Works (62)

Updated: March 28th, 2024 13:12

2024 journal article

Pathways to sustainable transitions in a complex agricultural system: a case study of swine waste management in North Carolina

FRONTIERS IN SUSTAINABLE FOOD SYSTEMS, 7.

By: A. Deviney n, J. Classen nโ€‰ & J. Bruce n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: agriculture; complex systems modeling; fuzzy cognitive mapping; lagoon and sprayfield; multilevel perspective theory; swine waste management
Sources: Web Of Science, ORCID
Added: February 19, 2024

2023 journal article

A methodology for using a multilevel perspective framework to analyze complex systems

Methodological Innovations, 3, 205979912311602.

By: A. Devineyโ€‰ n, J. Classen nโ€‰ & J. Bruce n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: ORCID, Crossref
Added: March 16, 2023

2023 journal article

Impacts of utilizing swine lagoon sludge as a composting ingredient

Journal of Environmental Management, 327, 116840.

By: P. Patil n, M. Sharara nโ€‰, S. Shah nโ€‰, S. Kulesza nโ€‰ & J. Classen nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: GHG Emissions; Water extractable; Phosphorus; Zinc; Copper; North Carolina
MeSH headings : Animals; Swine; Composting; Sewage; Soil; Metals; Nitrogen; Manure
Sources: Web Of Science, ORCID, Crossref
Added: November 26, 2022

2023 journal article

Phosphorus sustainability through coordinated stakeholder engagement: a perspective

Environment Systems and Decisions, 2.

By: A. Devineyโ€‰ n, K. Grieger nโ€‰, A. Merckโ€‰ n, J. Classen nโ€‰ & A. Marshall*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Crossref, ORCID
Added: March 30, 2023

2022 review

ADDRESSING NUTRIENT IMBALANCES IN ANIMAL AGRICULTURE SYSTEMS

[Review of ]. JOURNAL OF THE ASABE, 65(2), 235โ€“249.

By: M. Sharara*โ€‰, R. Kolesch, E. Cortus, R. Larson, J. Classen*โ€‰ & K. Janni

author keywords: Farm scale; Livestock; Manure nutrients; Nutrient budget; Poultry; Regional scale
Sources: Web Of Science, ORCID
Added: January 3, 2023

2022 journal article

Impacts of Air Velocity Treatments under Summer Condition: Part Iโ€”Heavy Broilerโ€™s Surface Temperature Response

Animals, 12(3), 328.

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: heavy broiler; heat stress; surface temperature; air velocity; temperature humidity index
Sources: ORCID, Web Of Science, Crossref
Added: February 2, 2022

2022 journal article

Impacts of Air Velocity Treatments under Summer Conditions: Part IIโ€”Heavy Broilerโ€™s Behavioral Response

Animals, 12(9), 1050.

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: heavy broiler; heat stress; air velocity; behavior
Sources: ORCID, Web Of Science, Crossref
Added: April 21, 2022

2022 journal article

Means, motive, and opportunity

Elementa: Science of the Anthropocene, 10(1).

By: K. Birdโ€‰*, V. Nicholsโ€‰*, E. Garayโ€‰*, M. Nowatzkeโ€‰*, C. Essary*, K. Postโ€‰*, A. Deviney n, J. Welles n ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Stakeholder analysis; FEWS; Environmental sustainability; Transdisciplinary research; Stakeholder engagement; Livestock production
Sources: Web Of Science, ORCID, Crossref
Added: July 11, 2022

2022 journal article

Performance of a Thermodynamic Model for Predicting Inorganic Aerosols in the Southeastern U.S.

Atmosphere, 13(12), 1977.

By: B. Chengโ€‰ n, L. Wang-Liโ€‰ n, J. Classen nโ€‰ & P. Bloomfield n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: gas-particle partitioning; inorganic PM2.5; thermodynamic equilibrium
Sources: ORCID, Web Of Science, Crossref
Added: November 29, 2022

2021 journal article

Partitioning of NH3-NH4+ in the Southeastern U.S.

