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Monday, May 11, 2020 | History

1 edition of Pilot-scale evaluation of photolytic ozonation for trihalomethane precursor removal found in the catalog.

Pilot-scale evaluation of photolytic ozonation for trihalomethane precursor removal

Pilot-scale evaluation of photolytic ozonation for trihalomethane precursor removal

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Published by U.S. Environmental Protection Agency, Municipal Environmental Research Laboratory, Center for Environmental Research Information [distributor] in Cincinnati, OH .
Written in English

    Subjects:
  • Water -- Purification.,
  • Drinking water -- United States -- Contamination.

  • Edition Notes

    StatementWilliam H. Glaze ... [et al.].
    ContributionsGlaze, William., Municipal Environmental Research Laboratory.
    The Physical Object
    Pagination4 p. ;
    ID Numbers
    Open LibraryOL18039721M

    Ozone Reaction Kinetics for Water and Wastewater Systems plans to reexamine the bromate MCL in its 6-year review process So, when using ozone in the treatment of water some care must be taken to eliminate or reduce DBPs as much as possible.   Sulfur removal and comminution of carbonaceous material. DOEpatents. Narain, Nand K.; Ruether, John A.; Smith, Dennis N. Finely divided, clean coal or other carbonaceous material is provided by forming a slurry of coarse coal in aqueous alkali solution and heating the slurry under pressure to above the critical conditions of steam.

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    Human Viruses in Water PERSPECTIVES IN MEDICAL VIROLOGY Volume 17 Series Editors A.J. Zuckerman Royal Free and University College Medical School University College London London, UK I.K. Mushahwar Abbott Laboratories Viral Discovery Group Abbott Park, IL, USA Human Viruses in . Nanotechnology in the Environment Industry: Opportunities and Trends Final Report and Bibliography for the Nano-Environmental Cross-Sector Initiative March 4, Ken Schmidt, PhD PChem President, DK3 Scientific Ltd. Stan Backs, MSc PChem President, SynchroComm Inc. Kathy Janzen, BSc PChem Senior Consultant, SynchroComm Inc. Yvon Theriault, PhD PChem PEng President, CHI 3 Consulting Inc. .


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Pilot-scale evaluation of photolytic ozonation for trihalomethane precursor removal Download PDF EPUB FB2

Get this from a library. Pilot-scale evaluation of photolytic ozonation for trihalomethane precursor removal. [William Glaze; Municipal Environmental Research Laboratory.;]. Pilot-Scale Evaluation of Ozone vs. Peroxone for Trihalomethane Formation Article (PDF Available) in Ozone Science and Engineering 30(5) October with Reads How we measure 'reads'.

Moreover, when using a microfiltration (MF) system, the THM precursor removal was poor compared to that of UF, as Khan et al. achieved only 5% TOC removal.

Recently, another study reported using a combination of superhydrophilic and superhydrophobic nanofiltration membranes to remove NOM and DOC, and the removal of both THM precursors reached Cited by: The complete report, entitled "Pilot Scale Evaluation of Biological Activated Carbon for the Removal of THM Precursors," (Order No.

PB ; Cost: $, subject to change) will be available only from: National Technical Information Service Port Royal Road Springfield, VA Telephone: The EPA Project Officer can be. Pilot scale evaluation of photolytic ozonation for trihalomethane precursor removal / (Cincinnati, Ohio: Municipal Environmental Research Laboratory, Office of Research and Development, U.S.

Environmental Protection Agency, []), by William Glaze and Municipal Environmental Research Laboratory (page images at HathiTrust).

Some precursor removal processes such as coagulation, adsorption, and membrane separation remove precursor molecules intact; others such as ozonation transform (partially oxidize) precursor molecules.

The precursor remaining after treatment may be less (or possibly more) reactive in forming DBFs. Pilot scale tests are conducted to study the pre-ozonation effect of the micro-polluted surface water and its influence on the operation and treatment effects of the follow-up filtration units.

The results showed that significant improvement of sand filtration performance was achieved through the use of ozone pretreatment, and the filtration cycle was nearly : Qi Feng Liu, Xin Tao Zhou, Zai Dong Li, Zhi Gang Zhan. The second phase, which is the focus of the current study, evaluated full-scale secondary treatment, full-scale sand filtration, pilot-scale ozone/H 2 O 2, and pilot-scale BAC.

