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Works (39)

Updated: March 10th, 2025 12:14

2014 journal article

Acidifier application rate impacts on ammonia emissions from US roaster chicken houses

Atmospheric Environment, 92, 576–583.

By: S. Shah n, J. Grimes n, E. Oviedo-Rondón n & P. Westerman n

author keywords: Broiler; Litter amendment; Acid trap; Impingers; Bubblers; Emission rate; Ventilation
topics (OpenAlex): Odor and Emission Control Technologies; Animal Nutrition and Physiology; Indoor Air Quality and Microbial Exposure
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2013 journal article

Acidifier dosage effects on inside ammonia concentrations in roaster houses

Applied Engineering in Agriculture, 29(4), 573–580.

By: S. Shah*, E. Oviedo-Rondon*, J. Grimes*, P. Westerman* & D. Campeau*

topics (OpenAlex): Animal Nutrition and Physiology; Odor and Emission Control Technologies
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2013 journal article

Ancillary effects of different acidifier application rates in roaster houses

The Journal of Applied Poultry Research, 22(3), 565–573.

By: S. Shah*, P. Westerman*, J. Grimes n, E. Oviedo-Rondon n & D. Campeau*

author keywords: propane; electricity; ammonia; nitrogen; fertilizer value; sodium bisulfate
topics (OpenAlex): Odor and Emission Control Technologies; Animal Nutrition and Physiology; Economic and Environmental Valuation
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2013 journal article

Live performance of roasters raised in houses receiving different acidifier application rates

The Journal of Applied Poultry Research, 22(4), 922–928.

By: E. Oviedo-Rondon*, S. Shah n, J. Grimes*, P. Westerman n & D. Campeau*

author keywords: ammonia; roaster; litter amendment; sodium bisulfate
topics (OpenAlex): Odor and Emission Control Technologies; Animal Nutrition and Physiology; Indoor Air Quality and Microbial Exposure
TL;DR: The significant reductions in NH3 levels observed in the whole flock across all 6 flocks receiving SBS treatments did not significantly improve broiler live performance or affect condemnations at the processing plant. (via Semantic Scholar)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2013 journal article

Nitrogen mass balance in commercial roaster houses receiving different acidifier application rates

JOURNAL OF APPLIED POULTRY RESEARCH, 22(3), 539–550.

By: S. Shah*, J. Grimes n, E. Oviedo-Rondon n, P. Westerman* & D. Campeau*

author keywords: ammonia emission; cake; litter; feed; tissue; sodium bisulfate
topics (OpenAlex): Odor and Emission Control Technologies; Hygrothermal properties of building materials
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

Ammonia emissions from broiler cake stockpiled in a naturally ventilated shed

Transactions of the ASABE, 54(5), 1893–1904.

By: H. Yao, S. Shah*, D. Willits*, P. Westerman*, L. Li* & T. Marshall

topics (OpenAlex): Odor and Emission Control Technologies; Soil and Water Nutrient Dynamics
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2010 conference paper

Phosphorus recovery from covered digester effluent with a continuous-flow struvite crystallizer

Applied Engineering in Agriculture, 26(1), 153–161.

By: P. Westerman*, K. Bowers & K. Zering*

topics (OpenAlex): Phosphorus and nutrient management; Soil and Water Nutrient Dynamics; Wastewater Treatment and Nitrogen Removal
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2010 conference paper

Swine anaerobic lagoon nutrient concentration variation with season, lagoon level, and rainfall

Applied Engineering in Agriculture, 26(1), 147–152.

By: P. Westerman*, J. Ogejo & G. Grabow*

topics (OpenAlex): Odor and Emission Control Technologies; Soil and Water Nutrient Dynamics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Impact of land application method on ammonia loss from hog lagoon effluent

Applied Engineering in Agriculture, 25(6), 963–973.

By: S. Shah*, B. Balla, G. Grabow*, P. Westerman* & D. Bailey

topics (OpenAlex): Soil and Water Nutrient Dynamics; Odor and Emission Control Technologies; Water Quality and Resources Studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2008 journal article

Design and evaluation of a regenerating scrubber for reducing animal house emissions

Transactions of the ASABE, 51(1), 243–250.

