P Westerhoff

Summary

Affiliation: Arizona State University
Country: USA

Publications

  1. doi request reprint Growth parameters of microalgae tolerant to high levels of carbon dioxide in batch and continuous-flow photobioreactors
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Box 5306, Engineering Centre G Wing Room 252, Tempe, AZ 85287 5306, USA
    Environ Technol 31:523-32. 2010
  2. pmc Searching for global descriptors of engineered nanomaterial fate and transport in the environment
    Paul Westerhoff
    Arizona State University, Engineering Center, G Wing Room ECG252, Box 5306, Tempe, AZ 85287 5306, USA
    Acc Chem Res 46:844-53. 2013
  3. doi request reprint Occurrence and removal of titanium at full scale wastewater treatment plants: implications for TiO2 nanomaterials
    Paul Westerhoff
    School of Sustainable Engineering and the Built Environment, Civil, Environmental and Sustainable Engineering Program, Ira A Fulton Schools of Engineering, Arizona State University, Engineering Center, Tempe, AZ 85287 5306, USA
    J Environ Monit 13:1195-203. 2011
  4. doi request reprint Oxidation of organics in retentates from reverse osmosis wastewater reuse facilities
    Paul Westerhoff
    Department of Civil, Environmental and Sustainable Engineering, Arizona State University, Tempe, AZ 85287 5306, USA
    Water Res 43:3992-8. 2009
  5. ncbi request reprint Antimony leaching from polyethylene terephthalate (PET) plastic used for bottled drinking water
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, AZ 85287 5306, USA
    Water Res 42:551-6. 2008
  6. ncbi request reprint Electron pulse radiolysis determination of hydroxyl radical rate constants with Suwannee River fulvic acid and other dissolved organic matter isolates
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 41:4640-6. 2007
  7. ncbi request reprint Seasonal occurrence and degradation of 2-methylisoborneol in water supply reservoirs
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, AZ 85287 5306, USA
    Water Res 39:4899-912. 2005
  8. ncbi request reprint Fate of endocrine-disruptor, pharmaceutical, and personal care product chemicals during simulated drinking water treatment processes
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Box 5306, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 39:6649-63. 2005
  9. ncbi request reprint Nitrate removal in zero-valent iron packed columns
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, P O Box 5306, Tempe 85287 5306, USA
    Water Res 37:1818-30. 2003
  10. ncbi request reprint Fluorescence analysis of a standard fulvic acid and tertiary treated wastewater
    P Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, USA
    J Environ Qual 30:2037-46. 2001

