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Author: Saeid Niknaddaf Publisher: ISBN: Category : Adsorption Languages : en Pages : 87
Book Description
Adsorption is the most common method for controlling volatile organic compounds (VOCs) emission from automotive painting process. However, unwanted accumulation of adsorbate during cycling (heel buildup) is a common challenge in this process. The objective of this research is to identify the impact of regeneration conditions such as temperature, heating rate and purge flow rate on heel buildup and adsorption capacity. For this purpose, five cycle adsorption/regeneration experiments using 1,2,4-trimethylbenzene (TMB) on activated carbon fiber cloth (ACFC) were completed using resistive heating. Increasing temperature from 288 to 400°C worsened adsorbent performance, as indicated by smaller adsorption capacity and larger heel buildup. Decreasing heating rate from 100 to 5°C/min and increasing flow rate from 5 to 0.1 SLPM decreased heel buildup (by 56% and 90%, respectively) and capacity loss (by 85% and 97%, respectively). These observations are the result of carbon deposition due to thermal degradation of TMB during regeneration which is the impact of rapid adsorbent heating rates. The results of this work will help to optimize regeneration condition to allow fast desorption with minimal adsorbate decomposition.
Author: Saeid Niknaddaf Publisher: ISBN: Category : Adsorption Languages : en Pages : 87
Book Description
Adsorption is the most common method for controlling volatile organic compounds (VOCs) emission from automotive painting process. However, unwanted accumulation of adsorbate during cycling (heel buildup) is a common challenge in this process. The objective of this research is to identify the impact of regeneration conditions such as temperature, heating rate and purge flow rate on heel buildup and adsorption capacity. For this purpose, five cycle adsorption/regeneration experiments using 1,2,4-trimethylbenzene (TMB) on activated carbon fiber cloth (ACFC) were completed using resistive heating. Increasing temperature from 288 to 400°C worsened adsorbent performance, as indicated by smaller adsorption capacity and larger heel buildup. Decreasing heating rate from 100 to 5°C/min and increasing flow rate from 5 to 0.1 SLPM decreased heel buildup (by 56% and 90%, respectively) and capacity loss (by 85% and 97%, respectively). These observations are the result of carbon deposition due to thermal degradation of TMB during regeneration which is the impact of rapid adsorbent heating rates. The results of this work will help to optimize regeneration condition to allow fast desorption with minimal adsorbate decomposition.
Author: Roop Chand Bansal Publisher: CRC Press ISBN: 1420028812 Category : Science Languages : en Pages : 498
Book Description
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
Author: Janusz Pawliszyn Publisher: Elsevier ISBN: 0123914493 Category : Science Languages : en Pages : 497
Book Description
The relatively new technique of solid phase microextraction (SPME) is an important tool to prepare samples both in the lab and on-site. SPME is a "green" technology because it eliminates organic solvents from analytical laboratory and can be used in environmental, food and fragrance, and forensic and drug analysis. This handbook offers a thorough background of the theory and practical implementation of SPME. SPME protocols are presented outlining each stage of the method and providing useful tips and potential pitfalls. In addition, devices and fiber coatings, automated SPME systems, SPME method development, and In Vivo applications are discussed. This handbook is essential for its discussion of the latest SPME developments as well as its in depth information on the history, theory, and practical application of the method. Practical application of Solid Phase Microextraction methods including detailed steps Provides history of extraction methods to better understand the process Suitable for all levels, from beginning student to experienced practitioner
Author: Luigi Manfrè Publisher: Springer Nature ISBN: 3030037150 Category : Medical Languages : en Pages : 332
Book Description
This easy-to-consult guide examines the most advanced techniques in the radiological evaluation of the disc and degenerative disc disease, using conventional, functional, dynamic and advanced imaging. It provides clear information on a range of CT, X-ray, and MRI guided techniques, presents all disc treatments in connection with symptomatic disc herniations, evaluates conservative, chemical (ESI, steroid, Ozone, ethanol gel injections) and physical treatments (coblation, laser, decompressors, endoscopy), and assesses the possibility of repairing and/or regenerating the disc in the context of reversible disc degeneration. Like other books in the Springer series New Procedures in Spinal Interventional Neuroradiology, this practice-oriented volume will fill a significant gap in the literature and meet the need expressed by many specialists (interventional neuroradiologists and radiologists, neurosurgeons, and orthopedists) for a topical and handy guide that specifically illustrates the currently available materials and methods.
Author: Charles Vincent Publisher: Springer Science & Business Media ISBN: 3662045842 Category : Technology & Engineering Languages : en Pages : 322
Book Description
Jointly published with INRA, Paris. Pesticide resistance is becoming more frequent and widespread with more than 500 insect species known to have become resistant to synthetic insecticides. On the other hand, consumers increasingly demand agricultural products without any pesticide residues. This book, for the first time, shows the alternative: solely physical methods for plant protection by means of thermal, electromagnetic, mechanical and vacuum processes. A glossary rounds up this extremely valuable book.
Author: Ehab Farag Publisher: Cambridge University Press ISBN: 1107005310 Category : Medical Languages : en Pages : 477
Book Description
A comprehensive guide to anesthesia specifically for spine surgery, explaining procedures from the point of view of both anesthesiologists and surgeons.
Author: Nisar Ahmad Chowdri Publisher: Springer ISBN: 8132225899 Category : Medical Languages : en Pages : 226
Book Description
Management of benign anorectal disorders is challenging for the treating surgeons as the patients are highly distressed, the symptoms are always alarming, and surgical intervention may be associated with lifelong disabilities such as loss of sphincter control. Written by highly experienced colorectal surgeons, this book provides detailed notes on optimal management of these disorders including pre- and post-operative management. Chapters cover the entire range of benign disorders such as hemorrhoids, fissure, fistula-in-ano, anorectal injuries, anal incontinence, rectal prolapse, pelvic floor disorders, benign tumors and ulcers, and strictures. Chapters on surgical anatomy and physiology equip the surgeons with the information necessary to understand the complex anatomy and functioning of this region which makes surgery all the more difficult. Benign Anorectal Disorders is an essential reading for colorectal surgeons, general surgeons, fellows-in-training and the post-graduate students.
Author: Saeid Niknaddaf
Author: Saeid Niknaddaf
Author: Katherine D. Dombrowski
Author: Patrick D. Sullivan
Author: Roop Chand Bansal
Author: J. C. Vickerman
Author: Janusz Pawliszyn
Author: Luigi Manfrè
Author: Charles Vincent
Author: Ehab Farag
Author: Nisar Ahmad Chowdri