YaBeSH Engineering and Technology Library

    • Journals
    • PaperQuest
    • YSE Standards
    • YaBeSH
    • Login
    View Item 
    •   YE&T Library
    • ASCE
    • Journal of Environmental Engineering
    • View Item
    •   YE&T Library
    • ASCE
    • Journal of Environmental Engineering
    • View Item
    • All Fields
    • Source Title
    • Year
    • Publisher
    • Title
    • Subject
    • Author
    • DOI
    • ISBN
    Advanced Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Archive

    Removal of Nonbiodegradable Chemicals from Mixtures during Granular Activated Carbon Bioregeneration

    Source: Journal of Environmental Engineering:;2005:;Volume ( 131 ):;issue: 002
    Author:
    Andrea R. H. Putz
    ,
    Derek E. Losh
    ,
    Gerald E. Speitel Jr.
    DOI: 10.1061/(ASCE)0733-9372(2005)131:2(196)
    Publisher: American Society of Civil Engineers
    Abstract: The purpose of this research was to better understand the interactions between biodegradable and nonbiodegradable synthetic organic chemicals (SOCs) during bioregeneration of biologically active granular activated carbon (GAC) columns. Continuous-flow GAC bioregeneration experiments were conducted at different empty-bed contact times (EBCTs) using mixtures of a biodegradable (benzene or toluene) and a nonbiodegradable (perchloroethylene or carbon tetrachloride) SOC. The GAC was pre-equilibrated with respect to each combination of SOCs to facilitate the study of bioregeneration. If no dissolved oxygen limitations occurred in the bioregeneration experiments, the effluent biodegradable SOC concentration decreased over time and then remained low, after which the effluent nonbiodegradable SOC concentration also decreased because of the increased availability of adsorption sites on the GAC. Pre- and postexperimental GAC loadings show a marked decrease in the biodegradable SOC loading as well as an increase in the nonbiodegradable SOC loading. Greater degrees of bioregeneration were found for higher SOC equilibrium concentrations and longer EBCTs. Bioregeneration ranged from 28.8 to 45.5% of the initial biodegradable SOC loading after
    • Download: (210.9Kb)
    • Show Full MetaData Hide Full MetaData
    • Get RIS
    • Item Order
    • Go To Publisher
    • Price: 5000 Rial
    • Statistics

      Removal of Nonbiodegradable Chemicals from Mixtures during Granular Activated Carbon Bioregeneration

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/62653
    Collections
    • Journal of Environmental Engineering

    Show full item record

    contributor authorAndrea R. H. Putz
    contributor authorDerek E. Losh
    contributor authorGerald E. Speitel Jr.
    date accessioned2017-05-08T21:47:56Z
    date available2017-05-08T21:47:56Z
    date copyrightFebruary 2005
    date issued2005
    identifier other%28asce%290733-9372%282005%29131%3A2%28196%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/62653
    description abstractThe purpose of this research was to better understand the interactions between biodegradable and nonbiodegradable synthetic organic chemicals (SOCs) during bioregeneration of biologically active granular activated carbon (GAC) columns. Continuous-flow GAC bioregeneration experiments were conducted at different empty-bed contact times (EBCTs) using mixtures of a biodegradable (benzene or toluene) and a nonbiodegradable (perchloroethylene or carbon tetrachloride) SOC. The GAC was pre-equilibrated with respect to each combination of SOCs to facilitate the study of bioregeneration. If no dissolved oxygen limitations occurred in the bioregeneration experiments, the effluent biodegradable SOC concentration decreased over time and then remained low, after which the effluent nonbiodegradable SOC concentration also decreased because of the increased availability of adsorption sites on the GAC. Pre- and postexperimental GAC loadings show a marked decrease in the biodegradable SOC loading as well as an increase in the nonbiodegradable SOC loading. Greater degrees of bioregeneration were found for higher SOC equilibrium concentrations and longer EBCTs. Bioregeneration ranged from 28.8 to 45.5% of the initial biodegradable SOC loading after
    publisherAmerican Society of Civil Engineers
    titleRemoval of Nonbiodegradable Chemicals from Mixtures during Granular Activated Carbon Bioregeneration
    typeJournal Paper
    journal volume131
    journal issue2
    journal titleJournal of Environmental Engineering
    identifier doi10.1061/(ASCE)0733-9372(2005)131:2(196)
    treeJournal of Environmental Engineering:;2005:;Volume ( 131 ):;issue: 002
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian