复合型微生物絮凝剂产生菌生长周期中参数变化

复合型微生物絮凝剂产生菌生长周期中参数变化

杜宝山¹,²，张玉玲¹，张兰英¹，姚军³

1. 吉林大学　环境与资源学院，长春 130061; 2. 通辽职业学院，内蒙古自治区通辽 028000;3. 长春市城建疏浚工程有限公司，长春 130021

收稿日期:2006-03-10 修回日期:1900-01-01 出版日期:2007-01-26 发布日期:2007-01-26
通讯作者: 张玉玲

Parameter Change in Growth Cycle of Compound Bioflocculant Product Bacterium

DU Baoshan¹,², ZHANG Yuling¹， ZHANG Lanying¹， YAO Jun³

1. College of Environment and Resources， Jilin University， Changchun 130061, China; 2. Career College in Tongliao， Tongliao 028000， Inner Mongolia Autonomous Region,　China；3. Dredgingproject Co. Ltd.， Changchun 130021，　China

Received:2006-03-10 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
Contact: ZHANG Yuling

摘要/Abstract

摘要： 研究复合型微生物絮凝剂产生菌的生长曲线变化在不同时期的pH值、基质-葡萄糖、硫酸铵含量、絮凝活性、产量变化、细胞絮凝效果变化等. 结果表明, 在整个生长周期中，pH值基本不变；碳氮源变化显著，并存在相关性；进入稳定期后，60 h时，絮凝活性达到最大值97.35%，此后，絮凝活性数值下降，但不明显，絮凝剂产量最大值为3.02 g/L；细胞絮凝效果与细胞生长呈正相关性. 鉴定结果表明， 3种单菌分别为Brevibacterium mcbrellneri, Burkholderia glumae, Cryptococcus albidus var aerius.

关键词: 复合型微生物, 絮凝剂产生菌, 生长周期, 参数变化

Abstract: The changes in the content of both substrate glucose and ammonium sulfate, pH and flocculation activity and output of compound microbial flocculant in differ ent periods of growth cycle compound bioflocculant producingbacterium were studied. In the whole growth cycle, pH was stable, the change of carbon and nitro gen source was obvious, the content of nitrogen was consistent with the source of carbon; the maximum of flocculationactivity reached to 97.35% at 60 h point after steady period, then the numerical value of flocculation activity fell down, but not obvious. Flocculation activity had a wide region of largest value and the maximum output of flocculation (3.02 g/L) was in this region. The result of cell flocculation and growth of cell got positive pertinence. Appraisal result is: 3 bacteria are respectively Brevibacterium mcbrellneri, Burkholderia glumae and Cryptococcus albidus var aerius.　The experimental result offered a foundationto further investigations of contributing factor on flocculation and mechanism.　It provided gist in theory for culture in industrial application, too.

Key words: compound microbial, flocculation productbacterium, growth cycle, change of parameter

中图分类号:

X172

杜宝山,，张玉玲，张兰英，姚军. 复合型微生物絮凝剂产生菌生长周期中参数变化[J]. J4, 2007, 45(01): 138-142.

DU Baoshan,, ZHANG Yuling， ZHANG Lanying， YAO Jun. Parameter Change in Growth Cycle of Compound Bioflocculant Product Bacterium[J]. J4, 2007, 45(01): 138-142.

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