By: S. Shah*, P. Westerman*, R. Munilla*, M. Adcock* & G. Baughman*

topics (OpenAlex): Odor and Emission Control Technologies
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2008 article

Measurement and analysis of ammonia and hydrogen sulfide emissions from a mechanically ventilated swine confinement building in North Carolina

Blunden, J., Aneja, V. P., & Westerman, P. W. (2008, April). ATMOSPHERIC ENVIRONMENT, Vol. 42, pp. 3315–3331.

By: J. Blunden n, V. Aneja n & P. Westerman n

Contributors: J. Blunden n, V. Aneja n & P. Westerman n

author keywords: ammonia; hydrogen sulfide; swine barns; CAFOs
topics (OpenAlex): Odor and Emission Control Technologies; Indoor Air Quality and Microbial Exposure; Industrial Gas Emission Control
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2007 review

A review of gaseous ammonia emissions from slurry pits in pig production systems

[Review of ]. BIOSYSTEMS ENGINEERING, 97(3), 295–312.

By: E. Griffing n, M. Overcash n & P. Westerman n

topics (OpenAlex): Odor and Emission Control Technologies; Composting and Vermicomposting Techniques; Indoor Air Quality and Microbial Exposure
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Wood chips and wheat straw as alternative biofilter media for denitrification reactors treating aquaculture and other wastewaters with high nitrate concentrations

AQUACULTURAL ENGINEERING, 37(3), 222–233.

By: W. Saliling*, P. Westerman n & T. Losordo n

author keywords: wheat straw; wood chips; denitrification; aquaculture; media degradation; biofilter
topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Constructed Wetlands for Wastewater Treatment; Membrane Separation Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Ammonia adsorption in five types of flexible tubing materials

Applied Engineering in Agriculture, 22(6), 919–923.

By: S. Shah*, G. Grabow* & P. Westerman*

topics (OpenAlex): Surface Modification and Superhydrophobicity; Odor and Emission Control Technologies; Aerogels and thermal insulation
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2006 review

Measuring ammonia concentrations and emissions from agricultural land and liquid surfaces: A review

[Review of ]. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 56(7), 945–960.

By: S. Shah n, P. Westerman n & J. Arogo*

MeSH headings : Agriculture; Air Pollutants / analysis; Ammonia / analysis; Environmental Monitoring / methods; Manure; Refuse Disposal; Volatilization; Waste Disposal, Fluid
topics (OpenAlex): Atmospheric chemistry and aerosols; Odor and Emission Control Technologies; Atmospheric and Environmental Gas Dynamics
TL;DR: The integrated horizontal flux (IHF) method is preferable over other micrometeorological methods, particularly for lagoons, where berms and land-lagoon boundaries modify wind flow and flux gradients. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 patent

Method for removing phosphorus from waste lagoon effluent

Washington, DC: U.S. Patent and Trademark Office.

By: K. Bowers & P. Westerman

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Design of cone-shaped fluidized bed struvite crystallizers for phosphorus removal from wastewater

Transactions of the ASAE, 48(3), 1217–1226.

By: K. Bowers & P. Westerman*

topics (OpenAlex): Phosphorus and nutrient management
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2005 article

Management considerations for organic waste use in agriculture

Westerman, P. W., & Bicudo, JR. (2005, January). BIORESOURCE TECHNOLOGY, Vol. 96, pp. 215–221.

By: P. Westerman n & . Bicudo*

author keywords: organic waste; waste utilization; manure management; manure treatment
MeSH headings : Agriculture / economics; Agriculture / methods; Animal Husbandry; Animal Welfare; Animals; Conservation of Energy Resources; Environmental Monitoring / methods; Food-Processing Industry / methods; Government Regulation; Manure; Public Opinion; Soil; United States; United States Environmental Protection Agency; Waste Management / economics; Waste Management / methods
topics (OpenAlex): Insect Utilization and Effects; Agriculture Sustainability and Environmental Impact; Animal and Plant Science Education
TL;DR: The various factors and challenges for utilizing organic wastes in agriculture are discussed and the entire nutrient and manure management system is evaluated for best management alternatives. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

On-farm performance of two solids/liquid separation systems for flushed swine manure

Applied Engineering in Agriculture, 21(4), 707–717.

By: P. Westerman* & J. Arogo

topics (OpenAlex): Cyclone Separators and Fluid Dynamics; Granular flow and fluidized beds; Soil Mechanics and Vehicle Dynamics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Performance of a pond aeration system for treating anaerobic swine lagoon effluent

Applied Engineering in Agriculture, 21(3), 505–516.

