饱和吸附树脂的生物再生机理研究

doi:10.11894/1005-829x.2010.30(8).50

工业水处理 ›› 2010, Vol. 30 ›› Issue (8): 50-53. doi: 10.11894/1005-829x.2010.30(8).50

饱和吸附树脂的生物再生机理研究

顾锡慧, 张玲, 滕厚开, 陈军

中海油天津化工研究设计院,天津 300131

收稿日期:2010-04-21 出版日期:2010-08-20 发布日期:2010-10-01
作者简介:顾锡慧(1979-),2008年毕业于大连理工大学,博士,工程师.电话:022-26689181,E-mail:gxh1208@yahoo.com.cn。

Study on the mechanisms of bio-regeneration of saturated adsorption resin

Gu Xihui, Zhang Ling, Teng Houkai, Chen Jun

CNOOC Tianjin Chemical Research & Design Institute,Tianjin 300131,China

Received:2010-04-21 Online:2010-08-20 Published:2010-10-01

摘要/Abstract

摘要：

以饱和吸附苯胺的XDA-1树脂的生物再生为例,对吸附树脂的生物再生机理进行了探讨。在深入研究生物再生过程的基础上,认为胞外酶假说在本研究体系中不成立。通过对比研究饱和吸附苯胺的XDA-1树脂的自脱附和生物再生过程,发现苯胺的物理脱附是树脂吸附容量恢复的主要原因,而生物降解作用促进吸附质的脱附,证明树脂XDA-1的生物再生符合浓度梯度假说。

关键词: 吸附树脂, 生物再生机理, 胞外酶假说, 浓度梯度假说

Abstract:

In order to discuss the mechanism of bio-regeneration of adsorption resin, the bio-regeneration process of aniline exhausted XDA-1 resin has been taken as an example. On basis of the advanced study of bio-regeneration process, it is thought that ecto-enzyme hypothesis does not come into existence in this system. The self-desorption and bio-regeneration processes of aniline exhausted XDA-1 resin are contrasted. It is found that the physical desorption is the main reason for the resumption of adsorbing capacity of aniline exhausted resin, while the role of biodegradation of aniline is constantly promoting the desorption of adsorbates. It is proved that the bio-regeneration of XDA-1 resin is consistent with the concentration gradient hypothesis.

Key words: adsorption resin, mechanism of bio-regeneration, ecto-enzyme hypothesis, concentration gradient hypothesis

中图分类号:

X703.1

顾锡慧, 张玲, 滕厚开, 陈军. 饱和吸附树脂的生物再生机理研究[J]. 工业水处理, 2010, 30(8): 50-53.

Gu Xihui, Zhang Ling, Teng Houkai, Chen Jun. Study on the mechanisms of bio-regeneration of saturated adsorption resin[J]. INDUSTRIAL WATER TREATMENT, 2010, 30(8): 50-53.

https://www.iwt.cn/CN/Y2010/V30/I8/50

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