7 , the adsorption capacities of both α-Fe 2 O 3 aerogels and xerogels, along with the optimized Fe 2 O 3 (P-600) synthesized using the Pechini-type sol-gel method, exhibited an increasing trend, with the sequence Fe 2 O 3 (A-450) > Fe 2 O 3 (A-350) > Fe 2 O 3 (A-600) > Fe 2 O 3 (X-600) > Fe 2 O 3 (X-450) > Fe 2 O 3 (X-350) > Fe 2 O 3 (P-600).
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Nanostructured iron and nickel oxide aerogels revolutionizing asphaltene removal in hydrocarbon processing.
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