Search Results - "Singer, P.C."

Humic Substances as Precursors for Potentially Harmful Disinfection By-Products by Singer, P.C.

“…During the chlorination of drinking water, chlorine reacts with natural organic material to produce disinfection by-products, such as trihalomethanes and…”
Get full text

A pilot-scale evaluation of magnetic ion exchange treatment for removal of natural organic material and inorganic anions by Boyer, Treavor H., Singer, Philip C.

“…The objective of this research was to evaluate a magnetic ion exchange process (MIEX) for the removal of natural organic material (NOM) and bromide on a…”
Get full text

Solubility of Symplesite (Ferrous Arsenate): Implications for Reduced Groundwaters and Other Geochemical Environments by Johnston, R.B, Singer, P.C

“…Arsenic in drinking water represents a major public health concern globally, with tens of millions of people thought to be consuming unsafe amounts of As…”
Get full text

Inhibition of calcite crystal growth by polyphosphates by Lin, Yi-Pin, Singer, Philip C.

“…The inhibition of calcite crystal growth by pyrophosphate (P 2O 7 4−), tripolyphosphate (P 3O 10 5−), hexametaphosphate (P 6O 18 6−) and binary-polyphosphate…”
Get full text

Modeling the removal of dissolved organic carbon by ion exchange in a completely mixed flow reactor by Boyer, Treavor H., Miller, Cass T., Singer, Philip C.

“…A mathematical model was developed to describe removal of dissolved organic carbon (DOC) by a macroporous, strong-base anion exchange resin in a completely…”
Get full text

Assessing spatial fluctuations, temporal variability, and measurement error in estimated levels of disinfection by-products in tap water: implications for exposure assessment by Symanski, E, Savitz, D A, Singer, P C

“…Aims: To assess spatial fluctuations, temporal variability, and errors due to sampling and analysis in levels of disinfection by-products in routine monitoring…”
Get full text

Chlorination of humic materials: byproduct formation and chemical interpretations by Reckhow, David A, Singer, Philip C, Malcolm, Ronald L

“…Humic and fulvic acids were extracted from humic material taken from five lakes or rivers. These acids were then reacted with chlorine, and yields of total…”
Get full text

Evaluating criteria for enhanced coagulation compliance by White, Mark C., Thompson, Jeffrey D., Harrington, Gregory W., Singer, Philip C.

“…Jar tests were performed on 31 natural waters from a variety of sources across the United States. These tests indicate that the majority of utilities supplying…”
Get full text

Effectiveness of coagulation, ozonation, and biofiltration in controlling DBPs by CHAIKET, THOM, SINGER, PHILIP C., MILES, AMY, MORAN, MELISSA, PALLOTTA, CATHERINE

“…The objective of this research was to investigate the effectiveness of coagulation, ozonation, and biofiltration in controlling disinfection by‐product (DBP)…”
Get full text

DBPs in chlorinated North Carolina drinking waters by Singer, Philip C., Obolensky, Alexa, Greiner, Anthony

“…The proposed Disinfectants/Disinfection By-products (D/DBP) Rule establishes a maximum contaminant level (MCL) for haloacetic acids (HAAs) of 60 µg/L and…”
Get full text

Reducing cancer risks by improving organic carbon removal by Black, Bryan D., Harrington, Gregory W., Singer, Philip C.

“…A computer simulation methodology is described that examines on a case-specific basis the effect of water quality on the formation of trihalomethanes (THMs)…”
Get full text

Special ussue : drinking water by SINGER, P.C, LYKINS, B.W, KOFFSKEY, W.E

Get full text

DBPs/alternative disinfectants by ROBERSON, J.A, SIDDIQUI, M.S, SHUKAIRY, H.M, SINGER, P.C, KRASNER, S.W

Get full text

Enhanced softening: factors influencing DBP precursor removal by Thompson, Jeffrey D., White, Mark C., Harrington, Gregory W., Singer, Philip C.

“…Relationships of hardness removal, natural organic matter (NOM) removal, and selected chemical characteristics of NOM were explored, and the implications of…”
Get full text

Chlorine Dioxide Effects on THMFP, TOXFP, and the Formation of Inorganic By-products by Werdehoff, Karen S., Singer, Philip C.

“…An investigation of raw and finished waters was conducted (1) to determine whether chlorine dioxide pretreatment lowers trihalomethane (THM) and total organic…”
Get full text

Evaluating buoyant coarse media flocculation by Schulz, Christopher R., Singer, Philip C., Gandley, Robert, Nix, James E.

“…A new type of coarse media flocculator, using buoyant media instead of the heavier gravel in order to facilitate cleaning, was evaluated in laboratory and…”
Get full text

Performance and Analysis of Tracer Tests to Determine Compliance of a Disinfection Scheme With the SWTR by Teefy, Susan M., Singer, Philip C.

“…The Surface Water Treatment Rule (SWTR) contains tables of disinfectant CT (concentration × time) values that have been demonstrated to achieve the required…”
Get full text

Committee Report: Research Needs for the Treatment of Iron and Manganese by Robinson, R.B., Dart, F.J., Pisarczyk, K., Singer, P.C., Sung, W.

“…Iron and manganese problems affect far more water systems than almost any other water quality concern. The committee that prepared this report believes there…”
Get full text

Conditioning of Anaerobically Digested Sludge by Cole, Anne I, Singer, Philip C

“…Synthetic organic polyelectrolytes can be used to condition sludges to enhance their dewaterability. When conditioning biological sludges, the charge on the…”
Get full text

Particles in Thickening: Mathematical Model by Lawler, Desmond F, Singer, Philip C, O'Melia, Charles R

“…A mathematical model to describe the changes in the particle size distribution immediately below the solid liquid interface in gravity thickening was…”
Get full text