Abstract
Abstract The behavior and fate of a zinc additive to lubricating oil in the coliquefaction of waste lubricating oil and a bituminous coal have been investigated by means of X‐ray absorption fine structure (XAFS) spectroscopy. Although the zinc additive appears to remain largely unaltered during use as zinc dialkyldithiophosphate (ZDDP), it is readily converted to solid zinc sulfide and effectively separated from the desired liquid hydrocarbon products during the coliquefaction process. It is anticipated that similar behavior will be shown by most other environmentally important elements.
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More From: Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology
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