Praveen Kolar

Impacts of Municipal and Industrial Organic Waste Components on the Kinetics and Potentials of Biomethane Production via Anaerobic Digestion

Qiu, Y., Lower, L., Berrio, V. R., Cunniffe, J., Kolar, P., Cheng, J., & Sagues, W. J. (2025, February 21). Waste and Biomass Valorization, Vol. 2.

Synthesis, Characterization, and Use of Magnesium-Activated Biochar for Nitrate Removal from Aqueous Solutions

Kasera, N., Paul, D., Kolar, P., Hall, S. G., Adhikari, S., Sarker, M., & Sinitskii, A. (2025, August 22). International Journal of Environmental Research.

Engineered Miscanthus Biochar Performance as a Broiler Litter Amendment

Graves, C., Sharara, M., Shah, S., Kolar, P., & Grimes, J. (2024, December 19). AgriEngineering, Vol. 6, pp. 4911–4924.

Proof-of-Concept Recirculating Air Cleaner Evaluation in a Pig Nursery

AgriEngineering, 6(4), 3686–3703.

Poultry litter physiochemical characterization based on production conditions for circular systems

Katuwal, S., Rafsan, N.-A.-S., Ashworth, A. J., & Kolar, P. (2023, April 20). BioResources.

Can Biochar Improve the Sustainability of Animal Production?

Graves, C., Kolar, P., Shah, S., Grimes, J., & Sharara, M. (2022, May 17). Applied Sciences.

Effect of Surface Modification by Oxygen-Enriched Chemicals on the Surface Properties of Pine Bark Biochars

Kasera, N., Augoustides, V., Kolar, P., Hall, S. G., & Vicente, B. (2022, October 20). Processes, Vol. 10.

Nitrogen-doped biochars as adsorbents for mitigation of heavy metals and organics from water: a review

Kasera, N., Kolar, P., & Hall, S. G. (2022, March 8). Biochar, Vol. 4.

Simultaneous Reduction of Thermal Stratification and Ammonia Concentrations in Poultry House During Brooding and in Cool Weather

Shah, S. B., Earnest, K., Oviedo-Rondón, E. O., Kolar, P., & Singletary, I. (2022, January 1). Applied Engineering in Agriculture, Vol. 38, pp. 375–386.

A review of the impact of environmental factors on the fate and transport of coronaviruses in aqueous environments

Paul, D., Kolar, P., & Hall, S. G. (2021, January 29). Npj Clean Water, Vol. 4.

Characterization data of N-doped biochars using different external nitrogen precursors

Kasera, N., Hall, S., & Kolar, P. (2021, February 15). Data in Brief, Vol. 35.

Effect of surface modification by nitrogen-containing chemicals on morphology and surface characteristics of N-doped pine bark biochars

Kasera, N., Hall, S., & Kolar, P. (2021, February 5). Journal of Environmental Chemical Engineering, Vol. 9, p. 105161.

Exploratory analysis of Spirulina platensis LB 2340 growth in varied concentrations of anaerobically digested pig effluent (ADPE)

Baker, M., Blackman, S., Cooper, E., Smartt, K., Walser, D., Boland, M., … Chinn, M. S. (2021, September 1). Heliyon, Vol. 9.

Pretreatment of Switchgrass for Production of Glucose via Sulfonic Acid-Impregnated Activated Carbon

Ansanay, Y., Kolar, P., Sharma-Shivappa, R., Cheng, J., & Arellano, C. (2021, March 11). Processes, Vol. 9.

Recycled eggshells as precursors for iron-impregnated calcium oxide catalysts for partial oxidation of methane

Karoshi, G., Kolar, P., Shah, S. B., & Gilleskie, G. (2020, August 17). Bioresources and Bioprocessing, Vol. 7.

Baseline characterization data for raw rice husk

Kolar, P., & Jin, H. (2019, July 16). Data in Brief.

Effect of Enzyme Interaction with Lignin Isolated from Pretreated Miscanthus × giganteus on Cellulolytic Efficiency

Jung, W., Sharma-Shivappa, R., & Kolar, P. (2019, October 16). Processes.

Effect of Sodium Hydroxide Pretreatment on Lignin Monomeric Components of Miscanthus × giganteus and Enzymatic Hydrolysis

Jung, W., Savithri, D., Sharma-Shivappa, R., & Kolar, P. (2019, October 28). Waste and Biomass Valorization.

Effect of cellulolytic enzyme binding on lignin isolated from alkali and acid pretreated switchgrass on enzymatic hydrolysis

Jung, W., Sharma-Shivappa, R., Park, S., & Kolar, P. (2019, November 23). 3 Biotech, Vol. 10.

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

Hess, B. J., Kolar, P., Classen, J. J., Knappe, D., & Cheng, J. J. (2019, May 25). International Journal of Environmental Research, Vol. 13, pp. 613–622.

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

Data in Brief, 26, 104356.

Valorization of Eggshell Waste into Supported Copper Catalysts for Partial Oxidation of Methane

Karoshi, G., Kolar, P., Shah, S. B., & Gilleskie, G. (2019, November 27). International Journal of Environmental Research.

Valorization of Swine Manure into Hydrochars

Processes, 7(9), 560.

Changes in Lignin Chemistry of Switchgrass due to Delignification by Sodium Hydroxide Pretreatment

Jung, W., Savithri, D., Sharma-Shivappa, R., & Kolar, P. (2018, February 6). Energies.

A novel oxidative destruction of lignin and enzymatic digestibility of hazelnut shells

Biocatalysis and Agricultural Biotechnology, 13, 110–115.

Pre-treatment of biomasses using magnetised sulfonic acid catalysts

Journal of Agricultural Engineering, 48(2), 117–122.