By: P. Westerman* & J. Arogo

topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Odor and Emission Control Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Performance of cone-shaped fluidized bed struvite crystallizers in removing phosphorus from wastewater

Transactions of the ASAE, 48(3), 1227–1234.

By: K. Bowers & P. Westerman*

topics (OpenAlex): Phosphorus and nutrient management; Soil and Water Nutrient Dynamics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

A review of ammonia emissions from confined swine feeding operations

Transactions of the ASAE, 46(3), 805–817.

By: J. Arogo*, P. Westerman* & A. Heber

topics (OpenAlex): Odor and Emission Control Technologies; Wastewater Treatment and Nitrogen Removal; Composting and Vermicomposting Techniques
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Comparing ammonium ion dissociation constant in swine anaerobic lagoon liquid and deionized water

Transactions of the ASAE, 46(5), 1415–1419.

By: J. Arogo*, P. Westerman* & Z. Liang*

topics (OpenAlex): Odor and Emission Control Technologies; Wastewater Treatment and Nitrogen Removal; Soil and Water Nutrient Dynamics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Ammonia emissions from anaerobic swine lagoons: Model development

Journal of Applied Meteorology, 41(4), 426–433.

By: A. De Visscher*, L. Harper, P. Westerman n, Z. Liang n, J. Arogo n, R. Sharpe, O. Van Cleemput*

topics (OpenAlex): Odor and Emission Control Technologies; Vehicle emissions and performance; Atmospheric chemistry and aerosols
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Application of mixed and aerated pond for nitrification and denitrification of flushed swine manure

Applied Engineering in Agriculture, 18(3), 351–358.

By: P. Westerman* & J. Bicudo

topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Odor and Emission Control Technologies; Constructed Wetlands for Wastewater Treatment
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Modeling ammonia emission from swine anaerobic lagoons

Transactions of the ASAE, 45(3), 787–798.

By: Z. Liang*, P. Westerman* & J. Arogo*

topics (OpenAlex): Odor and Emission Control Technologies; Marine Bivalve and Aquaculture Studies; Wastewater Treatment and Nitrogen Removal
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Reduction of enteric microbes in flushed swine wastewater treated by a biological aerated filter and UV irradiation

WATER ENVIRONMENT RESEARCH, 74(1), 91–99.

By: V. Hill*, A. Kantardjieff, M. Sobsey & P. Westerman*

author keywords: aerobic biofilter; ultraviolet (UV) disinfection; swine waste; pathogens; wastewater reuse; Salmonella
MeSH headings : Aerobiosis; Algorithms; Animals; Clostridium perfringens / growth & development; Clostridium perfringens / radiation effects; Coliphages / growth & development; Coliphages / radiation effects; Enterobacteriaceae / growth & development; Enterobacteriaceae / radiation effects; Enterococcus / growth & development; Enterococcus / radiation effects; Escherichia coli / growth & development; Escherichia coli / radiation effects; Filtration / methods; Salmonella / growth & development; Salmonella / radiation effects; Swine; Ultraviolet Rays; Waste Disposal, Fluid / methods; Water Microbiology; Water Pollution / analysis; Water Pollution / statistics & numerical data; Water Purification / methods
topics (OpenAlex): Wastewater Treatment and Reuse; Fecal contamination and water quality; Water Treatment and Disinfection
TL;DR: Ultraviolet irradiation can be effective for further reducing enteric microbe concentrations in biologically-treated swine waste, as well as in lower quality wastewaters, indicating its general potential for pathogen reductions in low-quality wastewater intended for beneficial reuse. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Conceptual model for ammonia and odor production and ammonia emission from swine anaerobic lagoons

Air Pollution from Agricultural Operations : Proceedings of the 2nd International Conference, October 9-11, 2000, Des Moines, Iowa, 132.

By: J. Arogo & P. Westerman

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Design and analysis of a pilot scale biofiltration system for odorous air

Transactions of the ASAE, 43(1), 111–117.

