Research Output 1990 2018

Filter
Conference contribution
2013

Controlling the formation of nitrosamines during water treatment

Krasner, S. W., Westerhoff, P., Mitch, W., Skadsen, J. & Von Gunten, U. 2013 2013 Water Quality Technology Conference and Exposition, WQTC 2013.

Research output: ResearchConference contribution

water treatment
nitrosamine
2012
2 Citations

Case studies on nitrosamine formation and control at full-scale drinking water treatment plants

Krasner, S. W., Westerhoff, P., Mitch, W. & Skadsen, J. 2012 Water Quality Technology Conference and Exposition 2012.

Research output: ResearchConference contribution

drinking water treatment
nitrosamine
water treatment plant
chlorine
distribution system
2 Citations

Impact of a nitrified biofilter on NDMA formation

Krasner, S. W., Lee, C. F. T., Liang, S., Mitch, W., Von Gunten, U. & Westerhoff, P. 2012 American Water Works Association Annual Conference and Exposition 2012, ACE 2012. p. 3919-3943 25 p.

Research output: ResearchConference contribution

product
activated sludge
nitrification
ammonia
ozone

Photocatalytic nitrate reduction in water

Westerhoff, P., Yang, T., Doudrick, K. & Hristovski, K. 2012 Water Quality Technology Conference and Exposition 2012.

Research output: ResearchConference contribution

bromide
brine
denitrification
ion exchange
catalyst
2011

Catalytic ozonation using carbon-based catalysts

Barry, M., Doudrick, K. & Westerhoff, P. 2011 Water Quality Technology Conference and Exposition 2011. p. 1030-1037 8 p.

Research output: ResearchConference contribution

catalyst
carbon
ozonation

Characterization of organics in Arizona surface waters: Size and TEP

Westerhoff, P., Wang, J. & Chiu, C. A. 2011 Water Quality Technology Conference and Exposition 2011. p. 908-915 8 p.

Research output: ResearchConference contribution

transparent exopolymer particle
surface water

Investigating matrix spike recovery challenges for the Bull Run water source, Portland, Oregon

Rosen, J., Akagi, Y., Richter, A., Westerhoff, P., Chiu, C. A. & Irving, J. 2011 Water Quality Technology Conference and Exposition 2011. p. 2091-2105 15 p.

Research output: ResearchConference contribution

matrix
water

Monitoring DOM removal and transformation during drinking water treatment by 3D fluorescence

Dotson, A., Westerhoff, P., Beggs, K. & Larsen, M. 2011 Water Quality Technology Conference and Exposition 2011. p. 1780-1784 5 p.

Research output: ResearchConference contribution

fluorescence
monitoring
drinking water treatment
removal
1 Citations

Prescribed pretreatment for limiting constituents in reclaimed water concentrate

He, C., Carpenter, G., Urban, M., Liu, Z., Wang, J. & Westerhoff, P. 2011 Water Quality Technology Conference and Exposition 2011. p. 438-457 20 p.

Research output: ResearchConference contribution

brine
water
calcium
sulfate
cost

Removal of trace organics and engineered nanomaterials in wetland microcosms

Sharif, F. & Westerhoff, P. 2011 Water Quality Technology Conference and Exposition 2011. p. 2627-2637 11 p.

Research output: ResearchConference contribution

microcosm
wetland
removal

Size exclusion chromatography for the characterization of dissolved organic fractions across drinking water unit processes

Chiu, C. A. & Westerhoff, P. 2011 Water Quality Technology Conference and Exposition 2011.

Research output: ResearchConference contribution

chromatography
drinking water
dissolved organic matter
coagulation
disinfection

Solar photolysis of carbonaceous and nitrogenous disinfection byproducts

Lee, W., Westerhoff, P., Chen, B., Lee, H. D. & Choi, J. S. 2011 Water Quality Technology Conference and Exposition 2011. p. 2508-2515 8 p.

Research output: ResearchConference contribution

halogen
photolysis
disinfection
kinetics
rate
2010

A stop-light approach to flood warning of potential water quality impacts

Westerhoff, P. 2010 Water Quality Technology Conference and Exposition 2010. p. 3417-3462 46 p.

Research output: ResearchConference contribution

water quality

Occurrence of PPCP/EDCs in Arizona waters and impact of recreational activities

Chiu, C. A. & Westerhoff, P. 2010 American Water Works Association Annual Conference and Exposition 2010, ACE 2010, Papers.

