Furfural is as one of the major environmental pollutants in different industrial effluents such refinery and petrochemical, paper, cardboard oil refining. This toxic chemical irritant causes allergy for skin, eyes mucous membranes. study was developed to investigate efficiency a three-dimensional electrochemical process presence granular activated carbon magnetized with Fe3O4 (Fe3O4@GAC) particle electrodes removal furfural from aqueous solution. The structural morphological featured were...

Abstract Diazinon (DZN) has been reported as an important pesticide with wide application in agriculture. The entry of these compounds into water resources brought serious environmental problems due to their resistance biodegradation; thus, this study was considered be done explore the process DZN uptake and influence effective parameters. performed experimentally on a laboratory scale. Investigating structure morphology nanocomposite based different analyses, i.e., FE-SEM, FTIR, XRD....

Drainage of untreated wastewater from the textile industry due to use toxic compounds in it causes pollution aquatic environments and major environmental health problems. Therefore, aim present study is compare performance activated carbon coated with AC-ZnO composite as an adsorbent remove AB-113 aqueous solution. The experimental-laboratory which effect independent parameters has been investigated. FTIR XRD analyzes were performed determine composition composite. Isothermal kinetic...

Dyes considered as a main environmental pollutant are present in various effluents released from different industries like textiles.Dyes cause problems such reduced light penetration, allergies, and cancer when they entered into the environment.The purpose of this study was to compare efficiency activated carbon coated with zinc oxide (ZnO) nanoparticles prepared by walnut shell removing two dyes aqueous environments.The used floating method prepare AC-ZnO composite.The composite structure...

Huge quantities of different dyes are generated by various industries such as cosmetic, leather, printing and textile food. This study aimed to generate apply tire-derived activated carbon magnetised with the Fe3O4 nanoparticles (MAC) for removal reactive blue 19 (RB19) dye from aquatic solutions. FE-SEM, VSM, XRD, FTIR BET analyses were used determine MAC properties. Under optimal conditions pH 3, initial concentration 100 mg/L, composite dose 1 g/L reaction time 45 min, efficiency RB19 was...

Abstract This article was aimed at investigating the removal of metronidazole (MNZ) from aquatic solutions by modified activated carbon (MAC) with amine groups. The effect various parameters on adsorption rate such as initial pH, adsorbent dose and concentration MNZ contact time were scrutinized. MAC characterized Fourier transform infrared spectroscopy Brunauer–Emmett–Teller techniques. obtained results illustrated that under optimum conditions (pH = 3, 50 min, 5 mg/L 0.5 g/L), maximum...

Abstract High concentrations of reactive dyes in receiving waters pose a danger to the ecosystem due unique properties such as high alkalinity and strong structural stability, which distinguish them from other dyes. This study aims investigate efficiency sono‐catalytic process combined with activated carbon/Fe 3 O 4 persulfate (PS/US/AC‐Fe ) removing blue 19 dye (RB 19) aqueous solutions well optimize factors influencing removal efficiency. Activated carbon (AC) was prepared worn‐out tires...

Azo dyes can lead to a number of problems in the environment due presence benzene rings their structure.Therefore, removal these pollutants is necessary before being discharged directly into environment.This experimental study aimed evaluate degradation capability Acid Blue 113 (AB113) by ultrasound (US)/H 2 O /Fe 2+ and US/S 8 2-/Fe processes.The effects variables like initial pH, Fe , H S 2-and AB113 concentrations on efficiency were investigated using 20-kHz batch generator.The impact...

In this paper, the degradation of Acid Black 1 (AB1) and Blue 113 (AB113) azo dyes was studied by electro-Fenton process using an iron electrode to generate Fe2+ ions in a batch reactor. order reach maximum efficiency process, effective parameters such as: solution pH, operating time, current density, H2O2, dye concentration were investigated. The experimental data indicated that H2O2 played important role process. results showed decolorization decreased with increasing pH; for instance,...

Antibiotics are used globally and, after use, they enter water sources in different ways. The presence of these compounds the environment has created concerns about toxicity aquatic organisms and emergence antibiotic-resistant bacteria. purpose this study was to remove cefalexin from aqueous solutions by enzymatic oxidation using response surface methodology (RSM). For purpose, batch experiments were performed evaluate effect independent variables, including temperature, pH, contact time,...

Abnormal use of antibiotics and discharging them into the sewage systems bring about serious dangerous harms to environment.The present study aims at feasibility evaluation amoxicillin removal from aqueous solutions by means enzymatic oxidation taking advantage response surface method based on Box-Behnken model.The is a library research.Therefore, experiments are carried out in laboratory for discontinuously evaluating effects independent variables such as temperature, pH, contact time,...

There is an increasing interest in the use of advanced oxidation process to remove antibiotic resistant compounds.The aim this study was optimize ciprofloxacin decomposition US/ PS/nZVI using CCD-RSM.In fixed radiation ultrasound waves with 40 KHz frequency, influence independent parameters such as pH solution, PS, and nZVI concentrations were examined a concentration 50 mg/L all cases.The synergy impact retention time determined after optimization.Nanoparticles zero valent iron synthesized...

The natural organic matter in water resources poses many problems, such as unpleasant taste and colour the water, is one of most important precursors to formation disinfection byproducts (DBPs) during treatment. This study was performed evaluate efficiency activated carbon (AC) coated with nZVI nanoparticles (AC-nZVI) remove humic acid from aqueous solutions. To end this, effect some operational factors including pH, contact time, concentration adsorbent dose studied removal solutions...

To determine the concentration of benzene series (BTEX) compounds, 33 samples were collected from indoor air Ghalyan cafés (GHC), cigarette (CC) and smoking-free (SFC) in Bushehr city, Iran, analyzed using gas-chromatography - flame ionization detector (GC-FID). The results this study indicated that mean±SD values ΣBTEX GHC, CC SFC 19.46 ± 6.07, 11.34 5.21 2.26 0.76 mg/m3, respectively. mean BTEX with fruit-flavored tobacco was significantly higher than those traditional (p < 0.05)....

In the present research, activated carbon (AC) was prepared from worn tire specimens and coated with zinc oxide nanoparticles (ZnO) obtained pomegranate peel extract.The adsorbent (AC-ZnO) characterized by field-emission scanning electron microscopy, Brunauer-Emmett-Teller, X-ray diffraction Fourier-transform infrared spectroscopy analyses.The performance of AC-ZnO investigated to remove Acid Black 1 (AB1) dye aqueous solutions.The results adsorption experiment indicated that removal...