Poly(vinyl alcohol): review of its promising applications and insights into biodegradation

被引:322
作者
Ben Halima, Nihed [1 ,2 ]
机构
[1] Univ Sfax, Natl Engn Sch Sfax ENIS, St Soukra Km 3-5 BP 1173, Sfax 3038, Tunisia
[2] St El Ain Km 6, Sfax 3042, Tunisia
关键词
MIXED MICROBIAL CULTURE; POLYVINYL-ALCOHOL; DEGRADING ENZYME; PYRROLOQUINOLINE QUINONE; ANAEROBIC BIODEGRADABILITY; WASTE-WATER; SP NOV; DEGRADATION; STRAIN; DEHYDROGENASE;
D O I
10.1039/c6ra05742j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Poly(vinyl alcohol) (PVA) is a water soluble synthetic polymer, with a backbone composed only of carbon atoms and is biodegradable under both aerobic and anaerobic conditions. This polymer can be prepared by the hydrolysis of polyvinylacetate and is one of the most important synthetic polymers used in commercial, industrial, medical and nutraceutical applications. The environmental issues caused by PVA industrial practice have increased globally. Several methods have been used to treat PVA industrial discharge including in particular physicochemical methods such as electrocoagulation. Nowadays, use of bioremediation for PVA release, which has caused serious pollution problems in the natural environment, has attracted much interest. The bioremediation ability of microorganisms and their PVA degrading enzymes, especially PVA oxidases/hydrolases, has long been perceived. These enzymes as well as symbiotic microorganisms could be an effective means for biodegradation of PVA.
引用
收藏
页码:39823 / 39832
页数:10
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