If you made any changes in Pure, your changes will be visible here soon.

Research Output 1994 2020

1994
41 Citations (Scopus)

Correlation between Microporosity and Fractal Dimension of Bituminous Coal Based on Computer-Generated Models

Faulon, J. L., Mathews, J. P., Carlson, G. A. & Hatcher, P. G., Mar 1 1994, In : Energy and Fuels. 8, 2, p. 408-414 7 p.

Research output: Contribution to journalArticle

Microporosity
Coal
Bituminous coal
Fractal dimension
Adsorbates
1997

Influence of chemical structure on the fluidity of rapidly heated bituminous vitrinites

Mathews, J. P., Hatcher, P. G. & Scaroni, A. W., Dec 1 1997, In : ACS Division of Fuel Chemistry, Preprints. 42, 1, p. 214-216 3 p.

Research output: Contribution to journalArticle

Fluidity
Helium
Particle size
Hydrogen
Thermoplastics
24 Citations (Scopus)

Particle size dependence of coal volatile matter: Is there a non-maceral-related effect?

Mathews, J. P., Hatcher, P. G. & Scaroni, A. W., Mar 1997, In : Fuel. 76, 4, p. 359-362 4 p.

Research output: Contribution to journalArticle

Coal
Particle size
Bituminous coal
Minerals
Chemical analysis
1998
12 Citations (Scopus)

Devolatilization, a molecular modeling approach

Mathews, J. P., Hatcher, P. G. & Scaroni, A. W., Dec 1 1998, In : ACS Division of Fuel Chemistry, Preprints. 43, 1, p. 136-138 3 p.

Research output: Contribution to journalArticle

Molecular modeling
Molecular orientation
Bituminous coal
Reforming reactions
Hydrogen
1 Citation (Scopus)

Time-temperature histories of bituminous coal particles in a drop-tube reactor

Mathews, J. P., Hatcher, P. G., Eser, S., Walsh, P. M. & Scaroni, A. W., Dec 1 1998, In : ACS Division of Fuel Chemistry, Preprints. 43, 3, p. 611-613 3 p.

Research output: Contribution to journalArticle

Bituminous coal
Coal
Temperature
Coal combustion
Brick
1999
2 Citations (Scopus)

Preliminary results on the molecular structures of the Athabasca and Cold Lake asphaltenes

Mathews, J. P., Eser, S. & Parviz-Rahimi, Aug 22 1999, In : ACS Division of Fuel Chemistry, Preprints. 44, 4, p. 783-785 3 p.

Research output: Contribution to journalArticle

Asphaltenes
Molecular structure
Lakes
82 Citations (Scopus)

Simulation of nanoporous carbons: A chemically constrained structure

Acharya, M., Strano, M. S., Mathews, J. P., Billinge, S. J. L., Petkov, V., Subramoney, S. & Foley, H. C., Jan 1 1999, In : Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties. 79, 10, p. 1499-1518 20 p.

Research output: Contribution to journalArticle

Carbon
carbon
simulation
Light extinction
Neutron diffraction
14 Citations (Scopus)

Structural determinations of Pennsylvania anthracites

Pappano, P. J., Mathews, J. P. & Schobert, H. H., Dec 1 1999, In : ACS Division of Fuel Chemistry, Preprints. 44, 3, p. 567-568 2 p.

Research output: Contribution to journalArticle

Anthracite
Molecular modeling
2001

Computer tomography of laboratory generated delayed coke

Mathews, J. P., Karacan, O., Dutta, R. P., Yang, M. G. & Eser, S., Dec 1 2001, In : American Chemical Society, Division of Petroleum Chemistry, Preprints. 46, 3, p. 252-255 4 p.

Research output: Contribution to journalArticle

Coke
Tomography
27 Citations (Scopus)

Proposed model structures for Upper Freeport and Lewiston-Stockton vitrinites

Mathews, J. P., Hatcher, P. G. & Scaroni, A. W., Jul 2001, In : Energy and Fuels. 15, 4, p. 863-873 11 p.