During both phases, ozone was dosed at an ozone to total organic carbon (O 3:TOC) ratio of approximately (5 mg/L), and H 2 O 2 was added at a molar ratio of ( Cited by: (AOP)suchasFenton soxidation,ozonation,UV/H 2 O 2,pho- tocatalysis on TiO 2, or a combination of these technologies and chemical treatment method such as chlorine dioxide.

An overview of the technology used to remove trihalomethane (THM), trihalomethane precursors, and trihalomethane formation potential (THMFP) from water and wastewater Article August with. Comparison of ozone and permanganate as preoxidant on treating eutrophic raw water J.-J.

hen', H.-H. ~eh' & I.-C. ~sen~~ I Department of Environmental Engineering, 2 Department of Biology, National Cheng Kung University, Taiwan. Abstract A pilot-scale study, using ozone and potassium permanganate as preoxidant, was conducted to examine their effects on algae, turbidity, and organic matter.

Pilot Scale Spray Aeration Variables and Experimental Design 33 Preliminary and Final Pilot Scale Spray Apparatus 34 THM Stock and Challenge Solutions 37 Analytical Methods 39 Quality Assurance / Quality Control 39 Laboratory reagent blank (LRB) 40 4.

RESULTS AND DISCUSSION. 43Cited by: 1. mm and hydraulic loading (flow) L/h, simulating the pilot scale process, which will follow. Better regeneration of adsorbent was achieved by the addition of NaOH solution (≈0, N) at pH The recovery of phosphorous accomplished from the outflow of File Size: KB.

A comparative study of two coagulants, aluminum sulfate (Alum) and aluminum chlorohydrate (ACH), used in parallel in a full scale water treatment plant (WTP) in Ohio from October to Decemberwas conducted to determine disinfection by-product (DBP) formation potential removal based on both dissolved organic matter (DOM) and fluorescence-derived by: 2.

Hansen KMS, Zortea R, Piketty A, Vega SR, Andersen HR () Photolytic removal of DBPs by medium pressure UV in swimming pool water.

Sci Total Environ – Google Scholar Health Canada () A national survey of disinfection byproducts in Canadian drinking water (EHD), Environmental Health Directorate, Ottawa, Ontario Google Author: Patrick Drogui, Rimeh Daghrir.

Both low- and medium-pressure Hg lamps (LP and MP, respectively) were used as ultraviolet light (UV) sources to destroy N-nitrosodimethylamine in a synthetic “natural” water. The lamp performances were directly compared via the UV fluence-based rate constants, which demonstrates that LP and MP have virtually identical photonic efficiencies (fluence-based rate constants of E-3 and E.

Lee C, Choi W, Yoon J () UV photolytic mechanism of N-nitrosodimethylamine in water: roles of dissolved oxygen and solution pH. Environ Sci Technol – doi: /esj CrossRef Google ScholarCited by: 2.

precursor affected the removals of NDMA and THMs precursors with the ion exchange even in the absence of main ozonation prior to the filtration.

BAC was able to reduce the NDMA FP by more than 85%, which is better than ozonation alone (66%), in full and pilot-scale biofilters treating the effluent from a municipal WWTP (Farré et al., bAuthor: Wilson Beita Sandi. EVALUATION OF THE BACTERIAL INACTIVATION CAPACITY IN WATER OF A NEW COMMERCIAL NANO‐TIO2 SUSPENSION P.

Valero, J. Torres, M.P. Ormad, R. Mosteo, J.L. Ovelleiro ENVIRONMENTAL APPLICATION OF WEBER BLUE AGAVE FIBERS IN TEXTILE DYESTUFFS REMOVAL A.A. Peláez Cid, A.R. Cárcamo Gómez, J. Vázquez Bautista, R. Radillo Ruíz OXIDATION. Full text of "Selected water resources abstracts" See other formats.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation.IEEE Workshop on Environmental, Energy, and Structural Monitoring Systems (EESMS) Naples, Italy IEEE Workshop on Environmental, Energy, and Structural Monitoring SystemsCited by: Ngo is currently a Professor of Environmental Engineering and serving as Deputy Director of Centre for Technology in Water and Wastewater, Co-Director of Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney.