Treatability Test Of A Stacked Tray Air Stripper For Voc In Water

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Treatability Test of a Stacked-tray Air Stripper for VOC in Water

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Treatability Test of a Stacked-tray Air Stripper for VOC in Water by :

Download or read book Treatability Test of a Stacked-tray Air Stripper for VOC in Water written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A common strategy for hydraulic containment and mass removal at VOC contaminated sites is'pump and treat (P & T)'. In P & T operations, contaminated ground water is pumped from wells, treated above ground, and discharged. Many P & T remediation systems at VOC sites rely on air stripping technology because VOCs are easily transferred to the vapor phase. In stacked-tray air strippers, contaminated water is aerated while it flows down through a series of trays. System operations at LLNL are strictly regulated by the California and federal Environmental Protection Agencies (Cal/EPA and EPA), the Bay Area Air Quality Management District (BAAQMD), the California Regional Water Quality Control Board (RWQCB) and the Department of Toxic Substances Control (DTSC). These agencies set discharge limits, require performance monitoring, and assess penalties for non-compliance. National laboratories are also subject to scrutiny by the public and other government agencies. This extensive oversight makes it necessary to accurately predict field treatment performance at new extraction locations to ensure compliance with all requirements prior to facility activation. This paper presents treatability test results for a stacked- tray air stripper conducted at LLNL and compares them to the vendor's modeling software results.

An Introduction to Air Stripping to Remove VOCs from Water

Author : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4./5 ( download)

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Book Synopsis An Introduction to Air Stripping to Remove VOCs from Water by : J. Paul Guyer, P.E., R.A.

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.

Air Stripping Pilot Study of VOC (Volatile Organic Compounds)-Contaminated Ground Water. Volume 1. General Engineering Aspects

Author : L. J. Bilello
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Air Stripping Pilot Study of VOC (Volatile Organic Compounds)-Contaminated Ground Water. Volume 1. General Engineering Aspects by : L. J. Bilello

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.

Combined Air Stripper

Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Combined Air Stripper by :

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.

Air Stripping for Volatile Organic Contaminant Removal

Author :
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Air Stripping for Volatile Organic Contaminant Removal by :

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:

Proceedings of the 50th Industrial Waste Conference May 8, 9, 10, 1995

Author : Purdue Research Foun
Publisher : CRC Press
ISBN 13 : 9781575040226
Total Pages : 872 pages
Book Rating : 4.0/5 (42 download)

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Book Synopsis Proceedings of the 50th Industrial Waste Conference May 8, 9, 10, 1995 by : Purdue Research Foun

Download or read book Proceedings of the 50th Industrial Waste Conference May 8, 9, 10, 1995 written by Purdue Research Foun and published by CRC Press. This book was released on 1997-05-01 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 50th Industrial Waste Conference is the only comprehensive documentation of the entire seminar. It is an overview of the current state of hazardous waste identification, management and disposal.

Design of Wastewater and Stormwater Pumping Stations

Author : Water Environment Federation. Task Force on Design of Wastewater and Stormwater Pumping Stations
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Design of Wastewater and Stormwater Pumping Stations by : Water Environment Federation. Task Force on Design of Wastewater and Stormwater Pumping Stations

Download or read book Design of Wastewater and Stormwater Pumping Stations written by Water Environment Federation. Task Force on Design of Wastewater and Stormwater Pumping Stations and published by . This book was released on 1993 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assists the practicing engineer in the design of wastewater and stormwater pumping stations. This is for the experienced designer rather than the novice.

Combined Air Stripper/membrane Vapor Separation Systems. [Volatile Organic Compounds].

Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Combined Air Stripper/membrane Vapor Separation Systems. [Volatile Organic Compounds]. by :

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.

Proceedings of the Industrial Waste Conference

Author :
Publisher :
ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Proceedings of the Industrial Waste Conference by :

Download or read book Proceedings of the Industrial Waste Conference written by and published by . This book was released on 1996 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Evaluation of Rotary Air Stripping for Removal of Volatile Organics from Ground Water

Author : Chris Dietrich
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (159 download)

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Book Synopsis An Evaluation of Rotary Air Stripping for Removal of Volatile Organics from Ground Water by : Chris Dietrich

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.

Advanced Physicochemical Treatment Processes

Author : Lawrence K. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1597450294
Total Pages : 697 pages
Book Rating : 4.5/5 (974 download)

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Book Synopsis Advanced Physicochemical Treatment Processes by : Lawrence K. Wang

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.

Technologies for Upgrading Existing Or Designing New Drinking Water Treatment Facilities

Author :
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Technologies for Upgrading Existing Or Designing New Drinking Water Treatment Facilities by :

Download or read book Technologies for Upgrading Existing Or Designing New Drinking Water Treatment Facilities written by and published by . This book was released on 1990 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Inside Story

Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Inside Story by :

Download or read book The Inside Story written by and published by . This book was released on 1993 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

EPA-600/8

Author :
Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis EPA-600/8 by :

Download or read book EPA-600/8 written by and published by . This book was released on 1982 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Practical Design Calculations for Groundwater and Soil Remediation

Author : Jeff Kuo
Publisher : CRC Press
ISBN 13 : 1466585242
Total Pages : 316 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Practical Design Calculations for Groundwater and Soil Remediation by : Jeff Kuo

Download or read book Practical Design Calculations for Groundwater and Soil Remediation written by Jeff Kuo and published by CRC Press. This book was released on 2014-06-02 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes Illustrative Applications of Practical Design CalculationsWritten in a straightforward style and user-friendly format, Practical Design Calculations for Groundwater and Soil Remediation, Second Edition highlights the essential concepts and important aspects of major design calculations used in soil and groundwater remediation. Drawi

Water Treatment Plant Design

Author : American Society of Civil Engineers
Publisher : McGraw-Hill Professional Publishing
ISBN 13 :
Total Pages : 998 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Water Treatment Plant Design by : American Society of Civil Engineers

Download or read book Water Treatment Plant Design written by American Society of Civil Engineers and published by McGraw-Hill Professional Publishing. This book was released on 2005 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt: The industry standard reference for water treatment plant design and modernization has been updated to include hot topics such as security and design, vulnerability assessments, and planning against vandalism and sabotage, as well as the latest information on codes, regulations, and water quality standards. * Latest code updates and new water quality standards * Design operation and analysis of treatment facilities

Environmental Engineering Dictionary and Directory

Author : Thomas M. Pankratz
Publisher : CRC Press
ISBN 13 : 1420032534
Total Pages : 340 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Environmental Engineering Dictionary and Directory by : Thomas M. Pankratz

Download or read book Environmental Engineering Dictionary and Directory written by Thomas M. Pankratz and published by CRC Press. This book was released on 2000-09-22 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like most technical disciplines, environmental science and engineering is becoming increasingly specialized. As industry professionals focus on specific environmental subjects they become less familiar with environmental problems and solutions outside their area of expertise. This situation is compounded by the fact that many environmental science