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THE UTILIZATION OF THE CELLULOSE-BASED AEROGEL FOR AN OIL SPILL CLEANING
Abstract
The investigation of cellulose-based aerogel production and its application to oil product clean up from the water surface was performed in this research work. Three kinds of aerogel with 2.5, 5.0 and 7.5 wt. % of cellulose have been produced. The analysis of aerogel's maximum sorption capacity as well as its regeneration for sorption of crude oil, marine diesel oil (MDO) and biodiesel sorption from water surface were performed during this study. It was found that the best sorption properties have 7.5 wt. % cellulose aerogel and it is best suited for crude oil recovery. Moreover, crude oil products sorption capacity after aerogels reusing 10 times decreased from 9.964 to 5.649 g·g-1, as well as for the marine diesel oil ? from 9.108 to 6.376 g·g-1 and for biodiesel ? from 7.921 to 5.649 g·g-1 respectively. Using the squeezing method for aerogels regeneration up to 43% of sorption capacity was lost after 10 sorption/regeneration cycles. The best sorption properties after regeneration had aerogel with 5.0 wt. % cellulose.
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