Collaborators

Detail Information

Publications39

  1. doi request reprint Growth parameters of microalgae tolerant to high levels of carbon dioxide in batch and continuous-flow photobioreactors
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Box 5306, Engineering Centre G Wing Room 252, Tempe, AZ 85287 5306, USA
    Environ Technol 31:523-32. 2010
    ..14 +/- 0.02 g C L(-1) d(-1). Reactor modelling indicated that a threshold of reactor size (i.e., HRT) an d reactor depth (path-length of light) exists based upon the optical density of the cells in the water column and their growth rates...
  2. pmc Searching for global descriptors of engineered nanomaterial fate and transport in the environment
    Paul Westerhoff
    Arizona State University, Engineering Center, G Wing Room ECG252, Box 5306, Tempe, AZ 85287 5306, USA
    Acc Chem Res 46:844-53. 2013
    ..Such information is also critical for understanding the ultimate disposition of ENMs and may provide a framework for improved engineering of nanomaterials that are more environmentally benign. ..
  3. doi request reprint Occurrence and removal of titanium at full scale wastewater treatment plants: implications for TiO2 nanomaterials
    Paul Westerhoff
    School of Sustainable Engineering and the Built Environment, Civil, Environmental and Sustainable Engineering Program, Ira A Fulton Schools of Engineering, Arizona State University, Engineering Center, Tempe, AZ 85287 5306, USA
    J Environ Monit 13:1195-203. 2011
    ....
  4. doi request reprint Oxidation of organics in retentates from reverse osmosis wastewater reuse facilities
    Paul Westerhoff
    Department of Civil, Environmental and Sustainable Engineering, Arizona State University, Tempe, AZ 85287 5306, USA
    Water Res 43:3992-8. 2009
    ..These results suggest that UV/TiO(2) plus biodegradation of RO retentates is feasible and would significantly reduce the organic pollutant loading into the environment from wastewater reuse facilities...
  5. ncbi request reprint Antimony leaching from polyethylene terephthalate (PET) plastic used for bottled drinking water
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, AZ 85287 5306, USA
    Water Res 42:551-6. 2008
    ..Still, the use of alternative types of plastics that do not leach antimony should be considered, especially for climates where exposure to extreme conditions can promote antimony release from PET plastics...
  6. ncbi request reprint Electron pulse radiolysis determination of hydroxyl radical rate constants with Suwannee River fulvic acid and other dissolved organic matter isolates
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 41:4640-6. 2007
    ..DOM* from hydrophobic acids exhibited broader absorbance spectra than transphilic acids, while wastewater DOM isolates had narrower DOM* spectra more skewed toward shorter wavelengths than did DOM* spectra for hydrophobic acids...
  7. ncbi request reprint Seasonal occurrence and degradation of 2-methylisoborneol in water supply reservoirs
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, AZ 85287 5306, USA
    Water Res 39:4899-912. 2005
    ..This was the magnitude change in MIB concentrations commonly observed after autumn thermal destratification of the reservoirs...
  8. ncbi request reprint Fate of endocrine-disruptor, pharmaceutical, and personal care product chemicals during simulated drinking water treatment processes
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Box 5306, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 39:6649-63. 2005
    ..Other compounds had low removals by all the WTP processes considered (atrazine, iopromide, meprobamate, TCEP), and removal processes capable of removing these types of compounds should be investigated...
  9. ncbi request reprint Nitrate removal in zero-valent iron packed columns
    Paul Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, P O Box 5306, Tempe 85287 5306, USA
    Water Res 37:1818-30. 2003
    ..Different abiotic and microbial-mediated mechanisms may be involved during shorter- and longer-term operation of Fe(0) systems and the role of iron precipitates should be further evaluated...
  10. ncbi request reprint Fluorescence analysis of a standard fulvic acid and tertiary treated wastewater
    P Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, USA
    J Environ Qual 30:2037-46. 2001
    ..g., rivers, lakes)...
  11. ncbi request reprint Reactivity of natural organic matter with aqueous chlorine and bromine
    P Westerhoff
    Department of Civil and Environmental Engineering, Arizona State University, ECG 252, Tempe, AZ 85287 5306, USA
    Water Res 38:1502-13. 2004
    ..Overall, the improved knowledge that bromine reacts faster and substitutes more efficiently than chlorine will be useful in developing strategies to control disinfection by-product formation during water treatment...
  12. ncbi request reprint Titanium nanomaterial removal and release from wastewater treatment plants
    M A Kiser
    Department of Civil, Environmental, and Sustainable Engineering, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 43:6757-63. 2009
    ..is discharged (rivers, lakes, oceans) or biomass disposed (landfills, agriculture and soil amendments, incinerator off-gas or residuals) will increase our knowledge on the fate and transport of other nanomaterials in the environment..
  13. pmc Removal of nitrate from groundwater by cyanobacteria: quantitative assessment of factors influencing nitrate uptake
    Q Hu
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, Arizona 85287, USA
    Appl Environ Microbiol 66:133-9. 2000
    ..This result compares favorably with those reported for nitrate removal by other cyanobacteria and algae, and therefore effective nitrate removal from groundwater using this organism could be anticipated on large-scale operations...