By: J. Classen*, J. Young, R. Bottcher* & P. Westerman*

topics (OpenAlex): Odor and Emission Control Technologies; Plant Surface Properties and Treatments
TL;DR: Three pilot-scale biofilters and necessary peripheral equipment were built to clean odorous air from the pit of a swine gestation building at North Carolina State University to ensure that they would be useful for performing scientific experiments concerning the reduction of swine odor on future research projects. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2000 journal article

Tangential flow separation and chemical enhancement to recover swine manure solids, nutrients and metals

BIORESOURCE TECHNOLOGY, 73(1), 1–11.

By: P. Westerman n & . Bicudo*

author keywords: swine wastes; solids separation; tangential flow separation; ferric chloride
topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Membrane Separation Technologies; Odor and Emission Control Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Upflow biological aerated filters for the treatment of flushed swine manure

BIORESOURCE TECHNOLOGY, 74(3), 181–190.

By: P. Westerman n, . Bicudo & A. Kantardjieff

author keywords: flushed swine manure; biological aerated filter; biofilter; nitrification
topics (OpenAlex): Odor and Emission Control Technologies; Wastewater Treatment and Nitrogen Removal; Constructed Wetlands for Wastewater Treatment
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Nutrient content and sludge volumes in single-cell recycle anaerobic swine lagoons in North Carolina

Transactions of the ASAE, 42(4), 1087–1093.

By: J. Bicudo, L. Safley* & P. Westerman*

topics (OpenAlex): Wastewater Treatment and Nitrogen Removal; Odor and Emission Control Technologies; Phosphorus and nutrient management
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Aeration of livestock manure slurry and lagoon liquid for odor control: a review

Applied Engineering in Agriculture, 13(2), 245–249.

By: P. Westerman* & R. Zhang*

topics (OpenAlex): Odor and Emission Control Technologies; Wastewater Treatment and Nitrogen Removal
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Water treatment and waste characterization evaluation of an intensive recirculating fish production system

Aquacultural Engineering, 16(3), 133–147.

By: J. Twarowska n, P. Westerman n & T. Losordo n

topics (OpenAlex): Water Quality Monitoring Technologies; Aquaculture Nutrition and Growth; Innovations in Aquaponics and Hydroponics Systems
TL;DR: A combination of two different technologies used for fish production was evaluated at the North Carolina State University (NCSU) Fish Barn facility, and six efficiency tests showed variability in concentrations and TAN removal rates by the biofilter. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
14. Life Below Water (Web of Science)
Source: NC State University Libraries
Added: August 6, 2018

1996 journal article

Evaluation of various biofilters in an intensive recirculating fish production facility

Transactions of the ASAE, 39(2), 723.

By: P. Westerman*, T. Losordo & M. Wildhaber

topics (OpenAlex): Water Quality Monitoring Technologies; Water Quality Monitoring and Analysis
TL;DR: Various types and combinations of biofilters were evaluated in an operating, full-scale intensive recirculating fish production facility and the efficiency of each filter in removing total ammonia nitrogen, nitrite nitrogen, and suspended solids was evaluated. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

1995 journal article

Swine-lagoon seepage in sandy soil

Transactions of the ASAE, 38(6), 1749.

By: P. Westerman*, R. Huffman & J. Feng

topics (OpenAlex): Groundwater and Isotope Geochemistry; Soil and Water Nutrient Dynamics; Groundwater flow and contamination studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

1985 journal article

SWINE LAGOON EFFLUENT APPLIED TO COASTAL BERMUDAGRASS .3. IRRIGATION AND RAINFALL RUNOFF

JOURNAL OF ENVIRONMENTAL QUALITY, 14(1), 22–25.

By: P. Westerman*, M. Overcash, R. Evans, L. King, J. Burns & G. Cummings n

topics (OpenAlex): Soil and Water Nutrient Dynamics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1983 journal article

Effects of applying swine lagoon effluent to Coastal Bermudagrass at high rates for ten years

Paper (American Society of Agricultural Engineers), (2123), 32.

By: P. Westerman, J. Burns, L. King, R. Evans & L. Safley

Source: NC State University Libraries
Added: August 6, 2018

1981 chapter

Short-term attenuation of runoff pollution potential for land-applied swine and poultry manure

In Livestock waste, a renewable resource : proceedings / 4th International Symposium on Livestock Wastes, 1980, April 15-17, 1980, Amarillo Civic Center, Amarillo, Texas (p. 289). St. Joseph, Mich.: American Society of Agricultural Engineers.

By: P. Westerman & M. Overcash

Source: NC State University Libraries
Added: August 6, 2018

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