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The mineral matrix in Green River oil shale was partially removed by treatment with dilute HCI. The major ionic species in the solution from acid treatment (AT) were identified as NaC, A13+, Fe'+, Mg\*', and Ca\*+. The ion yields expected from reaction stochiometry, gravimetric analyses and comparis
The distribution of arsenic among the various components of a sample of Green River oil shale was investigated. Scanning electron microscopy with X-ray microanalysis, powder X-ray diffraction and inductively coupled plasma atomic emission spectrometry were used for identification. Approximately 65%
An ultrasonic field was found to enhance the rate of mineral dissolution from Green River oil shale matrix when treated with dilute HCI. This effect was most pronounced forcoarse particlesand minimal for finely pulverized shale. Data comparing the behaviour in an ultrasonic field with control specim