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Nicola Wagner
Nicola Wagner
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Classification of liptinite–ICCP System 1994
W Pickel, J Kus, D Flores, S Kalaitzidis, K Christanis, BJ Cardott, ...
International Journal of Coal Geology 169, 40-61, 2017
5972017
On the fundamental difference between coal rank and coal type
JMK O'Keefe, A Bechtel, K Christanis, S Dai, WA DiMichele, CF Eble, ...
International Journal of Coal Geology 118, 58-87, 2013
3332013
Raman spectroscopy for the analysis of coal: a review
S Potgieter‐Vermaak, N Maledi, N Wagner, JHP Van Heerden, ...
Journal of Raman Spectroscopy 42 (2), 123-129, 2011
3032011
The occurrence of potentially hazardous trace elements in five Highveld coals, South Africa
NJ Wagner, B Hlatshwayo
International Journal of Coal Geology 63 (3-4), 228-246, 2005
1862005
Elemental and mineralogical anomalies in the coal-hosted Ge ore deposit of Lincang, Yunnan, southwestern China: Key role of N2–CO2-mixed hydrothermal solutions
S Dai, P Wang, CR Ward, Y Tang, X Song, J Jiang, JC Hower, T Li, ...
International Journal of Coal Geology 152, 19-46, 2015
1682015
Gaseous emissions and sublimates from the Truman Shepherd coal fire, Floyd County, Kentucky: a re-investigation following attempted mitigation of the fire
JC Hower, JMK O'Keefe, KR Henke, NJ Wagner, G Copley, DR Blake, ...
International Journal of Coal Geology 116, 63-74, 2013
1312013
Gaseous emissions and sublimates from the Truman Shepherd coal fire, Floyd County, Kentucky: a re-investigation following attempted mitigation of the fire
JC Hower, JMK O'Keefe, KR Henke, NJ Wagner, G Copley, DR Blake, ...
International Journal of Coal Geology 116, 63-74, 2013
1312013
Characterization of unburned carbon present in coarse gasification ash
NJ Wagner, RH Matjie, JH Slaghuis, JHP Van Heerden
Fuel 87 (6), 683-691, 2008
1172008
Investigation into the evolution of char structure using Raman spectroscopy in conjunction with coal petrography; Part 1
VP Chabalala, N Wagner, S Potgieter-Vermaak
Fuel Processing Technology 92 (4), 750-756, 2011
1132011
A CO2 capture technology using multi-walled carbon nanotubes with polyaspartamide surfactant
JM Ngoy, N Wagner, L Riboldi, O Bolland
Energy Procedia 63, 2230-2248, 2014
1042014
Geochemistry of ultra-fine and nano-compounds in coal gasification ashes: a synoptic view
MA Kronbauer, M Izquierdo, S Dai, FB Waanders, NJ Wagner, ...
Science of the total environment 456, 95-103, 2013
1022013
Distribution of selected trace elements in density fractionated Waterberg coals from South Africa
NJ Wagner, MT Tlotleng
International Journal of Coal Geology 94, 225-237, 2012
832012
Rare earth elements in select Main Karoo Basin (South Africa) coal and coal ash samples
NJ Wagner, A Matiane
International Journal of Coal Geology 196, 82-92, 2018
772018
An investigation of Wulantuga coal (Cretaceous, Inner Mongolia) macerals: paleopathology of faunal and fungal invasions into wood and the recognizable clues for their activity
JC Hower, JMK O'Keefe, NJ Wagner, S Dai, X Wang, W Xue
International Journal of Coal Geology 114, 44-53, 2013
642013
Coal gasification
NJ Wagner, M Coertzen, RH Matjie, JC van Dyk
Applied coal petrology, 119-144, 2008
612008
Structural analysis of chars generated from South African inertinite coals in a pipe-reactor combustion unit
N Malumbazo, NJ Wagner, JR Bunt, D Van Niekerk, H Assumption
Fuel processing technology 92 (4), 743-749, 2011
492011
Notes on the mechanisms of coal metamorphism in the Pennsylvania Anthracite Fields
JC Hower, SM Rimmer, M Mastalerz, NJ Wagner
International Journal of Coal Geology 202, 161-170, 2019
372019
Development of a petrographic classification of fly-ash components from coal combustion and co-combustion.(An ICCP Classification System, Fly-Ash Working Group–Commission III.)
I Suárez-Ruiz, B Valentim, AG Borrego, A Bouzinos, D Flores, ...
International Journal of Coal Geology 183, 188-203, 2017
352017
Full-plant analysis of a PSA CO2 capture unit integrated in coal-fired power plants: post-and pre-combustion scenarios
L Riboldi, O Bolland, JM Ngoy, N Wagner
Energy Procedia 63, 2289-2304, 2014
352014
The characterization of weathered discard coals and their behaviour during combustion
NJ Wagner
Fuel 87 (8-9), 1687-1697, 2008
332008
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Artículos 1–20