Atmosphere, 12(12), 1681.

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: inorganic PM; (2 5); precursor gas; thermodynamic equilibrium modeling
Sources: ORCID, Web Of Science, Crossref
Added: December 16, 2021

2021 journal article

Socio-Economic and Governance Conditions Corresponding to Change in Animal Agriculture: South Dakota Case Study

Sustainability, 13(19), 10682.

By: J. Welles n, N. Sorianoโ€‰*, F. Dorbuโ€‰*, G. Pereiraโ€‰*, L. Rubeck*, E. Timmermans*, B. Ndayambajeโ€‰*, A. Deviney n ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Qualitative Comparative Analysis (QCA); livestock; South Dakota; Boolean logic; socioeconomic; sustainable agriculture; decision-making; rural development
Sources: ORCID, Web Of Science, Crossref
Added: September 28, 2021

2021 journal article

Spatial and temporal variations of atmospheric chemical condition in the Southeastern U.S.

Atmospheric Research, 248, 105190.

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: AFOs NH3 emissions; Chemical condition; Precursor gases; Secondary inorganic PM2.5
Sources: Web Of Science, ORCID, Crossref
Added: January 11, 2021

2020 journal article

Sustainable Swine Manure Management: A Tale of Two Agreements

Sustainability, 13(1), 15.

By: A. Devineyโ€‰ n, J. Classen nโ€‰, J. Bruce n & M. Sharara nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: case study; industrial agriculture; swine manure; multi-level perspective theory; sustainability; systems thinking
Sources: ORCID, Crossref
Added: December 25, 2020

2019 journal article

Effects of Co-occurring Species Present in Swine Lagoons on Adsorption of Copper on Eggshell

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH, 13(4), 613โ€“622.

By: B. Hess n, P. Kolar n, J. Classen nโ€‰, D. Knappe nโ€‰ & J. Cheng nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Adsorption; Eggshell; Copper; Swine lagoons; Acetate; Ammonia
Sources: Web Of Science, ORCID
Added: July 15, 2019

2019 journal article

Physicochemical data of p-cresol, butyric acid, and ammonia

Data in Brief, 26, 104356.

By: P. Kolar n, J. Classen nโ€‰ & S. Hall nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: P. Kolar n, J. Classen nโ€‰ & S. Hall nโ€‰

author keywords: Butyric acid; p-cresol; Ammonia; Indole; Density functional theory
Sources: Web Of Science, ORCID, Crossref
Added: November 25, 2019

2019 journal article

Spatial and temporal variations of PM2.5 mass closure and inorganic PM2.5 in the Southeastern U.S.

Environmental Science and Pollution Research, 26(32), 33181โ€“33191.

By: B. Chengโ€‰ n, L. Wang-Liโ€‰ n, N. Meskhidzeโ€‰ n, J. Classen nโ€‰ & P. Bloomfield n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: B. Chengโ€‰ n, L. Wang-Liโ€‰ n, N. Meskhidzeโ€‰ n, J. Classen nโ€‰ & P. Bloomfield n

author keywords: Chemical compositions; Gas-particle partitioning; Inorganic aerosols; Mass closure; PM2.5; Spatiotemporal variations
MeSH headings : Aerosols / analysis; Air Pollutants / analysis; Air Pollution / analysis; Air Pollution / statistics & numerical data; Ammonia / analysis; Animals; Environmental Monitoring; Nitrogen Oxides / analysis; Particulate Matter / analysis; Southeastern United States; Sulfur Dioxide / analysis
Sources: Crossref, ORCID
Added: December 24, 2019

2019 journal article

The Development of the INFEWS-ER: A Virtual Resource Center for Transdisciplinary Graduate Student Training at the Nexus of Food, Energy, and Water

Frontiers in Environmental Science, 7.

By: L. Rodrรญguez*, A. Marshall*, D. Cotton*, R. Koelsch*, J. Kozielโ€‰*, D. Meyer*, D. Steward*, J. Heemstra* ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: collaborative learning; pedagogy; convergence research; divergent thinking; team-based learning; online education; active learning; wicked problems
Sources: Web Of Science, ORCID, Crossref
Added: May 6, 2019

2019 journal article

Valorization of Swine Manure into Hydrochars

Processes, 7(9), 560.

