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Author :
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.0/5 ( download)
Download or read book Air Stripping for Volatile Organic Contaminant Removal written by and published by . This book was released on 1989 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chris Dietrich
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (159 download)
Download or read book An Evaluation of Rotary Air Stripping for Removal of Volatile Organics from Ground Water written by Chris Dietrich and published by . This book was released on 1987 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotary air stripping was researched and developed to remove volatile organic contaminants from groundwater. The Traverse Group, Inc, Ann Arbor MI, was contracted under a joint funding venture by the US Coast Guard and the US Air Force to evaluate feasibility of using rotary air stripping to treat water contaminated with benzene, toluene, xylenes, trichloroethylene, 1,2,dichloroethane, and tetrachloroethylene. A site of groundwater contamination at the US Coast Guard Station, Traverse City MI provided a readily available source of contaminated water for this work. A prototype rotary air stripper (RAS), manufactured specifically for this project, was installed onsite in Traverse City MI. The RAS (consisting of a packed bed 1.7 feet in diameter by 1.2 feet thick) was evaluated over a range of contaminant concentrations (63 to 19,000 ppb), liquid flow rates (50 to 120 gpm), air to water ratios (10:1 to 170:1 vol/vol), and rotor speeds (365 to 875 rpms). The effect of each parameter on removal efficiency was analyzed. Generally, removal efficiencies in excess of 99 percent were achieved for all contaminants (except 1,2-DCE) at an air-to-water ratio and rotor speed of 30:1 vol/vol and 435 rpms, respectively. Keywords: Water treatment, Air stripping, Rotary Air Stripper, Hazardous materials, Rotating packed beds, Acceleration, Mass transfer coefficients, Benzene, Toluene, Xylenes, Fuel contamination, Chlorinated organics.
Author : Hany H. Zaghloul
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (175 download)
Download or read book Economic Evaluation of Air Stripping to Remove Volatile Organic Compounds from Water written by Hany H. Zaghloul and published by . This book was released on 1987 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the results of a study conducted to provide a basis for estimating the costs of installing and using air stripping to remove volatile organic compounds (VOCs) from water. The air stripping technology was found to be a very economical and efficient method for contaminant removal. The technology is simple, relatively inexpensive to install, and has low labor and maintenance requirements. VOC removal rates range from 90 to 99.99 percent. Estimated costs, in terms of percentage of total production costs, were found to be 40 percent for capital costs, 50 percent for operational costs, and 10 percent for maintenance costs, according to literature sources. Results of a survey conducted during this study generally agree with these percentages, except that maintenance costs reported on the survey were lower due to the highly automated nature of new installations.
Author : Won Jang
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (218 download)
Download or read book Cascade Air-stripping System for Removal of Low and Semi-volatile Organic Contaminants written by Won Jang and published by . This book was released on 1989 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Jang
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (212 download)
Download or read book Cascade Air-stripping for Removal of Semi-volatile Organic Contaminants Feasibility Study written by W. Jang and published by . This book was released on 1990 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Jang
Publisher : Amer Water Works Assn
ISBN 13 : 9780898675054
Total Pages : 51 pages
Book Rating : 4.6/5 (75 download)
Download or read book Cascade Air-Stripping System for Removal of Semi-Volatile Organic Contaminants written by W. Jang and published by Amer Water Works Assn. This book was released on 1989-01-01 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. J. Bilello
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (227 download)
Download or read book Air Stripping Pilot Study of VOC (Volatile Organic Compounds)-Contaminated Ground Water. Volume 1. General Engineering Aspects written by L. J. Bilello and published by . This book was released on 1984 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Science and Engineering, Inc. (ESE) performed a series of test runs in a packed column air stripper to determine performance for removal of four volatile contaminants. Test results were used to determine effect of various conditions such as matrix, contaminant concentration, stripper configuration, and temperature on stripper performance for treating ground water at various Department of the Army installations.