Research output: Contribution to journalArticle

Coal
Model structures
Molecular structure
Molecular mechanics
Swelling
2002
2 Citations (Scopus)

Molecular Basis for Carbon Dioxide Sequestration in Coal

Dick, T. J., Acevedo, O., Dalal, P., Madura, J. D., Evanseck, J. D. & Mathews, J. P., Mar 1 2002, In : ACS Division of Fuel Chemistry, Preprints. 47, 1, p. 14-16 3 p.

Research output: Contribution to journalConference article

Sorption
Carbon dioxide
Coal
Molecular modeling
Bituminous coal
22 Citations (Scopus)

The non-destructive 3-D characterization of pre-baked carbon anodes using X-ray computerized tomography

Adams, A. N., Karacan, O., Grader, A., Mathews, J. P., Halleck, P. M. & Schobert, H. H., 2002, Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania). Peterson, R. (ed.). p. 535-539 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computerized tomography
Anodes
Carbon
X rays
Quality control
15 Citations (Scopus)

The use of image analysis for the optimization of pre-baked anode formulation

Adams, A. N., Mathews, J. P. & Schobert, H. H., May 6 2002, Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania). Peterson, R. (ed.). p. 547-552 6 p. (Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image analysis
Anodes
Binders
Coke
Carbon
2003
8 Citations (Scopus)

Energy conservation education for non-engineering students and the effectiveness of active learning components

Pisupati, S. V., Mathews, J. P. & Scaroni, A. W., Dec 1 2003, In : ASEE Annual Conference Proceedings. p. 12811-12819 9 p.

Research output: Contribution to journalConference article

Energy conservation
Education
Students
Washers
Ovens
106 Citations (Scopus)

Molecular size of asphaltene solubility fractions

Groenzin, H., Mullins, O. C., Eser, S., Mathews, J. P., Yang, M. G. & Jones, D., Mar 1 2003, In : Energy and Fuels. 17, 2, p. 498-503 6 p.

Research output: Contribution to journalArticle

Population distribution
Solubility
Wavelength
Depolarization
Petroleum
1 Citation (Scopus)

Online teaching of "Energy & the environment"

Mathews, J. P., Spielvogel, E., Wherley, M., DiBiase, D. & Pisupati, S. V., Dec 1 2003, In : ASEE Annual Conference Proceedings. p. 6739-6748 10 p.

Research output: Contribution to journalConference article

Teaching
Students
Problem-Based Learning
2004
4 Citations (Scopus)

An assessment of active and project based learning in energy conservation education for non-technical students

Pisupati, S. V., Mathews, J. P., DiBiase, D. & Scaroni, A. W., Oct 25 2004, In : ASEE Annual Conference Proceedings. p. 851-870 20 p.

Research output: Contribution to journalConference article

Energy conservation
Education
Students
Environmental protection
Energy conversion
2 Citations (Scopus)

Concerning the nature of coal solutions and suspensions

Painter, P., Sobkowiak, M., Mathews, J. P. & Scaroni, A., Jul 2004, In : Energy and Fuels. 18, 4, p. 1104-1107 4 p.

Research output: Contribution to journalArticle

Coal
Suspensions
Gels
Particles (particulate matter)
Molecules
2 Citations (Scopus)

For an online course encompassing "traditional campus students": How, where, and when students work and engage with the course material

Mathews, J. P., Haughton, N., Pisupati, S., Scaroni, A. W. & DiBiase, D., Dec 1 2004, In : Proceedings - Frontiers in Education Conference, FIE. 2, p. F1D-12-F1D-16

Research output: Contribution to journalConference article

Students
student
Education
general education
environmental engineering
2005
Electronic mail
Students
1 Citation (Scopus)

What online quizzing can tell us about our students

Mathews, J. P., Pisupati, S. V. & Wiesner, A., 2005, 2005 ASEE Annual Conference and Exposition, Conference Proceedings. p. 15875-15883 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Students
Analysis of variance (ANOVA)
Education
Testing
2006

Designing On-Line, General Education, Natural Science Courses, in the College of Earth and Mineral Sciences (EMS), at the Pennsylvania State University

