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Browsing by Author "Moodie, B"

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Effects of controlled crushing and screening on the analysis and petrographic composition of Blesbok coal

Author: Moodie, B ; La Grange, CC Date: 1958 By applying the Burstlein principle of controlled crushing and screening to coal from Blesbok Collier it is possible to obtain a product of lower ash and higher swelling number but it is probably preferable to effect these improvements in the ... Read more
The exposure of a Witbank No. 5 seam blend coking coal to the atmosphere at ambient temperatures and the influence of the subsequent oxidation on the reflectance of the vitrinites and on the swelling properties

Author: Moodie, B Date: 1972 The influence of severe oxidation on bright coal particles by the application in the presence of oxygen is fairly well known. In this study an attempt was made to establish the connection between the deterioration of swelling properties and ... Read more
The maceral composition of products prepared by the collieries in Natal

Author: Moodie, B Date: 1975 One hundred and twenty-nine products prepared by 15 collieries in Natal were petrographically analyzed. The collieries producing the coal can conveniently be divided into six areas, and the coals belonging to area have similar petrographic ... Read more
The Maceral composition of the products prepared by the Collieries in the Orange Free State and at New Springfield in the Transvaal

Author: Moodie, B Date: 1974 A survey of the Maceral composition of the products prepared by the collieries in the Republic was initiated a number of years ago. The first report (Report No. 10 of 1974) dealt with the Maceral composition of the products prepared by the ... Read more
The microscopical evaluation of the coal blends used and the cokes produced therefrom in the I/S series of coking tests carried out at ISCOR

Author: Moodie, B Date: 1963 The first observations carried out on the coke samples were of a quantitative nature, but the desirability of evaluating the coke quantitatively soon became evident. Read more
The microscopical examination of char prepared at the Klipportje plant

Author: Moodie, B Date: 1967 Samples consisting of various specimens of char prepared at e Klippoortjie plant from No. 5 and No. 4 seam coal were submitted with the request that the Institute should ascertain, if possible, whether the agglomeration of the particles due ... Read more
The microscopical examination of coal in reflected light

Author: Moodie, B Date: 1954 Records show that the first microscopic observations were carried out on coal in the year 1830 by Lindley. The apparatus he used was crude and his work was mostly confined to the examination of fossilized leaves found in certain coals. Read more
The petrographic composition of some coals commercially available in South Africa

Author: Moodie, B Date: 1965 During the past few years a survey was undertaken of the petrographic composition and characteristics of various coals sizes produced by collieries in South Africa. This report deals with the smaller coal sizes, in the Transvaal and seven in Natal. Read more
The petrographics and coking properties of the coal seams in zones 4, 3 and 2 from the waterpoort area in the Soutpansberg district

Author: Moodie, B ; Kunstmann, FH Date: 1963 The results of the petrographic analysis and of the laboratory coking tests are discussed in this report. Read more
The physical and chemical properties of coal with special reference to South African coals

Author: Moodie, B Date: 1975 There are two variations in every coal seam seam namely type and rank. Type is determined by the plant material from which the coal was formed and rank is the degree of maturation or metamorphism. Rank is the most important property of a ... Read more
The practice of coal petrography in South Africa

Author: Moodie, B Date: 1971 This report discusses about the practice of coal petrography in South Africa. Read more
A preliminary investigation of the enrichment of the fusible constituents in South African coking coals by a procedure of crushing and screening

Author: Moodie, B Date: 1957 samples of coal from Durban Navigation (DNC) Navigation SACE and Blesbok Collieries were investigated. Read more

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Browsing by Author "Moodie, B"

Browsing by Author "Moodie, B"

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