Research output: ResearchConference contribution

recreational activity
water
PPCP
3 Citations

Trace organics in arizona surface and wastewaters

Chiu, C. & Westerhoff, P. K. Nov 2 2010 ACS Symposium Series. American Chemical Society, Vol. 1048, p. 81-117 37 p. (ACS Symposium Series; vol. 1048)

Research output: ResearchConference contribution

Organic compounds
Wastewater
trichlorosucrose
Wastewater treatment
oxybenzone
2009

Advanced oxidation & biodegradation of RO membrane concentrate

Westerhoff, P. 2009 Water Quality Technology Conference and Exposition 2009. p. 2754-2755 2 p.

Research output: ResearchConference contribution

biodegradation
membrane
oxidation

Effect of organic nitrogen on the formation of organic chloramines

Lee, W. & Westerhoff, P. 2009 American Water Works Association Annual Conference and Exposition 2009, ACE 2009.

Research output: ResearchConference contribution

organic nitrogen
raw water
effect
water
chlorination

Events on NOM fractionation and DBP formation

Westerhoff, P., Dotson, A. & Gosh, A. 2009 American Water Works Association Annual Conference and Exposition 2009, ACE 2009.

Research output: ResearchConference contribution

fractionation
event

Removal of organic nitrogen and other DBP precursors by granular activated carbon (GAC) - Rapid small-scale column tests (RSSCTs) to evaluate disinfection by-product control

Chiu, C. A., Paul, W. & Ghosh, A. 2009 Water Quality Technology Conference and Exposition 2009. p. 2990-3001 12 p.

Research output: ResearchConference contribution

organic nitrogen
disinfection
activated carbon
test
by-product
2008

A new water source: Can fuel cells provide safe and cost-effective potable water sources?

Westerhoff, P. K., Hristovski, K. D., Dhanasekaran, B., Tibaquirá, J. E. & Posner, J. D. 2008 Water Quality Technology Conference and Exposition 2008. p. 2012-2015 4 p.

Research output: ResearchConference contribution

fuel cell
drinking water
cost
water
Potable water

Controlling scale formation in the final stage of RO: Designing a pilot facility for softening brackish water RO concentrate

He, C., Gross, M., Russell, J., Hagar, C. B., Alexander, K., Narasimhan, R., Nandan, R., Goddard, M., Kinshella, P., Westerhoff, P., Fox, P. & Lozier, J. 2008 American Water Works Association - American Water Works Association Association Annual Conference and Exposition, ACE 2008.

Research output: ResearchConference contribution

softening
brackish water
water
2 Citations

Control of N-DBP precursors: How does that compare to the control of THM precursors?

Krasner, S. W., Mitch, W., Westerhoff, P. & Dotson, A. 2008 American Water Works Association - American Water Works Association Association Annual Conference and Exposition, ACE 2008. p. 2369-2401 33 p.

Research output: ResearchConference contribution

test
polymer
removal
health
ozonation
7 Citations

Fate and transport of wastewater-derived disinfection by-products in surface waters

Chen, B., Westerhoff, P. & Krasner, S. W. Aug 5 2008 ACS Symposium Series. American Chemical Society, Vol. 995, p. 257-273 17 p. (ACS Symposium Series; vol. 995)

Research output: ResearchConference contribution

Disinfection
Surface waters
Byproducts
Wastewater
Photolysis

Formation of emerging DBPs from organic matter isolates of wastewater or algal origin

Dotson, A., Westerhoff, P. & Krasner, S. W. 2008 Water Quality Technology Conference and Exposition 2008. p. 1686-1691 6 p.

Research output: ResearchConference contribution

Biological materials
Wastewater
wastewater
organic matter
1 Citations

Occurrence of emerging DBPs in wastewater or algal impacted drinking waters

Krasner, S. W., Mitch, W., Westerhoff, P. & Dotson, A. 2008 Water Quality Technology Conference and Exposition 2008. p. 1675-1685 11 p.

Research output: ResearchConference contribution

Potable water
Wastewater
drinking water
wastewater
water
1 Citations

Organic chloramines formation in water distribution systems and influence on disinfection efficacy

Jang, H., Alum, A., Abbaszadegan, M. & Westerhoff, P. 2008 American Water Works Association - American Water Works Association Association Annual Conference and Exposition, ACE 2008.

