Evaluation of Thermally Treated Calotropis Procera Fiber for the Removal of Crude Oil on the Water Surface

被引：17

作者：

Sobral Hilario, Larissa ^{[1
]}

Batista dos Anjos, Raoni ^{[1
]}

de Moraes Juviniano, Henrique Borges ^{[1
]}

Ribeiro da Silva, Djalma ^{[1
,2
]}

机构：

[1] Univ Fed Rio Grande do Norte, Postgrad Program Petr Sci & Engn, Av Sen Salgado Filho,3000 Lagoa Nova, BR-59072970 Natal, RN, Brazil

[2] Univ Fed Rio Grande do Norte, Inst Chem, Av Sen Salgado Filho,3000 Lagoa Nova, BR-59072970 Natal, RN, Brazil

来源：

MATERIALS | 2019年 / 12卷 / 23期

关键词：

Calotropis procera; sorption; crude oil; GIGANTEA FIBER; NATURAL FIBERS; SPILL CLEANUP; DECOMPOSITION KINETICS; EXPERIMENTAL-DESIGN; POLYMER COMPOSITES; SORBENTS; SORPTION; KAPOK; ABSORPTION;

D O I：

10.3390/ma12233894

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Biosorbents have been highlighted as an alternative method for the removal of contaminants from spills or leaks of oil and its derivatives, since they are biodegradable, are highly available, low-cost, and have a good sorption capacity. This research investigated the sorption capacity of Calotropis procera fiber in natura (CP) and thermally treated (150 degrees C and 200 degrees C) for crude oil removal and recovery. The oil sorption tests were carried out in a dry and water (layer) static systems. The assays revealed that CP fiber has excellent hydrophobic-oil properties and good crude oil sorption capacity, about 75 times its own weight (76.32 g/g). The results of the treated fibers, CPT150 and CPT200, showed oil sorption capacities (in 24 h) higher than CP, between 94.31-103.37 g/g and 124.60-180.95 g/g, respectively. The results from sample CPT200 showed that it can be an excellent biosorbent for the removal of crude oil and other derivatives due to its high hydrophobicity, great reuse/resorption capacity, and ability to retain oil within the fiber lumens. Thus, it can be applied in the recovery, cleaning, and removal of petroleum products and its derivatives from spills and leaks in the future.

引用

页数：15

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