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Heteropoly acids have attracted increasing attentions in oxidative desulfurization (ODS) field, but the solubility and low surface area hindered their applications. Moreover, bulk silicotungstic acid (HSiW) was less researched, owing to its relative lower activity. Herein, a layered-structure hexagonal boron nitride (h-BN) was employed for dispersion of HSiW by impregnation method. Interestingly,...
The mechanisms of chlorination of PbO, CdO, ZnO, and CuO by poly(vinyl chloride) (PVC) and sodium chloride (NaCl), including their reaction temperatures, pathways, and products, were studied and compared. It was found that PVC can chloridize the four oxides via different mechanisms, producing corresponding chlorides. The heavy metal oxides in PVC–PbO and PVC–CdO were chloridized by gas–solid reaction...
Incineration for the disposal of sludge is drawing increased attention, and SO 2 and NOx are the main secondary pollutants produced during the incineration process. Process control during incineration is the most reasonable method to reduce the production of secondary gaseous pollutants. In this study, batch combustion tests of sludge were carried out in CO 2 /O 2 and N ...
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