Research output: ResearchConference contribution

distribution system
water
disinfection
water distribution system
3 Citations

Organic nitrogen occurrence and characterization

Dotson, A. D., Westerhoff, P., Chen, B. & Lee, W. Aug 5 2008 ACS Symposium Series. American Chemical Society, Vol. 995, p. 274-288 15 p. (ACS Symposium Series; vol. 995)

Research output: ResearchConference contribution

Nitrogen
Drinking Water
Biological materials
Wastewater
Potable water
18 Citations

Recent advances in disinfection by-product formation, occurrence, control, health effects, and regulations

Karanfil, T., Krasner, S. W., Westerhoff, P. & Xie, Y. Aug 5 2008 ACS Symposium Series. American Chemical Society, Vol. 995, p. 2-19 18 p. (ACS Symposium Series; vol. 995)

Research output: ResearchConference contribution

Disinfection
Byproducts
Health
Drinking Water
Potable water

Removal of the amino acid fraction of dissolved organic nitrogen during coagulation

Dotson, A. & Westerhoff, P. 2008 Water Quality Technology Conference and Exposition 2008. p. 1972-1977 6 p.

Research output: ResearchConference contribution

dissolved organic nitrogen
coagulation
amino acid
removal
Coagulation

Wastewater-impacted drinking water sources: The exception or the rule?

Amy, G., Krasner, S., Westerhoff, P., Drewes, J., Jekel, M. & Croué, J. P. 2008 Water Quality Technology Conference and Exposition 2008. p. 2032-2082 51 p.

Research output: ResearchConference contribution

Potable water
Wastewater
drinking water
wastewater
water
2007

Bench-and pilot-scale arsenic removal study of coagulation/filtration and adsorption technologies

Lee, W., Galeziewski, T. & Westerhoff, P. 2007 American Water Works Association - Water Quality Technology Conference and Exposition 2007: Fast Tracks to Water Quality. p. 360-372 13 p.

Research output: ResearchConference contribution

coagulation
arsenic
adsorption
removal
Coagulation

Characterization of amino acid fraction of organic matter during drinking water treatment

Westerhoff, P. & Dotson, A. 2007 American Water Works Association - Water Quality Technology Conference and Exposition 2007: Fast Tracks to Water Quality. p. 3907-3910 4 p.

Research output: ResearchConference contribution

Water treatment
Potable water
Biological materials
Amino acids
amino acid

Electrolysis and volatilization of bromide from drinking water to minimize bromate production by ozonation

Kimbrough, D. E., Boulos, L. & Westerhoff, P. 2007 American Water Works Association - Water Quality Technology Conference and Exposition 2007: Fast Tracks to Water Quality. p. 1772-1814 43 p.

Research output: ResearchConference contribution

volatilization
bromide
electrokinesis
drinking water
ozonation
1 Citations

Fate, transport and toxicity of nanomaterials in drinking water

Zhang, Y., Koeneman, B. A., Chen, Y., Westerhoff, P., Capco, D. G. & Crittenden, J. 2007 2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings. Vol. 2, p. 678-680 3 p.

Research output: ResearchConference contribution

Nanostructured materials
Potable water
Toxicity
Water
Water treatment

Fate and transport of nanomaterials in drinking water

Zhang, Y., Chen, Y., Westerhoff, P. & Crittenden, J. 2007 American Water Works Association - AWWA Annual Conference and Exposition, ACE 2007.

Research output: ResearchConference contribution

drinking water
nanoparticle
water
metal oxide
Group

Investigation of silica fouling in arsenic removal by iron based paked bed systems

Badruzzaman, M. & Westerhoff, P. 2007 American Water Works Association - AWWA Annual Conference and Exposition, ACE 2007.

Research output: ResearchConference contribution

fouling
hydroxide
arsenic
silica
iron

Microfabricated tuning fork sensors: Chloroform in water

Tsow, F., Kruger, K. C., Tao, N., Forzani, E. S. & Westerhoff, P. K. 2007 ACS National Meeting Book of Abstracts.

Research output: ResearchConference contribution

Chloroform
Tuning
Water
Sensors
Costs
7 Citations

Nitrosamine formation from natural organic matter isolates and sunlight photolysis of nitrosamines

Dotson, A., Westerhoff, P. & Krasner, S. W. 2007 American Water Works Association - AWWA Annual Conference and Exposition, ACE 2007. p. 336-344 9 p.

Research output: ResearchConference contribution

photolysis
organic matter
nitrosamine

Protein assay in drinking water and reclaimed water

Lee, W. & Westerhoff, P. 2007 American Water Works Association - Water Quality Technology Conference and Exposition 2007: Fast Tracks to Water Quality. p. 663-666 4 p.