Howell, P. R., Mathews, J. P., Pisupati, S. V., Babb, D. M. & Locklin, R. H., Jan 1 2006, EISTA 2006 - 4th Int. Conf. on Education and Information Systems: Technologies and Applications, Jointly with SOIC 2006 - 2nd Int. Conf. on SOIC and PISTA 2006 - 4th Int. Conf. on PISTA, Proceedings. International Institute of Informatics and Systemics, IIIS, Vol. 2. p. 12-17 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Natural sciences
general education
natural sciences
Minerals
Education

Institutional perspective on online education at Penn State

Mathews, J. P. & DiBiase, D., Jan 1 2006, EISTA 2006 - 4th Int. Conf. on Education and Information Systems: Technologies and Applications, Jointly with SOIC 2006 - 2nd Int. Conf. on SOIC and PISTA 2006 - 4th Int. Conf. on PISTA, Proceedings. International Institute of Informatics and Systemics, IIIS, p. 29-32 4 p. (EISTA 2006 - 4th Int. Conf. on Education and Information Systems: Technologies and Applications, Jointly with SOIC 2006 - 2nd Int. Conf. on SOIC and PISTA 2006 - 4th Int. Conf. on PISTA, Proceedings; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Education
Students
certification
education
Minerals

Optimal design for integrating co2 capture and fuel conversion technologies in A 500 MWE coal-based power plant

Soundarrajan, N., Hill, M. A., Guo, J., Chen, L. M., Dhar, V., Kim, H. J., Sundararaman, R., Mustafaoglu, O., Elsworth, D., Mathews, J. P., Pisupati, S. & Song, C., Dec 1 2006, 23rd Annual International Pittsburgh Coal Conference, PCC - Coal-Energy, Environment and Sustainable Development. (23rd Annual International Pittsburgh Coal Conference, PCC - Coal-Energy, Environment and Sustainable Development).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power plants
coal
Power plants
Coal
Power generation
1 Citation (Scopus)

Utilization of carbon dioxide from coalfired power plant for the production of value-added products

Van Niekerk, D., Markley, B., Li, Y., Rodriguez-Santiago, V., Thompson, D., Mohan, A. R., Elsworth, D., Mathews, J. P., Pisupati, S. V. & Song, C., Dec 1 2006, 23rd Annual International Pittsburgh Coal Conference, PCC - Coal-Energy, Environment and Sustainable Development. (23rd Annual International Pittsburgh Coal Conference, PCC - Coal-Energy, Environment and Sustainable Development).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power plants
carbon dioxide
Carbon dioxide
Power plants
products
2007

The nature of solvent extracts from vitrinite-rich and inertinite-rich South African bituminous coals

Van Niekerk, D. & Mathews, J. P., Dec 1 2007, 24th Annual International Pittsburgh Coal Conference 2007, PCC 2007. p. 1497-1506 10 p. (24th Annual International Pittsburgh Coal Conference 2007, PCC 2007; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

vitrinite
bituminous coal
Coal
Bituminous coal
Pyridine
15 Citations (Scopus)

The shape of pulverized bituminous vitrinite coal particles

Mathews, J. P., Eser, S., Hatcher, P. G. & Scaroni, A. W., Jan 1 2007, In : KONA Powder and Particle Journal. 25, March, p. 145-152 8 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Ceilings
Brick
Coal mines
2008
1 Citation (Scopus)
Energy conservation
Teaching
Students
Environmental protection
Animation
36 Citations (Scopus)

Improved low-volatile bituminous coal representation: Incorporating the molecular-weight distribution

Narkiewicz, M. R. & Mathews, J. P., Sep 2008, In : Energy and Fuels. 22, 5, p. 3104-3111 8 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Molecular weight distribution
Carboxylation
Helium
96 Citations (Scopus)

Structural characterization of vitrinite-rich and inertinite-rich Permian-aged South African bituminous coals

Van Niekerk, D., Pugmire, R. J., Solum, M. S., Painter, P. C. & Mathews, J. P., Dec 1 2008, In : International Journal of Coal Geology. 76, 4, p. 290-300 11 p.