Author : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4./5 ( download)
Download or read book An Introduction to Air Stripping to Remove VOCs from Water written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2019-09-08 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil, environmental and mechanical engineers and construction managers interested in removal of volatile organic compounds from water streams using air stripping technology. Here is what is discussed: 1. INTRODUCTION 2. DESCRIPTION OF AIR STRIPPERS 3. DESIGN METHODS 4. TREATABILITY 5. COMPARISON OF AIR STRIPPERS 6. AIR POLLUTION CONTROL REQUIREMENTS 7. FLOODING 8. PROCESS CONTROL 9. ECONOMIC EVALUATION 10. REFERENCES.
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Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (16 download)
Download or read book Combined Air Stripper/membrane Vapor Separation Systems. [Volatile Organic Compounds]. written by and published by . This book was released on 1992 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air stripping is an economical and efficient method of removing dissolved volatile organic compounds (VOCs) from contaminated groundwater. Air strippers, however, produce a vent air stream, which must meet the local air quality limits. If the VOC content exceeds the limits, direct discharge is not possible; therefore, a carbon adsorption VOC capture system is used to treat the vent air. This treatment step adds a cost of at least $50/lb of VOC captured. In this program, a combined air stripper/membrane vapor separation system was constructed and demonstrated in the laboratory. The membrane system captures VOCs from the stripper vent stream at a projected cost of $15/lb VOC for a water VOC content of 5 ppmw, and $75/lb VOC for a water VOC content of 1 ppmw. The VOCs are recovered as a small, concentrated liquid fraction for disposal or solvent recycling. The concept has been demonstrated in experiments with a system capable of handling up to 150,000 gpd of water. The existing demonstration system is available for field tests at a DOE facility or remediation site. Replacement of the current short air stripping tower (effective height 3 m) with a taller tower is recommended to improve VOC removal.
Author : J. Paul Guyer
Publisher :
ISBN 13 : 9781691872329
Total Pages : 30 pages
Book Rating : 4.8/5 (723 download)
Download or read book An Introduction to Air Stripping to Remove VOCs from Water written by J. Paul Guyer and published by . This book was released on 2019-09-08 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil, environmental and mechanical engineers and construction managers interested in removal of volatile organic compounds from water streams using air stripping technology. Here is what is discussed:1. INTRODUCTION2. DESCRIPTION OF AIR STRIPPERS3. DESIGN METHODS4. TREATABILITY5. COMPARISON OF AIR STRIPPERS6. AIR POLLUTION CONTROL REQUIREMENTS7. FLOODING8. PROCESS CONTROL9. ECONOMIC EVALUATION10. REFERENCES.
Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (727 download)
Download or read book Combined Air Stripper written by and published by . This book was released on 1992 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air stripping is an economical and efficient method of removing dissolved volatile organic compounds (VOCs) from contaminated groundwater. Air strippers, however, produce a vent air stream, which must meet the local air quality limits. If the VOC content exceeds the limits, direct discharge is not possible; therefore, a carbon adsorption VOC capture system is used to treat the vent air. This treatment step adds a cost of at least $50/lb of VOC captured. In this program, a combined air stripper/membrane vapor separation system was constructed and demonstrated in the laboratory. The membrane system captures VOCs from the stripper vent stream at a projected cost of $15/lb VOC for a water VOC content of 5 ppmw, and $75/lb VOC for a water VOC content of 1 ppmw. The VOCs are recovered as a small, concentrated liquid fraction for disposal or solvent recycling. The concept has been demonstrated in experiments with a system capable of handling up to 150,000 gpd of water. The existing demonstration system is available for field tests at a DOE facility or remediation site. Replacement of the current short air stripping tower (effective height 3 m) with a taller tower is recommended to improve VOC removal.
