A STUDY OF NITRIFICATION UTILIZING WHOLE MICROORGANISMS IMMOBILIZED BY THE PVA-FREEZING METHOD

被引：37

作者：

ASANO, H ^{[1
]}

MYOGA, H ^{[1
]}

ASANO, M ^{[1
]}

TOYAO, M ^{[1
]}

机构：

[1] CHUBA ELECT POWER CO INC,CTR ELECT POWER R&D,MIDORI KU,NAGOYA 459,JAPAN

来源：

WATER SCIENCE AND TECHNOLOGY | 1992年 / 26卷 / 5-6期

关键词：

NITRIFICATION EFFICIENCY; IMMOBILIZED WHOLE MICROORGANISMS; PVA-FREEZING METHOD; OPERATION TEMPERATURE; STORAGE STABILITY; BIOLOGICAL NITROGEN REMOVAL;

D O I：

10.2166/wst.1992.0545

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The particular characteristics of nitrifying bacteria are that they have a reduced tendency to flocculate, a lower specific growth rate and a higher specific nitrification rate. Accordingly, we used whole microorganisms immobilized by the PVA-freezing method (in order to prevent microorganism wash-out) to investigate the characteristics and efficiency of their nitrification. The following results were obtained. 1) By comparsion with suspended microorganisms, the nitrification rate of immobilized microorganisms was not as affected by temperature and their storage stability was better. 2) The nitrification efficiency of a recycling operation in a biological nitrogen removal system was compared with that of a once-through operation, using immobilized microorganisms. The results showed that the ratio of allowable volumetric loading in the recycling operation was 60% of that in the once-through operation.

引用

页码：1037 / 1046

页数：10

共 6 条

[1] IMMOBILIZATION OF MICROORGANISMS WITH PVA HARDENED BY ITERATIVE FREEZING AND THAWING [J].

ARIGA, O ;

TAKAGI, H ;

NISHIZAWA, H ;

SANO, Y .

JOURNAL OF FERMENTATION TECHNOLOGY, 1987, 65 (06) :651-658

[2]

HASHIMOTO S, 1986, J JAPAN SWG WKS, V23, P16

[3] METHANE PRODUCTION FROM WASTEWATERS BY IMMOBILIZED METHANOGENIC BACTERIA [J].

KARUBE, I ;

KURIYAMA, S ;

MATSUNAGA, T ;

SUZUKI, S .

BIOTECHNOLOGY AND BIOENGINEERING, 1980, 22 (04) :847-857

[4] IMMOBILIZATION OF NITROSOMONAS-EUROPAEA CELLS WITH POLY-ELECTROLYTE COMPLEX [J].

KOKUFUTA, E ;

MATSUMOTO, W ;

NAKAMURA, I .

BIOTECHNOLOGY AND BIOENGINEERING, 1982, 24 (07) :1591-1603

[5] EFFECTS OF IMMOBILIZATION CONDITIONS ON THE NITRIFICATION TREATABILITY OF ENTRAPPED CELL REACTORS USING THE PVA FREEZING METHOD [J].

MYOGA, H ;

ASANO, H ;

NOMURA, Y ;

YOSHIDA, H .

WATER SCIENCE AND TECHNOLOGY, 1991, 23 (4-6) :1117-1124

[6] DENITRIFICATION OF WATER USING IMMOBILIZED PSEUDOMONAS-DENITRIFICANS CELLS [J].

NILSSON, I ;

OHLSON, S ;

HAGGSTROM, L ;

MOLIN, N ;

MOSBACH, K .

EUROPEAN JOURNAL OF APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 1980, 10 (04) :261-274

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