Research output: Contribution to journalArticle

vitrinite
bituminous coal
Bituminous coal
Permian
Coal
2009
23 Citations (Scopus)

A novel fluidized bed drying and density segregation process for upgrading low-rank coals

Sarunac, N., Levy, E. K., Ness, M., Bullinger, C. W., Mathews, J. P. & Halleck, P. M., Nov 1 2009, In : International Journal of Coal Preparation and Utilization. 29, 6, p. 317-332 16 p.

Research output: Contribution to journalArticle

coal rank
Coal
Fluidized beds
Drying
coal
9 Citations (Scopus)

Methane and Carbon Dioxide Sorption and Transport Rates in Coal at In-situ Conditions

Pone, J. D. N., Halleck, P. M. & Mathews, J. P., Feb 1 2009, In : Energy Procedia. 1, 1, p. 3121-3128 8 p.

Research output: Contribution to journalConference article

Sorption
Carbon dioxide
Methane
Coal
Industrial emissions
37 Citations (Scopus)

Molecular exchange of ch4 and co2 in coal: Enhanced coalbed methane on a nanoscale

Tambach, T. J., Mathews, J. P. & Bergen, F. V., Oct 15 2009, In : Energy and Fuels. 23, 10, p. 4845-4847 3 p.

Research output: Contribution to journalArticle

Coal
Adsorption
Molecules
Equations of motion
Molecular dynamics
79 Citations (Scopus)

Sorption capacity and sorption kinetic measurements of CO 2 and CH 4 in confined and unconfined bituminous coal

Pone, J. D. N., Halleck, P. M. & Mathews, J. P., Sep 17 2009, In : Energy and Fuels. 23, 9, p. 4688-4695 8 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Carbon Monoxide
Sorption
Kinetics
44 Citations (Scopus)

Three-dimensional carbon dioxide-induced strain distribution within a confined bituminous coal

Pone, J. D. N., Hile, M., Halleck, P. M. & Mathews, J. P., Jan 7 2009, In : International Journal of Coal Geology. 77, 1-2, p. 103-108 6 p.

Research output: Contribution to journalArticle

bituminous coal
Bituminous coal
swelling
Carbon dioxide
carbon dioxide
23 Citations (Scopus)

Visual representation of carbon dioxide adsorption in a low-volatile bituminous coal molecular model

Narkiewicz, M. R. & Mathews, J. P., Oct 15 2009, In : Energy and Fuels. 23, 10, p. 5236-5246 11 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Carbon Dioxide
Carbon dioxide
Adsorption
2010
37 Citations (Scopus)

3D characterization of coal strains induced by compression, carbon dioxide sorption, and desorption at in-situ stress conditions

Pone, J. D. N., Halleck, P. M. & Mathews, J. P., Jun 1 2010, In : International Journal of Coal Geology. 82, 3-4, p. 262-268 7 p.

Research output: Contribution to journalArticle

in situ stress
Sorption
Desorption
desorption
Carbon dioxide
39 Citations (Scopus)

Determining the molecular weight distribution of Pocahontas No. 3 low-volatile bituminous coal utilizing HRTEM and laser desorption ionization mass spectra data

Mathews, J. P., Fernandez-Also, V., Daniel Jones, A. & Schobert, H. H., Jul 1 2010, In : Fuel. 89, 7, p. 1461-1469 9 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Molecular weight distribution
Ionization
Desorption
30 Citations (Scopus)

Dispersion of liquefaction catalysts in coal using ionic liquids

Painter, P., Cetiner, R., Pulati, N., Sobkowiak, M. & Mathews, J., May 20 2010, In : Energy and Fuels. 24, 5, p. 3086-3092 7 p.

Research output: Contribution to journalArticle

Ionic Liquids
Coal
Liquefaction
Ionic liquids
Catalysts
1 Citation (Scopus)

Dissolution and dispersion of coal in ionic liquids

Painter, P. C., Pulati, N., Cetiner, R., Sobkowiak, M., Mitchell, G. & Mathews, J. P., 2010, In : ACS National Meeting Book of Abstracts.

