[1]文 刚,黄廷林.给水塑料管材生物稳定性快速评价方法的建立与运用[J].西安建筑科技大学学报:自然科学版,2014,46(04):578-582.[doi:10.15986/j.1006-7930.2014.04.022]
　WEN Gang,HUANG Tinglin.The establishment and application of the method for rapid assessing the biological stability of plastic pipes in drinking water[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2014,46(04):578-582.[doi:10.15986/j.1006-7930.2014.04.022]
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给水塑料管材生物稳定性快速评价方法的建立与运用()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
46
期数:
2014年04期
页码:
578-582
栏目:
出版日期:
2014-08-31

文章信息/Info

Title:
The establishment and application of the method for rapid assessing the biological stability of plastic pipes in drinking water
文章编号:
1006-7930(2014)04-0578-05
作者:
文 刚; 黄廷林
(西安建筑科技大学环境与市政工程学院,陕西 西安 710055)
Author(s):
WEN Gang;  HUANG Tinglin
(School of Environmental and Municipal Engineering, Xi’an Univ. of Arch. & Tech., Xi’an 710055, China)
关键词:
塑料管材; 生物稳定性; 测试方法
Keywords:
plastic pipes;  biostability;  test method
分类号:
TU 991
DOI:
10.15986/j.1006-7930.2014.04.022
文献标志码:
A
摘要:
给水塑料管材的生物稳定性直接影响供水水质．建立了评价饮用水塑料管材生物稳定性的新方法(BioMig)，并使用该 方法评价了典型塑料管材的生物稳定性．该方法主要由迁移实验、生物膜形成实验、病原菌形成潜能和毒性评价组成．该方法具有操作简单、易于推广、灵敏度高、重现性好等优点．研究结果表明：管道材料PEX-a 和PEX-c 具有很好生物稳定性， 而密封材料EPDM 2%却具有很高的微生物再生长潜能．除EPDM 20%外的其它管材均能支持三种病原菌的生长，其中P. aeruginosa 比E. coli O157 和 V. cholerae 在迁移水中具有更高的生长潜能. EPDM 20%具有很高的有机物释放潜能，但由于其毒性作用抑制微生物在溶液及其表面生长．
Abstract:
The biostability of plastic pipes directly affect the water quality during distribution. The present study established a new method(BioMig) to evaluate the biostability of drinking water plastic pipes, and apply the method to evaluate the biological stability of typical drinking water plastic pipes. The method comprised a migration test, biofilm formation test, pathogen growth potential and toxicity assessment, with the characterization of easily operated, world-wide spread, sensitive and reproducible. The results indicated that the two kinds of pipes PEX- a and PEX-c have a good quality and biostable, however the selected sealing material EPDM 2% could support huge bacteria regrowth on their surface and associated water. All the selected materials can support three pathogens growth (P. aeruginosa, E. coli O157 and V. cholerae) except EPDM 20% due to its toxic to the natural bacteria, and P. aeruginosa can utilize more widespread carbon released from the pipe materials than E. coli O157 and V. cholera.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目：国家自然科学基金资助项目(51308438）；教育部博士点新教师资助项目(20136120120002)；陕西省教育厅重点实验室资助项目(13JS047)； 陕西省教育厅专项基金资助项目(2013JK0883)
收稿日期：2014-02-17 修改稿日期：2014-07-20
作者简介：文刚(1983-)，男，博士，讲师，主要从事高级氧化和生物稳定性的研究．E-mail:hitwengang@163.com
更新日期/Last Update: 2015-10-06