|本期目录/Table of Contents|

[1]宋漫利,李成,刘春敬,等.1株好氧反硝化菌的筛选鉴定及固定化研究[J].江苏农业科学,2018,46(13):271-275.
 Song Manli,et al.Isolation and identification of a heterotrophic nitrifying and aerobic denitrifying strain and its immobilization characteristics[J].Jiangsu Agricultural Sciences,2018,46(13):271-275.
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1株好氧反硝化菌的筛选鉴定及固定化研究(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第13期
页码:
271-275
栏目:
资源与环境
出版日期:
2018-07-05

文章信息/Info

Title:
Isolation and identification of a heterotrophic nitrifying and aerobic denitrifying strain and its immobilization characteristics
作者:
宋漫利 李成 刘春敬 梁致齐 李容臻 谢建治
河北农业大学资源与环境科学学院/河北省农田生态环境重点实验室,河北保定 071001
Author(s):
Song Manliet al
关键词:
假单胞菌聚乙烯醇-海藻酸钠(PVA-SA)好氧反硝化包埋固定化去除率
Keywords:
-
分类号:
X702;S182
DOI:
-
文献标志码:
A
摘要:
为了提高污水处理设施的低温生物强化效果,以崇礼污水处理厂SBR反应池活性污泥为菌源,进行污水处理耐冷菌的分离鉴定及固定化研究。从活性污泥中分离筛选出1株硝化和好氧反硝化耐冷菌,结合生理生化、形态学以及16S rDNA基因测序结果,初步鉴定该菌株为假单胞菌(Pseudomonas sp.)。以海藻酸钠(SA)和聚乙烯醇(PVA)为包埋材料,利用正交试验优化NL-4包埋固定化制备条件。当SA质量分数为1%、PVA质量分数为12%、CaCl2质量分数为1%、包菌量为10%时,制备的固定化小球物理性能最佳。在10 ℃培养条件下,NL-4对污水中氨态氮(NH3-N)和硝态氮(NO3--N)的去除率分别是68.05%、98.94%,包埋固定化后分别提高了14.49%、1.4%。4 ℃保藏60 d后,比游离菌相比固定化载体的NH3-N、NO3--N去除率分别提高58.8%、53.3%。pH值为7~9、温度为 10~20 ℃时,最适宜NL-4及其固定化载体发挥硝化、反硝化能力。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-10-18
基金项目:国家水体污染控制与治理科技重大专项(编号:2015ZX07203-005);河北省高等学校科学技术研究青年基金(编号:QN2017076);河北省博士研究生创新资助项目(编号:CXZZBS2017071)。
作者简介:宋漫利(1987—),女,硕士研究生,研究方向为环境化学与污染控制。E-mail:songmanli1210@126.com。
通信作者:谢建治,教授,博士生导师,研究方向为污水治理。E-mail:xjianzhi@126.com。
更新日期/Last Update: 2018-07-05