Simultaneous mitigation of p- cresol and ammonium using activated carbon from avocado seed

Environmental Technology & Innovation, 9, 63–73.

Thermochemical Conversion: A Prospective Swine Manure Solution for North Carolina

Lentz, Z. A., Classen, J., & Kolar, P. (2017, January 1). Transactions of the ASABE, Vol. 60, pp. 591–600.

Avocado seed-derived activated carbon for mitigation of aqueous ammonium

Industrial Crops and Products, 92, 34–41.

Catalytic Valorization of Lignin Using Niobium Oxide

Das, L., Kolar, P., Sharma-Shivappa, R., Classen, J. J., & Osborne, J. A. (2016, October 19). Waste and Biomass Valorization, Vol. 8, pp. 2673–2680.

Eggshell as an inexpensive adsorbent for removal of p-Cresol

Transactions of the ASABE, 59(3), 965–974.

Investigation of adsorption of p -cresol on coconut shell-derived activated carbon

Zhu, Y., & Kolar, P. (2016, September 29). Journal of the Taiwan Institute of Chemical Engineers.

Biofiltration of Ammonia and GHGs from Swine Gestation Barn Pit Exhaust

Transactions of the ASABE, 58(3), 771–782.

Calcined eggshell as an inexpensive catalyst for partial oxidation of methane

Karoshi, G., Kolar, P., Shah, S. B., Gilleskie, G., & Das, L. (2015, June 18). Journal of the Taiwan Institute of Chemical Engineers, Vol. 57, pp. 123–128.

Adsorptive removal of p-cresol using coconut shell-activated char

Journal of Environmental Chemical Engineering, 2(4), 2050–2058.

Swine manure char as an adsorbent for mitigation of p‐cresol

Fitzgerald, S., Kolar, P., Classen, J., Boyette, M., & Das, L. (2014, April 4). Environmental Progress & Sustainable Energy, Vol. 34, pp. 125–131.

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

Das, L., Kolar, P., Classen, J. J., & Osborne, J. A. (2013, January 16). Industrial Crops and Products, Vol. 45, pp. 215–222.

Hydrolysis of ozone pretreated energy grasses for optimal fermentable sugar production

Panneerselvam, A., Sharma-Shivappa, R. R., Kolar, P., Clare, D. A., & Ranney, T. (2013, August 26). Bioresource Technology, Vol. 148, pp. 97–104.

Niobium oxide catalyst for delignification of switchgrass for fermentable sugar production

Ansanay, Y., Kolar, P., Sharma-Shivappa, R. R., & Cheng, J. J. (2013, December 22). Industrial Crops and Products, Vol. 52, pp. 790–795.

Potential of ozonolysis as a pretreatment for energy grasses

Panneerselvam, A., Sharma-Shivappa, R. R., Kolar, P., Ranney, T., & Peretti, S. (2013, August 30). Bioresource Technology, Vol. 148, pp. 242–248.

Producing biodiesel from cottonseed oil using Rhizopus oryzae ATCC #34612 whole cell biocatalysts: Culture media and cultivation period optimization

Energy for Sustainable Development, 17(4), 331–336.

Synthesis of solid acid catalyst from tobacco stalk for esterification of oleic acid

Applied Engineering in Agriculture, 29(3), 385–389.

Advanced Oxidation of Toluene Using Ni-Olivine Catalysts: Part 2. Toluene Oxidation Kinetics and Mechanism of Ni-Olivine Catalysts Synthesized via Electroless Deposition and Thermal Impregnation

Transactions of the ASABE, 55(6), 2273–2283.

Advanced oxidation of toluene using Ni-olivine catalysts: Part 1. syntheses, characterization, and evaluation of Ni-olivine catalysts for toluene oxidation

Transactions of the ASABE, 55(3), 1013–1024.

Aromatization of n-octane over Pd/C catalysts

Yin, M., Natelson, R. H., Campos, A. A., Kolar, P., & Roberts, W. L. (2012, July 7). Fuel.

Efficient Temperature Control in Recirculating Aquaculture Tanks

Saidu, N. M. M., Hall, N. S. G., Kolar, N. P., Schramm, N. R., & Davis, N. T. (2012, January 1). Applied Engineering in Agriculture.

Evaluation of additive for reducing gaseous emissions from swine waste

Agricultural Engineering International: CIGR Journal, 14(2), 10–20.

Feasibility of extracting ammonia from broiler litter and scale-up considerations

Applied Engineering in Agriculture, 28(4), 577–582.

Adsorption of Ammonia on Ozonated Activated Carbon

Love, N. C. D., Kolar, N. P., Classen, N. J. J., & Das, N. L. (2011, January 1). Transactions of the ASABE, Vol. 54, pp. 1931–1940.

KI-impregnated oyster shell as a solid catalyst for soybean oil transesterification

Jairam, S., Kolar, P., Sharma-Shivappa, R., Osborne, J. A., & Davis, J. P. (2011, October 24). Bioresource Technology.

Low-temperature catalytic oxidation of aldehyde mixtures using wood fly ash: Kinetics, mechanism, and effect of ozone

Kolar, P., & Kastner, J. R. (2010, January 13). Chemosphere.

Catalytic ozonation of ammonia using biomass char and wood fly ash

Chemosphere, 75(6), 739–744.

Room-Temperature Oxidation of Propanal Using Catalysts Synthesized by Electrochemical Deposition

Kolar, N. P., & Kastner, N. J. R. (2009, January 1). Transactions of the ASABE.

Catalytic Ozonation of Propanal Using Wood Fly Ash and Metal Oxide Nanoparticle Impregnated Carbon

Environmental Science & Technology, 42(2), 556–562.

Low temperature catalytic oxidation of aldehydes using wood fly ash and molecular oxygen

Applied Catalysis B: Environmental, 76(3-4), 203–217.