Author:Fuel Research InstituteDate:1951This report details how the absorption pipettes and combustion tubes are mounted on the apparatus in the sequence, starting from the burette.Read more
Author:Sevenster, PGDate:1951The primary objective of the present investigation was to ascertain the oxygen absorption characteristics of South African coals using a technique based on that developed by Winmill.Read more
Author:Bird, CEDate:1951The swing hammer pulveriszer available at the Institute is a comparatively small machine but it was considered that the information regarding its operating characteristics gained investigating the hammer mills used in practice.Read more
Author:Van der Walt, PJDate:1952A detailed study was made of the various tine coal cleaning processes and it was finally concluded that the cyclone washer was the only known process which showed promise of solving the formidable washing problem.Read more
Author:Van der Walt, PJDate:1952A Jeffery single roll crusher was installed at Van Dyksdrift colliery with the object of producing coal suitable for firing in South African Railways locomotives.Read more
Author:Van der Walt, PJDate:1952The run-of-mine coal is to be broken in such a manner that 55% of it has a top size 1 half inches and that the ratio between top and bottom size does not exceed 5 to 1.Read more
Author:Fuel Research InstituteDate:1954As explained in previous communications, the Institute has been of the option that the difficulties experienced with the Dense Medium Washery at South African Coal Estate could be largely attributed to changes in the properties of the heavy ...Read more
Author:Van der Merwe, JMDate:1954A segregation and breakage test was carried out on pea-duff coal and the results are summarized in the present report.Read more
Author:Petrick, AJDate:1954The fuel and power supplies developed reasonably uniformly with the demand in the Union of South Africa up to about 1945. Although the coal industry made adequate provision for future requirements and has even now adequate potential production ...Read more
Author:Moodie, BDate:1954Records 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
Author:Kunstman, FH; Hamersma, JCDate:1955The chemical behavior of germanium has been studied extensively but its present economic value results from its physical properties.Read more
Author:Van Doornum, GAWDate:1955Testing of the following motor spirits: Synthetic petrol no 22, 24 ,82, 93 and Normal commercial motor spirit to establish any significant difference in operation in a normal motor - car engine that might be expected.Read more
Author:Van der Walt, PJDate:1956It is well known that there is a shortage of coking coal in South Africa, and that methods of producing suitable coking suitable coking coal from sources hitherto considered unsuitable, is receiving considerable attention. The pilot plant ...Read more
Author:Van der Walt, PJDate:1956In South African, coal is generally screened into the nominal commercial sizes such as rounds, cobbles, nuts, peas and duff.Read more
Author:Van Eck, B; Van der Walt, PJDate:1956In this paper, the more practical aspects of coal sampling and sample treatment are discussed in order to serve as a guide in plant testing.Read more
Author:La Grange, CCDate:1957Subsequent to the issue of this Institutes Technical Memorandum No. 10 of 1955 the results of additional investigations carried out at the Institute on No. Seam coal taken in the ventilation shaft, about 4500ft north- north-east of Springbok ...Read more
Author:Fuel Research InstituteDate:1957This second progress report is a continuation of Technical Memorandum No. 7 of 1957 and should be read in conjunction therewith. This report deals with tests on Sasol/Satmar mixtures and Sasol/Alcohol mixture.Read more