By: Z. Lentz n, P. Kolar n & J. Classen nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: swine manure; valorization; char; hydrothermal carbonization; characterization
Sources: Web Of Science, ORCID, Crossref
Added: October 28, 2019

2018 journal article

Evaluation of Waste Eggshells for Adsorption of Copper from Synthetic and Swine Wastewater

Transactions of the ASABE, 61(3), 967โ€“976.

By: B. Hess, P. Kolar, J. Classen*โ€‰, D. Knappe*โ€‰ & J. Cheng*โ€‰

author keywords: Adsorption; Copper; Eggshell; Swine lagoon; Water
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Approaches to agricultural innovation and their effectiveness

AIMS Agriculture and Food, 2(4), 370โ€“373.

By: E. L. Kick, K. Zering*โ€‰ & J. Classen nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Catalytic Valorization of Lignin Using Niobium Oxide

WASTE AND BIOMASS VALORIZATION, 8(8), 2673โ€“2680.

By: L. Das n, P. Kolar n, R. Sharma-Shivappa n, J. Classen nโ€‰ & J. Osborne n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Lignin; Catalytic oxidation; Niobium oxide; Vanillin; Lattice oxygen
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Oxidative Depolymerization of Lignin Using Supported Niobium Catalysts

ChemEngineering, 1(2), 17.

By: L. Das n, P. Kolar n, R. Sharma-Shivappa n, J. Classen nโ€‰ & J. Osborneโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Crossref, ORCID
Added: March 30, 2023

2017 journal article

THERMOCHEMICAL CONVERSION: A PROSPECTIVE SWINE MANURE SOLUTION FOR NORTH CAROLINA

TRANSACTIONS OF THE ASABE, 60(3), 591โ€“600.

By: Z. Lentz*, J. Classen*โ€‰ & P. Kolar*

author keywords: Energy; Gases; Hydrothermal carbonization; Hydrothermal gasification; Pig manure; Pigs; Sustainable
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Modeling the Growth of Archaeon Halobacterium halobium Affected by Temperature and Light

Applied Biochemistry and Biotechnology, 181(3), 1080โ€“1095.

By: H. Lu n, W. Yuan nโ€‰, J. Cheng nโ€‰, R. Rose nโ€‰, J. Classen nโ€‰ & O. Simmons n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Halobacterium holobium; Sigmoidal model; Temperature effect; Light intensity effect; Bacteriorhodopsin
MeSH headings : Halobacterium salinarum / growth & development; Hot Temperature; Light; Models, Biological
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2016 journal article

Selective Oxidation of Lignin into Aromatic Aldehydes Using Niobium Oxalate

Transactions of the ASABE, 59(2), 727โ€“735.

John Classen

Sources: Crossref, ORCID
Added: March 31, 2023

2016 journal article

Size Distributions of Bioaerosols in an Egg Production Facility and Its Vicinity

ENVIRONMENTAL ENGINEERING SCIENCE, 33(4), 215โ€“223.

By: D. Hu n, L. Wang-Liโ€‰ n, O. Simmons n, J. Classen nโ€‰ & J. Osborne n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: D. Hu n, L. Wang-Liโ€‰ n, O. Simmons n, J. Classen nโ€‰ & J. Osborne n

author keywords: size distribution; animal feeding operation; bacteria; bioaerosol; fungi
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

World geography and power, national capitals, and inequality as cross-national causes of food security and environmental outcomes

AIMS Agriculture and Food, 1(4), 419โ€“438.

By: E. Kick, M. Balcazar Tellez, G. Thompson & J. Classen nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Crossref, ORCID
Added: March 31, 2023

2015 journal article

Spatiotemporal Variations of Bioaerosols in the Vicinity of an Animal Feeding Operation Facility in the US

Journal of Environmental Protection, 06(06), 614โ€“627.

