Nitrate (NO3−-N) and nitrites (NO2−-N) are common pollutants in various water bodies causing serious threats not only to aquatic, but also animals human beings. In this study, we developed a strategy for efficiently reducing nitrates microbial fuel cells (MFCs) powered by granular activated carbon (GAC)-biocathode. GAC was acclimatizing enriching denitrifying bacteria under redox potential (0.3...

Granular wood-derived biochar (BC) was compared to granular activated carbon (GAC) for the treatment and nutrient recovery of real wastewater in both batch and column studies. Batch adsorption studies showed that BC material had a greater adsorption capacity at the high initial concentrations of total chemical oxygen demand (COD-T) (1200 mg L(-1)), PO4 (18 mg L(-1)), and NH4 (50 mg L(-1)) compa...

Determining the degree of reducing power multi-walled carbon nanotubes (MWCNTs) and granular activated (GAC) enables their effective application in various fields. In this study, we estimate (CNTs) GAC by measuring reduction compounds with different potentials. MWCNTs materials can reduce Cr(VI), Fe(III) PMo12O403−, where potentials range from +1.33 V to +0.65 V. However, no reduced forms PW12O...

The effects of biologically active carbon (BAC) filtration on haloacetic acid (HAA) levels in plant effluents and distribution systems were investigated using the United States Environmental Protection Agency’s Information Collection Rule (ICR) database. The results showed that average HAA5 concentrations in all locations were 20.4 μg$L and 29.6 μg$L in ICR plants with granular activated carbon...

Rapid globalization leads us on the way to industrialization. Pollution of water by organic and inorganic chemicals is of serious environmental concern. Sugar industry is one of the biggest consumer of water, and can also introduce serious pollutant to the environment. Chemical as well as biological treatments to these waste waters are in practice since long. Powdered Activated Carbon (PAC) pre...

• Estimating the expansion of granular activated carbon (GAC) in water is complex. The incipient porosity GAC much higher compared to rigid particles. Combining fluidisation and characterisation experiments enables modelling. modelling complex but possible. Granular filtration an important unit operation drinking treatment. widely used for its adsorption capabilities as a barrier undesired orga...

Arsenic is of concern in water treatment because of its health effects. This research focused on incorporating hydrous ferric oxide (HFO) into granular activated carbon (GAC) for the purpose of arsenic removal. Iron was incorporated into GAC via incipient wetness impregnation and cured at temperatures ranging from 60 to 90 degrees C. X-ray diffractions and arsenic sorption as a function of pH w...

A comparison of adsorption efficiency of the three Granular Activated Carbon (GAC) produced from waste Nigerian Bamboo at different level of activation in a fixed adsorption bed is reported. Bamboo carbonization was done at temperature range of 200-400c and chemically activated at 400c with chloride salt at percentage range of 0-20%. The 0, 10 and 20% level activation were selected for water tr...

Granular activated carbon-based, iron-containing adsorbents (As-GAC) were developed for effective removal of arsenic from drinking water. Granular activated carbon (GAC) was used primarily as a supporting medium for ferric iron that was impregnated by ferrous chloride (FeCl2) treatment, followed by chemical oxidation. Sodium hypochlorite (NaClO) was the most effective oxidant, and carbons produ...

The presence of perfluorooctanoic acid (PFOA) and perfluorooctanesulphonic (PFOS) in crops is an important consideration for food safety. soil organic matter (SOM) content may affect the adsorption potential PFOA PFOS water their subsequent uptake crops. To better understand these dynamics, lettuce were investigated using granular activated carbon (GAC)-treated soils with varying SOM content. G...