Removal of pesticides from water using hypercrosslinked polymer phases: Part 4 - Regeneration of spent adsorbents

被引：12
|
作者：
Streat, M [1 ]
Sweetland, LA [1 ]
Horner, DJ [1 ]
机构：
[1] Univ Loughborough, Dept Chem Engn, Loughborough LE11 3TU, Leics, England
来源：
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION | 1998年 / 76卷 / B2期
关键词：
activated carbon; hypercrosslinked polymers; regeneration; atrazine; ethanol;
D O I：
10.1205/095758298529434
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The regeneration of activated carbon and hypercrosslinked polymers loaded with simazine, chlorotoluron, isoproturon, atrazine and diuron using low-temperature solvent stripping has been investigated. Pure ethanol, azeotropic ethanol acetone, methanol and 1-propanol will efficiently regenerate polymeric Hypersol-Macronet(TM) MN-200 at room temperature. Complete regeneration was achieved using about three bed volumes of HPLC grade ethanol when operated in a mini-column. Excess ethanol is efficiently water washed prior to reuse. Chemviron F-400 is not effectively regenerated using low-temperature solvent stripping. The advantages of polymeric adsorbents are discussed.
引用
收藏
页码：142 / 150
页数：9
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