By: D. Hu, L. Wang-Li, O. Simmons III, J. Classen*โ€‰ & J. Osborne

Sources: Crossref, ORCID
Added: February 12, 2021

2015 journal article

Swine Manure Char as an Adsorbent for Mitigation of p-Cresol

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY, 34(1), 125โ€“131.

By: S. Fitzgerald n, P. Kolar n, J. Classen nโ€‰, M. Boyetteโ€‰ n & L. Das n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: swine manure; gasification; char; adsorption; p-cresol
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Bioaerosol concentrations and emissions from tunnel-ventilated high-rise layer houses in North Carolina

Transactions of the ASABE, 57(3), 915โ€“925.

By: D. Hu, L. Wang-Li, O. Simmons, J. Classenโ€‰, J. Osborne & G. Byfield

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

2014 journal article

Drying temperature - duration impacts on moisture, carbon, and nitrogen losses from broiler litter

Agricultural Engineering International: CIGR Journal, 16(4), 16โ€“23.

By: W. Liang, S. Shahโ€‰, J. Classenโ€‰ & R. Sharma-Shivappa

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

2013 journal article

A centrifuge-based procedure for suspended solids measurements in lagoon sludge

Transactions of the ASABE, 56(2), 747โ€“752.

By: J. Classenโ€‰, W. Chandler, R. Huie & J. Osborne

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

2013 journal article

Adsorbents from pine wood via K2CO3-assisted low temperature carbonization for adsorption of p-cresol

INDUSTRIAL CROPS AND PRODUCTS, 45, 215โ€“222.

By: L. Das n, P. Kolar n, J. Classen nโ€‰ & J. Osborne n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Adsorption; p-Cresol; Pine wood; Kinetics; Isotherms; RSM
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Ammonia Fate and Transport Mechanisms in Broiler Litter

Water, Air, & Soil Pollution, 225(1).

By: W. Liang*, J. Classen nโ€‰, S. Shah nโ€‰ & R. Sharma-Shivappa n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Poultry litter; Ammonia sorption; Dissociation constant; Henry's Law constant
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2013 journal article

Modeling Ammonium Adsorption on Broiler Litter and Cake

WATER AIR AND SOIL POLLUTION, 224(2).

By: W. Liang*, S. Shah nโ€‰, J. Classen nโ€‰ & R. Sharma-Shivappa n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Desorption; Langmuir isotherm; Freundlich isotherm; Temkin isotherm; Linear isotherm; Redlich-Peterson isotherm; Toth isotherm; Linear regression; Nonlinear regression; Error functions
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Adsorption of p-cresol on granular activated carbon

Agricultural Engineering Institute: CIGR Journal, 14(4), 37โ€“49.

By: L. Das, P. Kolar, J. Osborne & J. Classenโ€‰

Source: NC State University Libraries
Added: April 21, 2023

2012 chapter

Agricultural Waste Management Systems and Software Tools

In uis F. Marmolejo Rebellon (Ed.), Waste Management - An Integrated Vision.

By: J. Classen*โ€‰ & H. Lal

Ed(s): u. Marmolejo Rebellon

Sources: Crossref, ORCID
Added: March 31, 2023

2011 journal article

Adsorption of ammonia on ozonated activated carbon

Transactions of the ASABE, 54(5), 1931โ€“1940.

By: C. Love*, P. Kolar*, J. Classen*โ€‰ & L. Das*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 journal article

Design and evaluation of a discreet sampler for waste treatment lagoons

Applied Engineering in Agriculture, 27(6), 1007โ€“1014.

By: J. Classen*โ€‰, J. Rice*, J. McNeill & O. Simmons

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 journal article

Evaluating the effects of organic carbon on biological filtration performance in a large scale recirculating aquaculture system

AQUACULTURAL ENGINEERING, 44(1), 10โ€“18.