  14. ncbi request reprint Stability and removal of water soluble CdTe quantum dots in water
    Yang Zhang
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 42:321-5. 2008
    ..Divalent cations (Mg2+ and Ca2+) in tap water induce the formation of settleable QD flocs such that 70-80% of the QGDs by mass settle out...
  15. doi request reprint The effect of carbon type on arsenic and trichloroethylene removal capabilities of iron (hydr)oxide nanoparticle-impregnated granulated activated carbons
    Anne Marie Cooper
    Environmental Technology, College of Technology and Innovation Arizona State University Polytechnic Campus, 6075 South Williams Campus Loop West, Mesa, AZ 85212, United States
    J Hazard Mater 183:381-8. 2010
    ..This tradeoff is related to several factors, of which changes in surface properties and pore size distributions appeared to be the most dominant...
  16. doi request reprint Biosorption of nanoparticles to heterotrophic wastewater biomass
    Mehlika A Kiser
    School of Sustainable Engineering and the Built Environment, Arizona State University, P O Box 875306, Tempe, AZ 85287 5306, USA
    Water Res 44:4105-14. 2010
    ..Further study of carbonaceous NPs showed that different surface functionalities affect biosorption. Thus, the production and transformations in NP surface properties will be key factors in determining their fate in the environment...
  17. pmc Evaluation of extraction methods for quantification of aqueous fullerenes in urine
    Troy M Benn
    School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287, USA
    Anal Bioanal Chem 399:1631-9. 2011
    ..g., blood, sweat, amniotic fluid) in toxicological studies, enabling a better understanding of the behavior of fullerenes in human and animal systems and facilitating a more comprehensive risk evaluation of fullerenes...
  18. ncbi request reprint The release of nanosilver from consumer products used in the home
    Troy Benn
    School of Sustainable Engineering and the Built Environment, Arizona State Univ, PO Box 875306, Tempe, AZ 85287 5306, USA
    J Environ Qual 39:1875-82. 2010
    ..The quantities of silver in consumer products can in turn be used to estimate real-world human and environmental exposure levels...
  19. ncbi request reprint Biosorption of humic and fulvic acids to live activated sludge biomass
    Mario Esparza-Soto
    Department of Civil and Environmental Engineering, Arizona State University, Engineering Center Room, ECG 252, Tempe, AZ 85287 5306, USA
    Water Res 37:2301-10. 2003
    ..These results showed that pH, divalent cation concentration and ionic strength play an important role in the fate and removal of influent wastewater HS in full-scale treatment plants...
  20. ncbi request reprint Quantification of C60 fullerene concentrations in water
    Zhuo Chen
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, Arizona 85287 1604, USA
    Environ Toxicol Chem 27:1852-9. 2008
    ..This is the first publication on the application of extraction methods for nC60 from ultrapure and tap waters and determination of detection limits by LC/MS...
  21. ncbi request reprint Nanoparticle silver released into water from commercially available sock fabrics
    Troy M Benn
    Civil and Environmental Engineering, Arizona State University, Box 5306, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 42:4133-9. 2008
    ..However, the high silver concentration may limitthe disposal of the biosolids as agricultural fertilizer...
  22. doi request reprint An approach for evaluating nanomaterials for use as packed bed adsorber media: a case study of arsenate removal by titanate nanofibers
    Kiril Hristovski
    Environmental Technology Laboratory, Arizona State University Polytechnic Campus, Mesa, AZ 85212, USA
    J Hazard Mater 156:604-11. 2008
    ....
  23. ncbi request reprint Intraparticle diffusion and adsorption of arsenate onto granular ferric hydroxide (GFH)
    Mohammad Badruzzaman
    Department of Civil and Environmental Engineering, Box 5306, Arizona State University, Tempe, AZ 85287 5306, USA
    Water Res 38:4002-12. 2004
    ....
  24. ncbi request reprint Dissolved organic nitrogen measurement using dialysis pretreatment
    Wontae Lee
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Sci Technol 39:879-84. 2005
    ..Dialysis experiments using surface water spiked with different DIN/TDN ratios concluded that dialysis pretreatment leads to more accurate DON determination than no dialysis when DIN/TDN ratios exceed 0.6 mg of N/mg of N...
  25. ncbi request reprint HPLC-fluorescence detection and adsorption of bisphenol A, 17beta-estradiol, and 17alpha-ethynyl estradiol on powdered activated carbon
    Yeomin Yoon
    Department of Civil and Environmental Engineering, Arizona State University, ECG 252, Tempe, AZ 85287 5306, USA
    Water Res 37:3530-7. 2003
    ..This study confirms that PAC treatment is feasible for >99% removal of three estrogenic compounds from raw drinking waters that may be at risk for containing such compounds, at least at initial concentration of 500 ng/l and higher...
  26. ncbi request reprint Simultaneous removal of perchlorate and arsenate by ion-exchange media modified with nanostructured iron (hydr)oxide
    Kiril Hristovski
    Environmental Technology Laboratory, Arizona State University, 6075 S WMS Campus Loop W, Mesa, AZ 85212, United States
    J Hazard Mater 152:397-406. 2008
    ..Short bed adsorber (SBA) tests demonstrated that the mass transport kinetics for both ions are adequately rapid to permit simultaneous removal using HIX media in a fixed bed reactor...
  27. ncbi request reprint Oxidation of bisphenol A, 17beta-estradiol, and 17alpha-ethynyl estradiol and byproduct estrogenicity
    Absar Alum
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, Arizona 85287 5306, USA
    Environ Toxicol 19:257-64. 2004
