Effects of Thermal Regeneration of Activated Carbon Fibers on Adsorption Characteristics for Toluene

Effects of Thermal Regeneration of Activated Carbon Fibers on Adsorption Characteristics for Toluene
Author: Pahola E Salas
Publisher:
Total Pages: 60
Release: 2018
Genre:
ISBN:
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Respiratory protective equipment is recommended as one method to diminish exposure to airborne pollutants, including volatile organic compounds (VOCs). Activated carbon fiber (ACF) has a potential use as an alternative adsorbent in respirators for VOCs. The advantages of ACF as an alternative absorbent include larger surface areas, higher adsorption capacities, thinner critical bed depth, higher number of micropores, faster heat and mass transfer properties, and its fabric form. When its saturation capacity is reached, the adsorbent is no longer effective for removing pollutants. To recover the ability to capture gaseous pollutants, carbon adsorbents typically are regenerated. The ACF's ability to be regenerated makes it a more cost effective, energy efficient and environmentally sustainable option to aid in certain purification processes. The purpose of this study was to investigate the effects of thermal regeneration on the adsorption characteristics of activated carbon fiber (ACF) in respirator cartridges for toluene and also to investigate the extent to which regeneration decreased the ACF's adsorption capacity and breakthrough time (BT). Results showed that the 10% and 50% BTs for the two tested ACF types (ACF 210 and ACF 605) were not significantly different (P = 0.06). However, the differences in 10% and 50% BT between the two toluene concentrations (200 and 500 ppm) were significant (P

Activated Carbon Adsorption

Activated Carbon Adsorption
Author: Roop Chand Bansal
Publisher: CRC Press
Total Pages: 498
Release: 2005-05-24
Genre: Science
ISBN: 1420028812
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High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption

Adsorption by Virgin and Modified Activated Carbon Fibers

Adsorption by Virgin and Modified Activated Carbon Fibers
Author: Zaheer Shaikh
Publisher: LAP Lambert Academic Publishing
Total Pages: 136
Release: 2014-02
Genre:
ISBN: 9783659127151
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The important factors involved in the adsorption of aromatic compounds from aqueous solution by activated carbon, surface chemistry and porosity, were examined in this thesis. This was achieved by systematically investigating the adsorption of benzene, aniline, toluene, nitrobenzene and fluorobenzene by a granular activated carbon and various virgin and surface modified activated carbon fibers. The adsorption of water molecules (water vapor isotherms), the synthetic organic compound (SOC) itself (SOC vapor isotherms), and the SOC in water (i.e. SOC aqueous phase isotherms) on activated carbons were studied side by side.

Handbook of Clean Energy Systems, 6 Volume Set

Handbook of Clean Energy Systems, 6 Volume Set
Author: Jinyue Yan
Publisher: John Wiley & Sons
Total Pages: 4038
Release: 2015-06-22
Genre: Science
ISBN: 1118388585
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The Handbook of Clean Energy Systems brings together an international team of experts to present a comprehensive overview of the latest research, developments and practical applications throughout all areas of clean energy systems. Consolidating information which is currently scattered across a wide variety of literature sources, the handbook covers a broad range of topics in this interdisciplinary research field including both fossil and renewable energy systems. The development of intelligent energy systems for efficient energy processes and mitigation technologies for the reduction of environmental pollutants is explored in depth, and environmental, social and economic impacts are also addressed. Topics covered include: Volume 1 - Renewable Energy: Biomass resources and biofuel production; Bioenergy Utilization; Solar Energy; Wind Energy; Geothermal Energy; Tidal Energy. Volume 2 - Clean Energy Conversion Technologies: Steam/Vapor Power Generation; Gas Turbines Power Generation; Reciprocating Engines; Fuel Cells; Cogeneration and Polygeneration. Volume 3 - Mitigation Technologies: Carbon Capture; Negative Emissions System; Carbon Transportation; Carbon Storage; Emission Mitigation Technologies; Efficiency Improvements and Waste Management; Waste to Energy. Volume 4 - Intelligent Energy Systems: Future Electricity Markets; Diagnostic and Control of Energy Systems; New Electric Transmission Systems; Smart Grid and Modern Electrical Systems; Energy Efficiency of Municipal Energy Systems; Energy Efficiency of Industrial Energy Systems; Consumer Behaviors; Load Control and Management; Electric Car and Hybrid Car; Energy Efficiency Improvement. Volume 5 - Energy Storage: Thermal Energy Storage; Chemical Storage; Mechanical Storage; Electrochemical Storage; Integrated Storage Systems. Volume 6 - Sustainability of Energy Systems: Sustainability Indicators, Evaluation Criteria, and Reporting; Regulation and Policy; Finance and Investment; Emission Trading; Modeling and Analysis of Energy Systems; Energy vs. Development; Low Carbon Economy; Energy Efficiencies and Emission Reduction. Key features: Comprising over 3,500 pages in 6 volumes, HCES presents a comprehensive overview of the latest research, developments and practical applications throughout all areas of clean energy systems, consolidating a wealth of information which is currently scattered across a wide variety of literature sources. In addition to renewable energy systems, HCES also covers processes for the efficient and clean conversion of traditional fuels such as coal, oil and gas, energy storage systems, mitigation technologies for the reduction of environmental pollutants, and the development of intelligent energy systems. Environmental, social and economic impacts of energy systems are also addressed in depth. Published in full colour throughout. Fully indexed with cross referencing within and between all six volumes. Edited by leading researchers from academia and industry who are internationally renowned and active in their respective fields. Published in print and online. The online version is a single publication (i.e. no updates), available for one-time purchase or through annual subscription.