By: T. Guerdat n, T. Losordo n, J. Classen nโ€‰, J. Osborne n & D. DeLong n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Biological filtration; Organic carbon; Nitrification; Recirculating aquaculture
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

An evaluation of commercially available biological filters for recirculating aquaculture systems

AQUACULTURAL ENGINEERING, 42(1), 38โ€“49.

By: T. Guerdat n, T. Losordo n, J. Classen nโ€‰, J. Osborne n & D. DeLong n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Biological filtration; Nitrification performance; Recirculating aquaculture systems
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

The effects of vermicompost on field turnips and rainfall runoff

Compost Science & Utilization, 15(1), 34โ€“39.

By: J. Classen nโ€‰, J. Rice n & R. Sherman n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2005 journal article

Role of internal nutrient storage in duckweed growth for swine wastewater treatment

Transactions of the ASAE, 48(6), 2247โ€“2258.

By: S. Chaiprapat, J. Cheng*โ€‰, J. Classen*โ€‰ & S. Liehr*

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

2003 journal article

Modeling Nitrogen Transport in Duckweed Pond for Secondary Treatment of Swine Wastewater

Journal of Environmental Engineering, 129(8), 731โ€“739.

By: S. Chaiprapatโ€‰*, J. Chengโ€‰ n, J. Classen nโ€‰, J. Ducoste nโ€‰ & S. Liehr n

co-author countries: Thailand ๐Ÿ‡น๐Ÿ‡ญ United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Chaiprapatโ€‰*, J. Cheng nโ€‰, J. Classen nโ€‰, J. Ducoste nโ€‰ & S. Liehr n

Sources: NC State University Libraries, ORCID, Crossref
Added: August 6, 2018

2002 journal article

Nutrient recovery from swine lagoon water by Spirodela punctata

BIORESOURCE TECHNOLOGY, 81(1), 81โ€“85.

By: J. Cheng nโ€‰, B. Bergmann nโ€‰, J. Classen nโ€‰, A. Stomp n & J. Howard n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: duckweed; Lemnaceae; nitrogen; nutrient recovery; phosphorus; Spirodela punctata; swine lagoon water; wastewater
MeSH headings : Animals; Magnoliopsida / physiology; Phosphorus / analysis; Phosphorus / metabolism; Proteins / analysis; Proteins / metabolism; Quaternary Ammonium Compounds / metabolism; Swine; United States; Water Purification / methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Nutrient removal from swine lagoon liquid by Lemna minor 8627

Transactions of the ASAE, 45(4), 1003โ€“1010.

By: J. Cheng*โ€‰, L. Landesman*, B. Bergmann*โ€‰, J. Classen*โ€‰, J. Howard* & Y. Yamamoto*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2002 conference paper

Role of internal nutrient storage in duckweed for secondary swine wastewater treatment

Paper, 2002 ASAE annual international meeting/CIGR XVth world congress : Hyatt Regency Chicago, Chicago, Illinois, USA, July 28 - July 31, 2002, 2, 4130.

By: S. Chaiprapat, J. Chengโ€‰, J. Classenโ€‰ & S. Liehr

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

2001 journal article

Aspergillus niger absorbs copper and zinc from swine wastewater

BIORESOURCE TECHNOLOGY, 77(1), 41โ€“49.

By: M. Price n, J. Classen nโ€‰ & G. Payne n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: copper; zinc; bioremediation; wastewater; absorption; fungi; Aspergillus niger
MeSH headings : Animals; Aspergillus niger / metabolism; Biodegradation, Environmental; Copper / metabolism; Copper / pharmacokinetics; Dose-Response Relationship, Drug; Saccharomyces cerevisiae / metabolism; Swine; Waste Disposal, Fluid / methods; Waste Products; Zinc / metabolism
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 conference paper

Duckweed harvesting and mat control

ASAE 94th annual international meeting : 2001, an engineering odyssey : July 29-August 1, 2001, Sacramento, California, 1, 2277.

By: R. Smith, J. Cheng*โ€‰ & J. Classen*โ€‰

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2001 conference paper

Modeling nitrogen transfer in duckweed covered pond for secondary treatment of swine wastewater

Proceedings of the International Symposium Addressing Animal Production and Environmental Issues.

