By James Smolen Ph. D.
Offers the working towards petroleum engineer with diagnostic details to optimize restoration or plan workover operations. James Smolen is an across the world well-known specialist in cased gap logging with greater than two decades of oil event. DLC: Oil good logging.
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74). Note on Rhenium in Coal 25 water (Kuznetsova and Saukov, 1961 Razenkova and Kuznetsova, 1963). Experiments with ion-exchange resins showed that Re can partly bind with carboxyl and much weaker – with hydroxyl functionality. However, both the processes are much weaker appeared than for Mo (Kuznetsova and Saukov, 1961). Further study on epigenetic uranium-coal deposits showed that coal serve as reducing barrier for perrhenate ion (ReO4-); Re is concentrated, probably, in sulfide form – in lower part of “transitional” zone, and in upper part of “reduced” (ore) zone.
29 ppm (Razenkova and Kuznetsova, 1963). 4 ppm (Kler and Nenakhova, 1981, p. 49). 39 ppm Re in the Sakhalin Island coal, and Yurowsky (1968) published the data on Re content in Donets basin (Donbas) coals. 8 ppm. In cleaned coal (with Ad, ash yield, of 8 %) from Privol’nyanskaya Yuzhnaya mine, Re content was as much as 4 ppm (Yurowsky, 1968). There are some data indicated Re content in some Russian brown coals as much as 20 ppm (Ratynsky, Spirt, Krasnobaeva, 1980). ) reach so extremely values as 200–400 ppm (Kler, 1987, p.
Yang, S. , Li, M. , Lai, Y. , Luo, Y. P. (2007). Dominant plants and their heavy metal concentrations in Mn mine wastelands, Guangxi. Journal of Guangxi Normal University (Natural Science Edition), 25(1), 108-112. Zhong, W. , Fan, Y. , Wang, M. J. (2001). Pollution of heavy metals on crops and its countermeasures in China. Agro-environmental Protection, 20(4), 270-272. Zhou, L. , Dai, H. , Wu, Y. J. (2002). Crop plantation on the copper mine tailings ponds in Hujiayu. Mining Technology, 2(2), 54-56.