Geotechnical Factors Affecting High- and Low-wall Stability in Opencast Coal Mine
by Grant van Heerden | May 2004
Description
Related Products
Flammability, corrosion resistance and environment by V Mhlawakhe.pdf
Laboratory work turning high ash coal fines into moulded building composites, comparing coal tar pitch against a silicone binder, with strength, burning, corrosion and leaching tests. For product developers.
What this report foundAir blowing converted coal tar into a pitch with 11.27% volatile matter and 87.68% fixed carbon, which bound high ash coal fines into structural composites.
Unlocking obstacles to the commercialisation of eutectic freeze crystallisation
2022
Laboratory crystallisation cell tests on copper, brass, stainless steel and aluminium cooling plates in sodium sulphate solution, aimed at replacing mechanical scraping in brine treatment plants.
What this report foundHeat exchanger material governs how fast ice scale forms during eutectic freeze crystallisation of dilute brine.