By: S. Chaiprapat, J. Chengโ€‰, J. Classenโ€‰ & S. Liehr

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

2000 journal article

A logistic model of subsurface fungal growth with application to bioremediation

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 35(4), 465โ€“488.

By: J. Classen*โ€‰, C. Engler*, C. Kenerley* & A. Whittaker*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: logistic model; fungal growth; subsurface growth; ergosterol
Sources: Web Of Science, ORCID
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), 111โ€“117.

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

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2000 journal article

In vitro selection of duckweed geographical isolates for potential use in swine lagoon effluent renovation

BIORESOURCE TECHNOLOGY, 73(1), 13โ€“20.

By: B. Bergmann nโ€‰, J. Cheng nโ€‰, J. Classen nโ€‰ & A. Stomp n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: duckweed; growth; Lemnaceae; Lemna gibba; Lemna minor; protein production; Spirodela punctata; swine waste; Wolffia; Wolffiella
Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 conference paper

Lemna gibba growth and nutrient uptake in response to different nutrient levels

Animal, agricultural, and food processing wastes : proceedings of the Eighth International Symposium, October 9-11, 2000, Des Moines, Iowa.

By: J. Classenโ€‰, J. Chengโ€‰, B. Bergmannโ€‰ & A. Stomp

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

2000 journal article

Mechanisms of dinitrogen gas formation in anaerobic lagoons

Advances in Environmental Research, 4(2), 133โ€“139.

By: M. Jonesโ€‰ n, S. Liehr n, J. Classen nโ€‰ & W. Robarge n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2000 journal article

Nutrient removal from swine lagoon effluent by duckweed

Transactions of the ASAE, 43(2), 263โ€“269.

By: J. Cheng*โ€‰, A. Stomp*, J. Classen*โ€‰, J. Barker & B. Bergmann*โ€‰

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2000 conference paper

Nutrient removal from swine wastewater by duckweed - Spirodela punctata

Industrial wastewater and envrironmental contaminants : proceedings of the 1st World Water Congress of the International Water Association, held in Paris, France, 3-7 July 2000, 1.

By: J. Chengโ€‰, B. Bergmannโ€‰, J. Classenโ€‰, A. Stomp & J. Howard

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

1999 journal article

Effects of aeration cycles and hydraulic retention time on the sequencing batch treatment of flushed swine manure

Advances in Environmental Research, 3(1), U5โ€“73.

By: J. Bicudo, J. Classenโ€‰, C. Goldsmith & T. Smith

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

1996 journal article

Fractal analysis of subsurface growth of a genetically modified strain of Gliocladium virens and its parental strain

Transactions of the ASAE, 39(6), 2271.

By: J. Classen*โ€‰, W. Liu, C. Kenerley & A. Whittaker

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

1993 journal article

Vegetable processing energy requirements

Arkansas Farm Research, 42(2), 8โ€“9.

By: J. Classenโ€‰, T. Siebenmorgen & C. Griffis

Source: NC State University Libraries
Added: April 21, 2023

1992 journal article

Technical Notes: Processing Energy Requirements for Several Vegetables

Transactions of the ASAE, 35(3), 973โ€“974.

By: J. Classen*โ€‰, T. Siebenmorgen, C. Griffis & J. Young

Sources: Crossref, ORCID
Added: March 31, 2023

1991 journal article

ANAEROBIC DIGESTION OF HOMINY WASTE

Transactions of the ASAE, 34(3), 0937โ€“0943.

By: J. Classen*โ€‰, T. Siebenmorgen, C. Griffis & J. Young

Sources: Crossref, ORCID
Added: March 31, 2023

Employment

Updated: March 26th, 2020 14:49

1995 - present

North Carolina State University Raleigh, NC, US
Associate Professor / Director of Graduate Programs Biological and Agricultural Engineering

Education

Updated: March 26th, 2020 14:50

1990 - 1994

Texas A&M University College Station, Texas, US
PhD Agricultural Engineering

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