Research output: ResearchConference contribution

drinking water
assay
protein
water
Potable water
30 Citations

Using formation potential tests to elucidate the reactivity of dbp precursors with chlorine versus with chloramines

Krasner, S. W., Sclimenti, M. J., Mitch, W., Westerhoff, P. & Dotson, A. 2007 American Water Works Association - Water Quality Technology Conference and Exposition 2007: Fast Tracks to Water Quality. p. 3184-3194 11 p.

Research output: ResearchConference contribution

chlorine
test
Chlorine
3 Citations

Wastewater and algal derived N-DBPs

Krasner, S. W., Sclimenti, M. J., Mitch, W., Westerhoff, P. & Dotson, A. 2007 American Water Works Association - AWWA Annual Conference and Exposition, ACE 2007. p. 345-354 10 p.

Research output: ResearchConference contribution

wastewater
2006

Dissolved organic nitrogen removal during alum and cationic polymer coagulation

Lee, W. & Westerhoff, P. 2006 American Water Works Association - Water Quality Technology Conference and Exposition 2006: Taking Water Quality to New Heights. p. 509-518 10 p.

Research output: ResearchConference contribution

dissolved organic nitrogen
coagulation
polymer
removal
Nitrogen removal

Impact of wastewater treatment processes on organic carbon, organic nitrogen, and DBP precursors in effluent organic matter

Krasner, S. W., Westerhoff, P., Chen, B., Rittmann, B. E., Amy, G. & Nam, S. N. 2006 American Water Works Association - Water Quality Technology Conference and Exposition 2006: Taking Water Quality to New Heights. p. 667-691 25 p.

Research output: ResearchConference contribution

organic nitrogen
disinfection
nitrification
organic carbon
effluent

Removal of co-occurring anions (U, Sb, W, V, P, Si, CIO4) during arsenic treatment

Westerhoff, P., Hristovski, K., Benn, T. & Shafieian, P. 2006 American Water Works Association - Water Quality Technology Conference and Exposition 2006: Taking Water Quality to New Heights. p. 3032-3058 27 p.

Research output: ResearchConference contribution

anion
arsenic
removal
Arsenic
Polysilicon

Removal of co-occurring ions during arsenic treatment

Westerhoff, P., Benn, T., Kahn, N. & Hristovski, K. 2006 American Water Works Association - AWWA Annual Conference and Exposition, ACE 2006: The World's Water Event. p. 6493-6503 11 p.

Research output: ResearchConference contribution

arsenic
ion
removal
vanadium
regulation
2 Citations

The application of rapid small-scale column tests in iron-based packed bed arsenic treatment systems

Badruzzaman, M. & Westerhoff, P. 2006 ACS Symposium Series. Vol. 915, p. 268-283 16 p. (ACS Symposium Series; vol. 915)

Research output: ResearchConference contribution

Packed beds
Arsenic
Iron
ferric hydroxide
arsenic acid

Trace metal and nitrate occurrence in tap water for eight mexican states along the US-Mexico border

Westerhoff, P., Navarro-Aragon, J., Badruzzman, M. & Esparza-Soto, M. 2006 2006 Inorganics Contaminants Workshop Proceedings.

Research output: ResearchConference contribution

trace metal
nitrate
water
border
Nitrates

Use of RSSCTs to assist with arsenic treatment technology selection and full-scale O&M cost estimation

De Haan, M., Westerhoff, P., Sorg, T. & Acquafredda, S. 2006 2006 Inorganics Contaminants Workshop Proceedings.

Research output: ResearchConference contribution

Arsenic
Costs
arsenic
cost
2005

Aerogel-GAC composites for arsenic and uranium removal

Westerhoff, P., Badruzzaman, M., Navarnoaragon, J., Coleman, S., Reynolds, J., Gammon, S. & Genetti, V. 2005 AWWA 124th Annual Conference and Exposition: The World's Water Event, ACE 2005.

Research output: ResearchConference contribution

arsenic
uranium
removal
1 Citations

ArsenXnp-A new hybrid sorbent for arsenic removal from drinking water

Sylvester, P., Westerhoff, P., Boyd, O. & SenGupta, A. K. 2005 AWWA 124th Annual Conference and Exposition: The World's Water Event, ACE 2005.

Research output: ResearchConference contribution

arsenic
drinking water
removal