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Showing 1 to 14 of 14 for “"Activated carbon fiber"”.
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Organic Vapor Recovery Using Activated Carbon Fiber Cloth and Electrothermal Desorption
… technology integrates the unique properties of Activated Carbon Fiber Cloth (ACFC), a high-performance micro-engineered adsorbent, with rapid in-situ Electrothermal Desorption (ED). ED regenerates the adsorbent by efficient electrical resistance heating. A unique aspect of this technology is …
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Synthesis of anion exchange/activated carbon fiber hybrid materials for aqueous adsorption of toxic hexavalent chromium
… selective removal of Cr(VI), a unique hybrid activated carbon/anion exchange system (HACAX) has been developed for the first time in our group. HACAX was synthesized by methylation of PAN based Chemically Activated Carbon Fibers. The HACAX was characterized by BET, SEM, XPS,TGA and elemental …
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Adsorption Thermodynamics and Mass Transfer of Toxic Volatile Organic Compounds in Activated -Carbon Fiber -Cloth for Air Pollution Control
… and transient behavior of TVOC adsorption in activated-carbon fiber-cloth were modeled. Experiments included steady-state and transient adsorption of acetone, as a surrogate for TVOCs, at select temperatures and partial pressures. The Dubinin-Astakhov model was modified to provide the …
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Development of a Multi-Probe Kelvin Scanner Device for Industrially-Relevant Characterization of Surface-Activated Carbon Fiber Reinforced Thermoplastic Composites
<p>Carbon fiber reinforced thermoplastic (CFRTP) composites are becoming increasingly attractive materials in manufacturing due to their lightweight nature, mechanical strength, and corrosion resistance. Surface activation of these materials is usually required during processing to increase the …
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Carbon nanotube electrodes for capacitive deionization
… voltage is applied across high surface area carbon, adsorbing salt ions and removing them from the water stream. CDI has the potential to be more efficient than existing desalination technologies for brackish water, and more portable due to its low power requirements. In order to optimize …
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Synthesis and Characterization of Novel Adsorbent Fibers
… the unique properties of commercially available activated carbon fibers (ACFs) were used as a foundation. In the first system, sulfonated pyropolymeric fibers derived from phenol-formaldehyde resins serve as cationic exchangers. This system was characterized through elemental analysis (EA), …
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Fabrication and Evaluation of Specialty Nonwoven Materials
… acoustic absorption and insulation using natural fiber nonwovens via carbonization and activation. Evaluation of these textile materials includes tensile strength, thermogravimetric analysis, sound absorption and transmission loss, scanning electronic microscopy and surface properties. …
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Surface chemistry design and characterization of anion exchange and activated carbon fibers for critical contaminants removal
… contaminants. The first project is to study activated carbon fiber composites (ACFCs) for removal of NH3 from air. Three series of materials were synthesized and modified, namely Polyvinyl alcohol (PVA) based Chemically Activated Carbon Fibers (CAFs) with optimized activation temperatures, …
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Generation and biological collection efficiency of MS2 bioaerosol for the evaluation of aerosol filtration devices
… efficiency of an electrothermally regenerated activated carbon fiber cloth (ACFC) filter. MS2 bacteriophage was used as a model virus. Three tasks were conducted. The first task involved the development of a modified Liquid Sparging Aerosolizer (LSA) generator, which was fabricated to produce a …
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Monitoring and control of electrothermal swing adsorption based on electrical properties of the adsorbent
… swing adsorption (ESA) system that uses activated carbon fiber cloth (ACFC) to selectively remove vapors/gases from gas streams and electrothermal heating to regenerate the ACFC was previously developed. This system concentrates a vapor/gas to > 50 % by volume allowing for condensation …
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Understanding and enhancing multi-pollutant control using carbon-based materials
… of research and industrial use have solidified carbon as one of the most versatile materials available. In the environmental arena, carbon is used as an adsorbent for air and water applications. Recent studies, however, highlight its use as a catalyst support or direct catalyst. Exploiting this …
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Capture and recovery of organic gases with electrothermal swing adsorption and post-desorption treatment
… that emit organic gases to the atmosphere. Activated carbon fiber cloth (ACFC) with electrothermal swing adsorption (ACFC-ESA) has been shown to be an effective means of capturing and recovering organic vapors (Tb > 50°C). However, additional gas treatment needs to be coupled downstream of …
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Experimental and numerical evaluation of electrothermal–swing adsorption for capture and recovery or destruction of organic vapors
… An automated bench-scale adsorption device using activated carbon fiber cloth (ACFC) was designed and built to study effects of select independent engineering parameters on the ability of the system to capture and recover an organic vapor (e.g., methyl ethyl ketone, MEK) from air streams. Factors …