|本期目录/Table of Contents|

[1]张 莉,汪 志.白腐真菌的分离及其固定化应用研究[J].武汉工程大学学报,2017,39(03):205-210.[doi:10. 3969/j. issn. 1674?2869. 2017. 03. 001]
 ZHANG Li,WANG Zhi.Separation, Immobilization and Application of White-Rot Fungi[J].Journal of Wuhan Institute of Technology,2017,39(03):205-210.[doi:10. 3969/j. issn. 1674?2869. 2017. 03. 001]
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白腐真菌的分离及其固定化应用研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年03期
页码:
205-210
栏目:
化学与化学工程
出版日期:
2017-06-24

文章信息/Info

Title:
Separation, Immobilization and Application of White-Rot Fungi
文章编号:
20170301
作者:
张 莉汪 志
武汉工程大学化学与环境工程学院,湖北 武汉 430205
Author(s):
ZHANG LiWANG Zhi
School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
白腐真菌分离固定化
Keywords:
white-rot fungi separation immobilization
分类号:
X703.1
DOI:
10. 3969/j. issn. 1674?2869. 2017. 03. 001
文献标志码:
A
摘要:
通过愈创木酚培养基和鞣酸培养基对白腐真菌所产漆酶的显色作用分离筛选出白腐真菌;采用“吸附-包埋-交联”的复合固定化方法,以改性稻壳作为吸附载体,聚乙烯醇、海藻酸钠为包埋剂,硼酸、CaCl2为交联剂,制备了白腐真菌固定化生物小球;将该生物小球应用于废水处理,分别研究了生物小球投加量、曝气量、处理时间、处理温度、pH值等因素对废水处理效果的影响. 结果表明,在小球投加量为20%,曝气量为2 L/min,处理时间为8 h,处理温度为35 ℃,pH范围为4.5~5的实验条件下,处理后的废水化学需氧量(COD)值可由1 027 mg/L降至94.5 mg/L,COD去除率可达90.8%.
Abstract:
A kind of white-rot fungus was separated by the color reaction of its laccase on guaiacol medium and tannic acid medium. Then the white-rot fungus was made into immobilized biological pellets by adsorption, embedding and crosslinking, using modified rice husk as adsorption carrier, polyvinyl alcohols and sodium alginate as embedding medium, and boric acid and CaCl2 as crosslinking medium. The effects of biological pellets’ dosage, aeration rate, reaction temperature, reaction time and pH value on the treatment effect were investigated. Results indicate that the removal rate of chemical oxygen demand (COD) can reach 90.8% and the residual COD concentration reduces from 1 027 mg/L to 94.5 mg/L at the biological pellets’ dosage of 20%, aeration rate of 2 L/min, reaction time of 8 h, reaction temperature of 35 ℃ and pH values of 4.5-5.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-12-09作者简介:张 莉,硕士,教授. E-mail: dygzhangli@163.com
更新日期/Last Update: 2017-06-22