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- W2912143784 endingPage "83" @default.
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- W2912143784 abstract "Pollution of water resources resulting from effluent discharge has been a long-standing environmental concern. Traditional methods of wastewater treatment are often ineffective in meeting the required standards and are not cost-effective. Use of biopolymers as adsorbents and natural flocculants in wastewater treatment is thus gaining prominence. Production from nonrenewable resources and their resistance to biodegradation are issues that deter us from relying on conventional petrochemical-based polymers. In this context, biopolymers derived from natural sources are emerging as sustainable and safe alternatives. Especially, cellulose and chitosan have attracted a great deal of attention. Here, we reviewed the potential environmental benefits of other equally resourceful biopolymers such as tannin, pectin, agar, alginate, acrylamide, carrageenan, starch, dextran, polylactic acid, and polyhydroxyalkanoates. The major points are as follows: (1) Biopolymers function as useful adsorbents for the removal of organic as well as inorganic pollutants encompassing fluorides, nitrates, phosphates, heavy metal hydrocarbons, dyes, and pesticides. For such applications, biopolymer-based hydrogels and nanocomposite films have been experimented with. (2) The coagulating-flocculating abilities of biopolymers result in enhanced effluent clarification. (3) Biopolymers have been relied upon for pro-environment initiatives in the agricultural and construction sectors. Soil strengthening, anti-desertification, and sealing of concrete leaks are a few instances where they could play a lead role. (4) The far-reaching applications of these compounds extend to making catalysts for hydrogen generation and proton-conducting membranes for electrochemical devices. Recent developments on these fronts, their techno-economic feasibilities, and future prospects have been focused in this review." @default.
- W2912143784 created "2019-02-21" @default.
- W2912143784 creator A5024877759 @default.
- W2912143784 creator A5039776417 @default.
- W2912143784 creator A5069543177 @default.
- W2912143784 creator A5084023079 @default.
- W2912143784 date "2019-01-01" @default.
- W2912143784 modified "2023-09-27" @default.
- W2912143784 title "Biopolymer Technologies for Environmental Applications" @default.
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