Lídia K. Lazzari*, Vitória B. Zampieri, Ademir J. Zattera, Camila Baldasso
Journal of Renewable Materials, Vol.7, No.3, pp. 227-234, 2019, DOI:10.32604/jrm.2019.00024
Abstract This work aimed at analyzing the petroleum adsorption capacity and the compressive strength of cellulose cryogels produced with the addition of 4 and 8% (w/w) sodium hydroxide (NaOH). Cryogels were produced from a 1.5% (m/m) suspension of cellulose microfibers, which originated from Pinus elliotti, in distilled water. The addition of NaOH increased the compression strength of cryogel by 30% when compared to cryogel without the reagent. Due to the 50% decrease in volume, the cryogel FLNB-8h (8% NaOH) has its petroleum adsorption capacity decreased in average by 58%, whereas the FLNB-4 (4% NaOH) cryogel had it only by 14%. The… More >
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