Comparison of several polymeric sorbents for selective boron removal from reverse osmosis permeate

被引：23
作者：
Parschova, Helena
Mistova, Eva
Matejka, Zdenek
Jelinek, Ludek
Kabay, Nalan
Kauppinen, Pasi
机构：
[1] ICT, Dept Power Engn, Prague 16628 6, Czech Republic
[2] Ege Univ, Dept Chem Engn, TR-35100 Izmir, Turkey
[3] Johnson Matthey Finland Oy, FIN-20300 Turku, Finland
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2007年 / 67卷 / 12期
关键词：
boron; reverse osmosis; permeate; selective removal;
D O I：
10.1016/j.reactfunctpolym.2007.07.026
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Fibrous sorbents based on polypropylene and viscose fibers grafted with styrene or glycidyl methacrylate and functionalized with N-methylglucamine were compared with classical polystyrene/DVB bead sorbent with N-methylglucamine functional group. Tests were carried out in dynamic column mode. Model solution of reverse osmosis permeate containing 1.5 mg/L of boron was pumped through 5 mL of sorbent packed in glass column. Fibrous sorbents showed much faster sorption kinetics than bead sorbent, tolerating high specific flow-rates. Compared to bead sorbent, boron regeneration profiles of fibrous sorbents were narrower and they could be successfully regenerated with more diluted hydrochloric acid. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1622 / 1627
页数：6
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