Search Results - "Waanders, Frans B."
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Metagenomic profiling dataset of bacterial communities of a drinking water supply system (DWSS) in the arid Namaqualand region, South Africa: Source (lower Orange River) to point-of-use (O'Kiep)
Published in Data in brief (01-08-2019)“…The metagenomic data presented herein contains the bacterial community profile of a drinking water supply system (DWSS) supplying O'Kiep, Namaqualand, South…”
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Nano-mineralogical investigation of coal and fly ashes from coal-based captive power plant (India): An introduction of occupational health hazards
Published in The Science of the total environment (15-01-2014)“…Coal derived nano-particles has been received much concern recently around the world for their adverse effects on human health and the environment during their…”
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Evaluation and prediction of slow pyrolysis products derived from coals of different rank
Published in Journal of analytical and applied pyrolysis (01-11-2017)“…•5 coals of different rank are assessed in terms of pyrolysis performance at low heating rate (<10°C/min).•The FLASHCAIN® pyrolysis model is used to predict…”
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Geochemistry of ultra-fine and nano-compounds in coal gasification ashes: A synoptic view
Published in The Science of the total environment (01-07-2013)“…The nano-mineralogy, petrology, and chemistry of coal gasification products have not been studied as extensively as the products of the more widely used…”
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The occurrence of hazardous volatile elements and nanoparticles in Bulgarian coal fly ashes and the effect on human health exposure
Published in The Science of the total environment (01-02-2012)“…Low-rank, high-mineral matter Bulgarian coals were studied using a variety of chemical, optical, and electron beam methods. The larger fly ash carbon phases…”
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Mineralogy and Petrology of Chars Produced by South African Caking Coals and Density-Separated Fractions during Pyrolysis and Their Effects on Caking Propensity
Published in Energy & fuels (15-08-2019)“…Thermochemical processes use low-rank bituminous coal to produce steam and synthetic gas. Caking coal particles can soften, swell, and coalesce in the South…”
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Coal particle and bed physical transformational behaviour after thermochemical conversion in a fixed bed
Published in Journal of analytical and applied pyrolysis (01-11-2016)“…•Packed bed combustion and gasification of a range of particle sizes.•Transient start-up behaviour of packed coal beds.•Post experiment dissection of the bed…”
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Coal particle chemical transformational behaviour after thermochemical conversion in a fixed bed
Published in Journal of analytical and applied pyrolysis (01-07-2016)“…•Packed bed combustion and gasification of a range of particle sizes.•Experiments on the transient start-up behaviour of packed beds.•Post experiment…”
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Economic overview of a two-agent process for underground coal gasification with Fischer-Tropsch-based poly-generation
Published in Clean energy (Online) (01-03-2019)“…Abstract Underground Coal Gasification (UCG) is a mining-gasification process that produces synthesis gas from in situ coal by injecting air (or oxygen and…”
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A laboratory scale fixed-bed coal conversion reactor part 1: Operation, reaction zone identification and industrial representativeness
Published in Journal of analytical and applied pyrolysis (01-09-2015)“…•We examine coal combustion and gasification on laboratory, pilot and industrial scale.•We validate a unique post experiment bed dissection method.•We mimic…”
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Significance of coal properties on the caking degree of coarse coal particles mined at Limpopo Province, Republic of South Africa
Published in International journal of coal preparation and utilization (03-05-2020)“…In this paper, a comprehensive coal property (chemical, mineralogical, physical, and petrographic) study was conducted using a caking coal from South Africa,…”
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A multi-analytical study on the sulphur components in some high sulphur Indian Tertiary coals
Published in Arabian journal of geosciences (01-02-2016)“…The main source of industrial energy in the world is coal. To better understand the distribution of sulphur containing components in high sulphur Tertiary…”
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Electron beam and Mössbauer techniques combined to optimise base metal partitioning in the furnace
Published in Mikrochimica acta (1966) (01-06-2008)“… Furnace slag and matte samples from Anglo Platinum smelters were analysed using a combination of electron microbeam and Mössbauer techniques. The object of…”
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Journal Article Conference Proceeding -
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Removal of Cr(VI) and Zn(II) from an aqueous solution using an organic-inorganic composite of bentonite-biochar-hematite
Published in Desalination and water treatment (01-01-2017)“…A bentonite/biochar/hematite composite was synthesized to develop an adsorbent with the properties of each constituent suitable for the removal of Cr(VI) and…”
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Reactivity study of fine discard coal agglomerates
Published in Journal of analytical and applied pyrolysis (01-05-2015)“…•We evaluate the char gasification reactivity of fine coal pellets (10mm) in diameter.•We compare the catalyzed gasification system with raw coal pellet…”
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The South African industry use of Mössbauer spectroscopy to solve operational problems
Published in Hyperfine interactions (01-04-2014)“…South Africa is a country that is very rich in mineral resources but the use of Mössbauer spectroscopy to solve operational industrial problems is however very…”
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