    ..Oxidation with ozone resulted in the rapid transformation of test compounds, reaching a stabilized estrogenic level in 10 min, whereas for chlorination it took more than 120 min for elicited estrogenicity to stabilize...
  28. ncbi request reprint Selecting metal oxide nanomaterials for arsenic removal in fixed bed columns: from nanopowders to aggregated nanoparticle media
    Kiril Hristovski
    Environmental Technology Laboratory, Arizona State University Polytechnic Campus, 7001 East Williamsfield Road Building 50, Mesa, AZ 85212, USA
    J Hazard Mater 147:265-74. 2007
    ..1-0.5 min and Re x Sc=1000 and 2000. These SBA tests suggested that the binder has a negligible role in adsorbing arsenic and that mass transport is controlled by rapid intraparticle diffusion rather than external film diffusion...
  29. doi request reprint Nitrogen enriched dissolved organic matter (DOM) isolates and their affinity to form emerging disinfection by-products
    A Dotson
    Department of Civil and Environmental Engineering, Arizona State University, Engineering Center G Wing, Room ECG 252, Tempe, AZ 85287, USA
    Water Sci Technol 60:135-43. 2009
    ..Other results indicated that nitrogen-enriched DOM resulted in increased yields of the other N-DBPs studied...
  30. doi request reprint User-oriented batch reactor solutions to the homogeneous surface diffusion model for different activated carbon dosages
    Qiong Zhang
    Department of Civil and Environmental Engineering, Michigan Technological University, Houghton, MI 49931, USA
    Water Res 43:1859-66. 2009
    ..The solutions to the HSDM framework are provided as simplified algebraic equations suitable for quick and easy estimations of D(S). The excel spread sheet is provided in the supplemental information and a detailed example is discussed...
  31. doi request reprint Stability of commercial metal oxide nanoparticles in water
    Yang Zhang
    Department of Civil and Environmental Engineering, Arizona State University, Tempe, AZ 85287 5306, USA
    Water Res 42:2204-12. 2008
    ..Filtration using a 0.45 microm filter was required to remove more than 90% of the nanoparticle mass...
  32. doi request reprint Toxicity and cellular responses of intestinal cells exposed to titanium dioxide
    Brian A Koeneman
    Cellular and Molecular Biosciences Faculty, School of Life Sciences, Arizona State University, PO Box 874501, Tempe, AZ 85287 4501, USA
    Cell Biol Toxicol 26:225-38. 2010
    ..Although TiO(2) does not show cell death, the implication of other, non-lethal, effects could lead to undesired outcomes (i.e., disease, malnutrition, shortened life span, etc.)...
  33. ncbi request reprint Factors affecting formation of haloacetonitriles, haloketones, chloropicrin and cyanogen halides during chloramination
    Xin Yang
    Department of Civil Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
    Water Res 41:1193-200. 2007
    ..Chloropicrin concentrations were always low (around detection limits) under all conditions. Increasing the concentrations of bromide ions enhanced the formation of bromine-substituted DBPs...
  34. ncbi request reprint Dissolved organic nitrogen removal during water treatment by aluminum sulfate and cationic polymer coagulation
    Wontae Lee
    HDR Engineering, Inc, 3200 East Camelback Road Suite 350, Phoenix, AZ 85018, USA
    Water Res 40:3767-74. 2006
    ..Results indicated that the DON added as part of the cationic polymer was almost completely removed at optimum aluminum sulfate and polymer doses...
  35. ncbi request reprint Comparison of dissolved-organic-carbon residuals from air- and pure-oxygen-activated-sludge sequencing-batch reactors
    Mario Esparza-Soto
    Centro Interamericano de Recursos del Agua, Universidad Autonoma del Estado de Mexico, Toluca
    Water Environ Res 78:321-9. 2006
    ..Analysis of a database from side-by-side O2- and air-AS pilot tests from literature supported these observations...
  36. ncbi request reprint Transformation of molecular weight distributions of dissolved organic carbon and UV-absorbing compounds at full-scale wastewater-treatment plants
    Mario Esparza-Soto
    Centro Interamericano de Recursos del Agua at Universidad Autónoma del Estado de México, Toluca
    Water Environ Res 78:253-62. 2006
    ..The removal of DOC by air- and O2-AS bacteria followed trends predicted by a macromolecule degradation model. Trickling-filter effluent DOC exhibited a skewed distribution toward the high MWF (50% DOC, > 3 KDa)...
  37. ncbi request reprint Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter
    Wen Chen
    PBS4J INC 7310 N 16th St Ste 310, Phoenix, AZ 85020, USA
    Environ Sci Technol 37:5701-10. 2003
    ..Aromatic carbon and the presence of specific aromatic compounds (as indicated by solid-state 13C NMR and FTIR data) resulted in EEMs that aided in differentiating wastewater effluent DOM from drinking water DOM...
  38. ncbi request reprint Dissolved organic nitrogen as a precursor for chloroform, dichloroacetonitrile, N-nitrosodimethylamine, and trichloronitromethane
    Wontae Lee
    HDR Engineering, Inc, 3200 East Camelback Road, Suite 350, Phoenix, Arizona 85018, USA
    Environ Sci Technol 41:5485-90. 2007
    ..e., increasing nitrogen content of DOM). NDMA formation also increased as the amino sugar to aromatic ratio of DOM increased. The results support the hypothesis that DON promotes the formation of N-DBPs...
  39. doi request reprint Correlations between organic matter properties and DBP formation during chloramination
    Xin Yang
    Department of Civil Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
    Water Res 42:2329-39. 2008
    ..A modified model is proposed to simplify the reactions involving chloramination of OM fractions. FTIR spectra of OM before and after chloramination partially confirmed that ketone groups were reactive with monochloramine...