Please use this identifier to cite or link to this item: https://doi.org/10.1021/es070134d
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dc.titleImproved adsorption of 4-nitrophenol onto a novel hyper-cross-linked polymer
dc.contributor.authorPan, B.
dc.contributor.authorDu, W.
dc.contributor.authorZhang, W.
dc.contributor.authorZhang, X.
dc.contributor.authorZhang, Q.
dc.contributor.authorPan, B.
dc.contributor.authorLv, L.
dc.contributor.authorZhang, Q.
dc.contributor.authorChen, J.
dc.date.accessioned2014-10-08T08:32:33Z
dc.date.available2014-10-08T08:32:33Z
dc.date.issued2007-07-15
dc.identifier.citationPan, B., Du, W., Zhang, W., Zhang, X., Zhang, Q., Pan, B., Lv, L., Zhang, Q., Chen, J. (2007-07-15). Improved adsorption of 4-nitrophenol onto a novel hyper-cross-linked polymer. Environmental Science and Technology 41 (14) : 5057-5062. ScholarBank@NUS Repository. https://doi.org/10.1021/es070134d
dc.identifier.issn0013936X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/87525
dc.description.abstractIn the present study we prepared a hyper-cross-linked polymeric adsorbent (NDA-701) possessing a uniquely bimodal pore size distribution for 4-nitrophenol (4-NP) adsorption from water. A macroporous polymeric adsorbent Amberlite XAD-4 and a granular activated carbon GAC-1 were chosen for comparison. NDA-701 exhibited better mechanical strength and higher capacity of 4-NP than XAD-4, which possibly resulted from its hyper-cross-linking nature and micropore structure, respectively. 4-NP adsorption isotherm onto NDA-701 is well described by the Freundlich model, and its better kinetics performance than GAC-1 resulted from its macropore structure After adsorption NDA-701 was amenable to an entire regeneration by using NaOH solution as regenerant, whereas only ∼75% regeneration efficiency was observed for GAC-1. Results of continuous fixed-bed runs in pilot and industrial scale demonstrated that NDA-701 is capable of completely removing 4-NP from chemical effluent with no capacity loss, and 4-NP can be readily recovered by further treatment of the concentrated regenerant solution. It is attractive that the value of the recovered 4-NP from chemical wastewater will even engender a surplus after countervailing all the operation cost during field application. © 2007 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/es070134d
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentDIVISION OF ENVIRONMENTAL SCIENCE & ENGG
dc.description.doi10.1021/es070134d
dc.description.sourcetitleEnvironmental Science and Technology
dc.description.volume41
dc.description.issue14
dc.description.page5057-5062
dc.description.codenESTHA
dc.identifier.isiut000248363100039
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