coal-based activated carbon Articles

  • Activated Carbon

    Activated carbon, also called activated charcoal or activated coal is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface ...


    By IWA Publishing

  • What is Activated Carbon?

    Adsorption with activated carbon can apply. The more awareness people have of the Earth, the more applications activated carbons will have. is thus a commonly seen process in applications such as gas masks, space capsules, nuclear plants and so forth, in which the removal of gases is highly needed. ...


    By Cocarb

  • Activated Carbon for Precious Metals Recovery

    Untitled Document Summary: Guidelines are presented for the selection, handling and regeneration of activated carbon used in gold recovery operations. The guidelines are based ...


    By Calgon Carbon Corporation

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • A Critical Evaluation of the South African Air Quality Offsets Guideline

    There is wide recognition in South Africa to the link between the quality of life and quality of the air we breathe. The Department of Environmental Affairs (DEA) attempts to improve air quality through two key regulatory tools; emission limits, which regulate the maximum concentration of certain pollutants permissible within certain, ‘listed’ industrial stacks or vents, and ambient ...


    By WKC Group

  • Adsorption isotherms and kinetics of activated carbons produced from coals of different ranks

    Activated carbons (ACs) from six coals, ranging from low-rank lignite brown coal to high-rank stone coal, were utilized as adsorbents to remove basic methylene blue (MB) from an aqueous solution. The surface properties of the obtained ACs were characterized via thermal analysis, N2 isothermal sorption, scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron ...


    By IWA Publishing

  • Fluoride sorption using morringa indica –based activated carbon

    Fluoride is an important micro nutrient for the production and maintenance of healthy bones and teeth. Although a certain amount of fluoride gives good protection against dental decay, excess intake of fluoride ions cause dental fluorosis. When the concentration of fluoride is more than 4 mg/L it causes softening of bones, ossification of tendons and ligaments and neurological damage in severe ...


    By University of Tehran

  • Sorption of DOM and hydrophobic organic compounds onto sewage-based activated carbon

    Treatment of stormwater via sorption has the potential to remove both colloidal and dissolved pollutants. Previous research shows that activated carbon produced from sewage sludge is very efficient in sorbing hydrophobic organic compounds (HOCs), frequently detected in stormwater. The aim of this research was to determine whether the presence of dissolved organic matter (DOM) has a negative ...


    By IWA Publishing

  • Activated Carbon Applications Excel at PCB Removal

    TIGG’s GAC adsorption equipment is used to remove PCBs from groundwater. For more than 50 years, polychlorinated biphenyls (PCBs) were commonly used in industrial materials including, caulking, cutting oils, inks, paints and as dielectric fluids in electrical equipment such as transformers and capacitors. Concerns over health effects led to a North American ban of ...


    By TIGG, LLC

  • Adsorption characteristics of Bisphenol-A on tailored activated carbon in aqueous solutions

    The adsorption behavior of pharmaceuticals and personal care product, Bisphenol-A (BPA), according to four coal-based and four wood-based granular activated carbons modified using outgassing treatment, acidic treatment or alkaline treatment was studied. The adsorption isotherm results indicated that carbon surface acidity played a very important role in the adsorption of BPA. It was found that ...


    By IWA Publishing

  • Enhanced removal of Cr (VI) from aqueous solution by mesoporous activated carbons

    The capability of mesoporous activated carbons (MACs) to adsorb Cr (VI) in aqueous solution was investigated. The MACs were prepared in the lab from upgraded coal tar pitch using the nano–sized imprinting method. Adsorption of Cr (VI) was found to be dependent on the solution pH. The adsorption kinetic data was found to fit well with a pseudo–second–order rate equation. Three adsorption isotherm ...


    By Inderscience Publishers

  • Odor removal by powdered activated carbon (PAC) in low turbidity drinking water

    The potential of powdered activated carbon (PAC) adsorption for odor removal in low turbidity drinking water was investigated. The batch experiments were conducted under various conditions including PAC species, dosage, contact time and dosing point. The effects of pre-chlorination and PAC dosage on turbidity were also studied. Results showed that adsorption was quite vulnerable to initial ...


    By IWA Publishing

  • TIGG Activated Carbon Box Adsorbers Contain VOCs at MGP Site

    Tasked with the excavation, removal and solidification of soil containing coal-tar by-products generated by a former manufactured gas plant in New York, an experienced environmental remediation firm decided to use a method that proved successful in previous projects. TIGG activated carbon box adsorbers were used to contain VOCs at the former MGP site undergoing environmental remediation. By ...


    By TIGG, LLC

  • Carbon emissions - carbon formula

    Carbon emissions represent an increasing and potentially significant cost for business.  The case that carbon measurement and reporting systems can help organisations make significant reductions ...


    By Greenstone

  • Simulating the uncertain effect of active carbon capping of a dioxin polluted Norwegian fjord

    Process‐based multimedia models are frequently utilized to simulate the long‐term impacts of pollutants and to evaluate potential remediation actions that can be put in place to improve or manage polluted marine environments. Many such models are detailed enough to encapsulate the different scales and processes relevant for various contaminants, yet still are tractable enough for analysis ...


    By John Wiley & Sons, Ltd.

  • Characterisation of activated carbon prepared from tamarind wood for wastewater treatment

    In this paper, an attempt has been made to produce activated carbon from tamarind wood, which is a forest waste, rich in lignocellulosic material. The characterisation of the activated carbon is done based on carbonisation time, temperature, pore volume and Brunauer, Emmett and Teller (BET) surface area under various operating conditions. The Scanning Electron Microscopy (SEM) analysis is also ...


    By Inderscience Publishers

  • Quantitative structure property relationships for the adsorption of pharmaceuticals onto activated carbon

    Isotherms were determined for the adsorption of five pharmaceutical residues, primidone, carbamazepine, ibuprofen, naproxen and diclofenac, to Calgon Filtrasorb 300 powdered activated carbon (PAC). The sorption behavior was examined in ultra-pure and wastewater effluent organic matter (EfOM) matrices, where more sorption was observed in the ultra-pure water for PAC doses greater than 10 mg/L ...


    By IWA Publishing

  • RO brine treatment and recovery by biological activated carbon and capacitive deionization process

    The generation of brine solutions from dense membrane (reverse osmosis, RO or nanofiltration, NF) water reclamation systems has been increasing worldwide, and the lack of cost effective disposal options is becoming a critical water resources management issue. In Singapore, NEWater is the product of a multiple barrier water reclamation process from secondary treated domestic effluent using ...


    By IWA Publishing

  • Comparative evaluation of commercial and sewage sludge based activated carbons for the removal of textile dyes from aqueous solutions

    Almost every industry uses coloring matter to color their products and the residual and unspent substances are discharged in to the environment, particularly aquatic environment. Discharge of such colored effluents imparts color to the receiving water and interferes with its intended beneficial use. In addition, recent reports suggest that several color-causing substances are micro toxic to the ...


    By University of Tehran

  • Adsorption of methylene blue dye onto activated carbons based on agricultural by-products: equilibrium and kinetic studies

    Mixtures of novolac resin and olive stone biomass (20/80 and 40/60 w/w) were cured, pyrolyzed up to 1,000 °C and activated with CO2 under a continuous flow operation (named N20B-cCa and N40B-cCa respectively). Commercial activated charcoal was similarly re-activated with CO2 and used for comparison reasons (AC-a). The characterization of these materials was performed by Fourier ...


    By IWA Publishing

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