Search Results - "Hoehn, Robert C."

FPA of selected odorous compounds by Rashash, Diana M.C., Dietrich, Andrea M., Hoehn, Robert C.

“…The odors of 15 organic compounds were evaluated by the flavour profile analysis (FPA) method. The FPA data were well described by the Weber-Fechner law, as…”
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Dechlorination techniques to improve sensory odor testing of geosmin and 2-MIB by WORLEY, JENNIFER L., DIETRICH, ANDREA M., HOEHN, ROBERT C.

“…Chlorine in finished water can mask the more subtle odors of geosmin and 2‐methylisoborneol (2‐MIB), two chemicals that often trigger consumer complaints when…”
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Pages From the Past: Algae as Sources of Trihalomethane Precursors

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ClO₂ and by-product persistence IN A DRINKING WATER SYSTEM by HOEHN, ROBERT C., ELLENBERGER, CHRISTINE S., GALLAGHER, DANIEL L., EURMAN ("TOBY") V. WISEMAN JR, BENNINGER, ROBERT W., ROSENBLATT, AARON

“…This research evaluated a chlorine gas–solid sodium chlorite chlorine dioxide (ClO2) generation system at the Roanoke County (Va.) Spring Hollow Water…”
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Complementary uses of chlorine dioxide and ozone for drinking water treatment by Long, Bruce W., Hulsey, Robert A., Hoehn, Robert C.

“…Application of both chlorine dioxide (ClO 2 ) and ozone (O 3 ) at a single drinking water treatment plant is rare in the United States but not in other…”
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Determination of chlorite and chlorate in chlorinated and chloraminated drinking water by flow injection analysis and ion chromatography by Dietrich, Andrea M, Ledder, Tracey D, Gallagher, Daniel L, Grabeel, Margaret N, Hoehn, Robert C

“…The performance of flow injection analysis (FIA) and ion chromatography (IC) analysis methods for determining the chlorite and chlorate concentrations in…”
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Algae as Sources of Trihalomethane Precursors by Hoehn, Robert C., Barnes, Donald B., Thompson, Barbara C., Randall, Clifford W., Grizzard, Thomas J., Shaffer, Peter T.B.

“…The organic substances most frequently mentioned as precursors of trihalomethanes in public water supplies are the naturally occurring humates found in all…”
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Precursor Size and Organic Halide Formation Rates in Raw and Coagulated Surface Waters by Sinsabaugh, Robert L, Hoehn, Robert C, Knocke, William R, Linkins, Arthur E

“…The size distribution of organic carbon and organic halide precursors was determined for raw and coagulated waters from two Virginia reservoirs. Organic carbon…”
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CLO(2) and by-product persistence in a drinking water system by Hoehn, Robert C, Ellenberger, Christine S, Gallagher, Daniel L, Wiseman, Eurman V

“…The persistence of ClO^sub 2^ through the clarifier and occasionally through the filter (Figure 3) even when doses were <0.5 mg/L is a reflection of the…”
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ClO 2 and by‐product persistence in a Drinking Water System by Hoehn, Robert C., Ellenberger, Christine S., Gallagher, Daniel L., Wiseman, Eurman (“Toby”) V., Benninger, Robert W., Rosenblatt, Aaron

“…This research evaluated a chlorine gas–solid sodium chlorite chlorine dioxide (ClO 2 ) generation system at the Roanoke County (Va.) Spring Hollow Water…”
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Tastes and Odors Associated With Chlorine Dioxide by Dietrich, Andrea M., Orr, Margaret P., Gallagher, Daniel L., Hoehn, Robert C.

“…A survey was conducted to determine practices and problems associated with the use of chlorine dioxide (ClO₂) by US water utilities. The survey acquired data…”
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Teacher's Weather Sourcebook by Hoehn, Robert C

“…Hoehn reviews "Teacher's Weather Sourcebook" by Tom Konvicka…”
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Using Alternative Oxidants to Remove Dissolved Manganese From Waters Laden With Organics by Knocke, William R., Hoehn, Robert C., Sinsabaugh, Robert L.

“…Water treatment facilities are faced with developing new strategies for removing dissolved manganese while optimizing organics removal to control…”
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Comparative Disinfection Methods by Hoehn, Robert C.

“…Alternatives or supplements to chlorination are examined in the following to identify, compare, and contrast the relative merits and disadvantages of each…”
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Household Odors Associated With the Use of Chlorine Dioxide by Hoehn, Robert C., Dietrich, Andrea M., Farmer, William S., Orr, Margaret P., Lee, Ramon G., Aieta, E. Marco, Wood, Delmer W., Gordon, Gilbert

“…In recent years, reports have indicated that the use of chlorine dioxide (ClO₂) instead of chlorine as a preoxidant during water treatment is somehow related…”
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Effects of Low Temperature on the Removal of Trihalomethane Precursors by Coagulation by Knocke, William R., West, Sara, Hoehn, Robert C.

“…This study showed that the trihalomethane (THM) concentration in finished water that had been treated at 35.6°F (2°C) was significantly lower than in water…”
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Removal of Dissolved Organic Carbon by Coagulation With Iron Sulfate by Sinsabaugh, Robert L., Hoehn, Robert C., Knocke, William R., Linkins, Arthur E.

“…Charge, solubility, and molecular-size characteristics of dissolved organic carbon in raw and treated water from a Virginia reservoir were investigated to…”
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Effects of Storage and Preoxidation on Sludge and Water Quality by Hoehn, Robert C., Novak, John T., Cumbie, William E.

“…Ever since the city of Newport News, Va., eliminated prechlorination at its water treatment facilities in 1982 in order to control trihalomethanes, it has been…”
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Trace element distributions in an antarctic meromictic lake by Weand, Barron L., Hoehn, Robert C., Parker, Bruce C.

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Biologically Induced Variations in the Nature and Removability of THM Precursors by Alum Treatment by Hoehn, Robert C., Dixon, Kevin L., Malone, Jill K., Novak, John T., Randall, Clifford W.

“…A study was conducted to examine whether biological activity in a reservoir, which is partly responsible for seasonal variations in finished water…”
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