J. Donald Rimstidt

TL;DR: In this article, a series of batch and mixed flow reactor experiments were performed to determine the effect of SO42−, Cl−, ionic strength, and dissolved oxygen on the rate of reaction of pyrite with ferric iron.

TL;DR: In this paper, the most important steps in the overall process of the pyrite oxidation were mapped to the cathodic sites, where oxygen atoms from water molecules attach to the sulfur atoms to form sulfoxy species, through the crystal to cathodic Fe(II) sites where they are acquired by the oxidant species.

TL;DR: The experimental distribution coefficients, K′d, for trace elements in carbonate minerals show a systematic pattern of behavior that differs from that expected if the distribution were controlled by equilibrium thermodynamics.

TL;DR: In this article, a revised solubility function for the temperature range 0-300°C was proposed, which is based on a combination of new quartz measurements in pure water that approached equilibrium from under-saturation at 21, 50, 74, and 96°C.

TL;DR: In this paper, the authors used pownder X-ray diffraction (XRD) to identify 11 minerals in fly ash, including gypsum, 1.8±1.9, hematite, 3.7± 1.7, quart, 2.3±1, 4.5± 0.4, calcite 3.5 ± 1.3, rutile, 1 1.1, and wustite.