A Review of Research on Polar Si-Al Adsorbents for Regeneration of Fire-resistant Oil
In order to systematically compare the effects of various adsorbents on the regeneration of fire-resistant fuel,and sort them,the deterioration mechanism of fire-resistant fuel was analyzed at first,and then the effects of traditional adsorbent and polar Si-Al adsorbent in acid absorption,dehydration,sludge removal and resistivity improvement were compared and analyzed based on the"guidelines for Operation and maintenance of Phosphate Fire-resistant fuel for Power Plant"(DL/T 571-2014).The analysis showed that the polar Si-Al adsorbent could control the water content at about 0.04%.Its acid removal efficiency was 4.6 times higher than that of diatomite.It increased the resistivity efficiency by about twice as much as active clay.It also had the function of completely removing sludge from oil.It is a good adsorbent for regenerating deteriorated fire-resistant fuel at the present stage.
Phosphate fire resistant oilTraditional adsorbentPolar silica-alumina adsorbent
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