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3D edge detection seismic attributes used to map potential conduits for water and methane in deep gold mines in the Witwatersrand basin, South Africa

Author: Manzi, MSD ; Durrheim, RJ ; Hein, KAA ; King, N Date: Sep 2012 Inrushes of ground water and the ignition of flammable gases pose risks to workers in deep South African gold mines. Large volumes of water may be stored in solution cavities in dolomitic rocks that overlie the Black Reef (BLR) Formation, ... Read more
Fast- and ultra-fast laser pulse induced reactions between carbon dioxide and methane

Author: Kotze, FJ ; Strydom, CA ; Du Plessis, A ; Dlamini, TL Date: Mar 2010 The direct excitation of CO2 using fast (nanosecond) and ultrafast (femtosecond) pulsed lasers was investigated. A gas reaction cell was used to excite CO2 in a 50 : 50 mixture of CO2 and CH4 using nano- and femtosecond laser systems, to ... Read more
From biogas to hydrogen: A techno-economic study on the production of turquoise hydrogen and solid carbons

Author: Swartbooi, Ashton ; Kapanji-Kakoma, KK ; Musyoka, Nicholas M Date: Sep 2022 Biogas is a renewable feedstock that can be used to produce hydrogen through the decomposition of biomethane. However, the economics of the process are not well studied and understood, especially in cases where solid carbons are also produced, ... Read more
Structural and optical properties of ZnO nanostructures grown by aerosol spray pyrolysis: candidates for room temperature methane and hydrogen gas sensing

Author: Motaung, DE ; Mhlongo, Gugu H ; Kortidis, I ; Nkosi, SS ; Malgas, GF ; Mwakikunga, Bonex W ; Ray, Suprakas S ; Kiriakidis, G Date: Aug 2013 We report on the synthesis of ZnO films by aerosol spray pyrolysis method at different deposition times.The surface morphology, crystal structure and the cross-sectional analysis of the prepared ZnO filmswere characterized by X-ray diffraction ... Read more
Trace gas variations at Cape Point, South Africa, during May 1997 following a regional biomass burning episode

Author: Brunke, EG ; Labuschagne, C ; Scheel, HE Date: 2001 During the continuous monitoring of atmospheric parameters at the station Cape Point (34 degrees S, 18 degrees E), a smoke plume originating from a controlled fire of 30 year old fynbos was observed on 6 May 1997. For this episode, which was ... Read more

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Browsing by Subject "Methane"

Browsing by Subject "Methane"

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