Author : Vicky LaShea Harrison
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (438 download)
Download or read book Gas Stripping of Organic Pollutants Using a Shallow-tray Air Stripper and Detoxification by UV-catalyzed Photolysis written by Vicky LaShea Harrison and published by . This book was released on 1997 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determines the feasibility of using a traytype air stripping technology to successfully remove volatile organic compounds such as benzene, toluene, and a range of hydrocarbons from groundwater. Discusses a system to destroy the contaminants by ultraviolet flashlamps once they are transferred into the air.
Author : Lawrence K. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1597450294
Total Pages : 697 pages
Book Rating : 4.5/5 (974 download)
Download or read book Advanced Physicochemical Treatment Processes written by Lawrence K. Wang and published by Springer Science & Business Media. This book was released on 2007-11-10 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past thirty years have witnessed a growing worldwide desire that po- tive actions be taken to restore and protect the environment from the degr- ing effects of all forms of pollution—air, water, soil, and noise. Because pollution is a direct or indirect consequence of waste, the seemingly idealistic demand for “zero discharge” can be construed as an unrealistic demand for zero waste. However, as long as waste continues to exist, we can only attempt to abate the subsequent pollution by converting it to a less noxious form. Three major questions usually arise when a particular type of pollution has been id- tified: (1) How serious is the pollution? (2) Is the technology to abate it ava- able? and (3) Do the costs of abatement justify the degree of abatement achieved? This book is one of the volumes of the Handbook of Environmental Engineering series. The principal intention of this series is to help readers f- mulate answers to the last two questions above. The traditional approach of applying tried-and-true solutions to specific pollution problems has been a major contributing factor to the success of en- ronmental engineering, and has accounted in large measure for the establi- ment of a “methodology of pollution control. ” However, the realization of the ever-increasing complexity and interrelated nature of current environmental problems renders it imperative that intelligent planning of pollution abatement systems be undertaken.
Author : Jim Rawe
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.3/5 (121 download)
Download or read book Air Stripping of Aqueous Solutions written by Jim Rawe and published by . This book was released on 1991 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.F/5 ( download)
Download or read book Volatilization of Organic Trace Contaminants by Air Stripping for Water Reclamation written by and published by . This book was released on 1982 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kai-Ping Hsueh
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (214 download)
Download or read book Air Stripping of Volatile Organic Contaminants Using Rotating Disc Contactor written by Kai-Ping Hsueh and published by . This book was released on 1989 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey L. Fleming
Publisher : Taylor & Francis
ISBN 13 : 9780815511892
Total Pages : 120 pages
Book Rating : 4.5/5 (118 download)
Download or read book Volatilization Technologies for Removing Organics from Water written by Jeffrey L. Fleming and published by Taylor & Francis. This book was released on 1989-01-01 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: "From the Introduction: " The purpose of this guide is to aid in determining whether a particular volatilization technology can successfully remove organic contaminants from water. It describes the performance evaluation of common volatilization technologies and provides an approach for selecting the appropriate technology for a given situation. Data necessary for the evaluation are described and, whenever possible, background data are given for selected hazardous organics. In addition to being useful for equipment selection, it can be used as an educational tool for background data on volatilization technologies or as a decision-making tool for purchasing a mobile technology. The impetus for developing a guide stems from involvement of the Hazardous Waste Engineering Researching Laboratory's Releases Control Branch in technical assistance activities that require assessment of the feasibility and cost of various treatment options. It was recognized that EPA On-Scene Coordinators (OSC) and their technical support personnel are often faced with changing or uncertain conditions that could affect the cost and feasibility of removing volatile substances from water. As conditions change or as some of the uncertainties are resolved, the OSC's technical support personnel are called upon to revise their estimates accordingly. It was recognized that the OSC and their technical support staffs did not have a concise guide on the subject of volatilization technologies and their application to spill cleanup operations. People with some technical training in chemistry and thermodynamics, but limited experience in participating or coordinating cleanup activities at uncontrolled hazardouswaste sites will find the guide useful. (A review of volatilization is provided for thos
