copper onto dead, dried and live biomass of fungus were performed as a function of initial metal concentration, pH, temperature, agitation and ino...

The elimination of Reactive Red 120 (RR120) from synthetic solution using biochar generated Ulva prolifera was investigated. process parameters sorbent dose (A), pH (B), initial dye concentration (C), and temperatures (D) were optimized response surface methodology (RSM). To estimate the removal effectiveness with best 27 trails, Box-Behnken method (blocked) utilised. Analysis variance (ANOVA),...

this study investigates the degradation of sodium dodecylbenzenesulfonate (sdbs) in aqueous solution by the fenton-like oxidation process. the effects of different parameters such as concentrations of ferric chloride and hydrogen peroxide, ph and reaction time on the sdbs removal and chemical oxygen demand (cod) reduction were evaluated. response surface methodology (rsm) with central composite...

background and objective: lactobacillus plantarum is one of the probiotics species used in functional food products. these bacteria or their purified bacteriocins are used as biological preservatives in the food industry. the first step in production of an array of probiotic products is optimizing production in fermentors. this study aimed to examine factors affecting the in vitro growth optimi...