Research output: Contribution to journalArticle

Ionic Liquids
Coal
Ionic liquids
Dissolution
Liquefaction
75 Citations (Scopus)

Dissolution and dispersion of coal in ionic liquids

Painter, P., Pulati, N., Cetiner, R., Sobkowiak, M., Mitchell, G. D. & Mathews, J. P., Mar 18 2010, In : Energy and Fuels. 24, 3, p. 1848-1853 6 p.

Research output: Contribution to journalArticle

Ionic Liquids
Coal
Ionic liquids
Dissolution
Pyridine
80 Citations (Scopus)

Molecular representations of Permian-aged vitrinite-rich and inertinite-rich South African coals

Niekerk, D. V. & Mathews, J. P., Jan 1 2010, In : Fuel. 89, 1, p. 73-82 10 p.

Research output: Contribution to journalArticle

Coal
Molecules
Nuclear magnetic resonance
Atoms
High resolution transmission electron microscopy
11 Citations (Scopus)

Petrographic and reflectance analysis of solvent-swelled and solvent-extracted South African vitrinite-rich and inertinite-rich coals

Van Niekerk, D., Mitchell, G. D. & Mathews, J. P., Jan 7 2010, In : International Journal of Coal Geology. 81, 1, p. 45-52 8 p.

Research output: Contribution to journalArticle

vitrinite
reflectance
Coal
coal
maceral
9 Citations (Scopus)

Simulation of solvent extraction of South African vitrinite- and inertinite-rich coals

Van Niekerk, D. & Mathews, J. P., Dec 16 2010, In : Energy and Fuels. 24, 12, p. 6393-6399 7 p.

Research output: Contribution to journalArticle

Coal
Solvent extraction
Solubility
Ionization
Mass spectrometry
18 Citations (Scopus)

Solvent swelling behavior of Permian-aged South African vitrinite-rich and inertinite-rich coals

Niekerk, D. V., Halleck, P. M. & Mathews, J. P., Jan 1 2010, In : Fuel. 89, 1, p. 19-25 7 p.

Research output: Contribution to journalArticle

Coal
Swelling
Kinetic parameters
Molecular structure
Tomography
2011

Coal it's elementary my dear Watson

Mathews, J. P., Krishnamoorthy, V., Louw, E., Tchapda, A. H. N., Castro-Marcano, F., Karri, V., Alexis, D. A. & Mitchell, G. D., Dec 1 2011, 28th Annual International Pittsburgh Coal Conference 2011, PCC 2011. p. 1827-1841 15 p. (28th Annual International Pittsburgh Coal Conference 2011, PCC 2011; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal
coal
Calorific value
Helium
vitrinite
20 Citations (Scopus)

Constitution of Illinois No. 6 Argonne Premium coal: A review

Castro-Marcano, F. & Mathews, J. P., Mar 17 2011, In : Energy and Fuels. 25, 3, p. 845-853 9 p.

Research output: Contribution to journalReview article

Coal
Nuclear magnetic resonance
Bituminous coal
Molecular weight distribution
Pore structure
1 Citation (Scopus)

Deconvolving CO2-enhanced coalbed methane processes in subbituminous coals

Kumar, H., Elsworth, D., Mathews, J. P., Liu, J. & Pone, D., Dec 6 2011.

Research output: Contribution to conferencePaper

subbituminous coal
coalbed methane
Coal
coal
permeability

Fine structure evaluation of the pair correlation function with molecular slice models of the argonne premium coals

Castro-Marcano, F., Winans, R. E., Chupas, P., Chapman, K., Calo, J. M. & Mathews, J. P., Dec 1 2011, 28th Annual International Pittsburgh Coal Conference 2011, PCC 2011. p. 1520-1532 13 p. (28th Annual International Pittsburgh Coal Conference 2011, PCC 2011; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal
coal
stacking
anthracite
Anthracite
41 Citations (Scopus)

High-resolution X-ray computed tomography observations of the thermal drying of lump-sized subbituminous coal

Mathews, J. P., Pone, J. D. N., Mitchell, G. D. & Halleck, P., Jan 1 2011, In : Fuel processing technology. 92, 1, p. 58-64 7 p.

Research output: Contribution to journalArticle

Coal
Tomography
Drying
X rays
Coal preparation