EFFECT OF INITIAL SUBSTRATE CONCENTRATION ON THE RATE OF NITRIFICATION IN A BATCH EXPERIMENT

被引：14

作者：

SHIEH, WK

LAMOTTA, EJ

机构：

[1] Department of Civil Engineering, University of Massachusetts, Amherst, Massachusetts

来源：

BIOTECHNOLOGY AND BIOENGINEERING | 1979年 / 21卷 / 02期

关键词：

D O I：

10.1002/bit.260210207

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The intrinsic rate of nitrification was observed in a batch reactor by eliminating external and internal diffusional resistances. The former were minimized by means of intense agitation, and the latter by mechanical rupture of the activated sludge flocs using high mixer rotational speeds. The optimum temperature and pH for the intrinsic nitrification rate were found to be 30–35°C and 8.0, respectively. Initial ammonium concentration was found to have a strong effect on the value of the kinetic parameters of the Michaelis–Menten rate expression at low ammonium levels. However, at high initial concentrations both parameters attained a constant maximum value that is independent of the initial substrate level. Copyright © 1979 John Wiley & Sons, Inc.

引用

页码：201 / 211

页数：11

共 9 条

[1]

BAILEY JE, 1977, BIOCH ENGINEERING FU

[2]

BAILLOD CR, 1970, J SAN ENG DIV P AM S, V96, P525

[3]

GAUDY JF, 1971, APPL MICROBIOL, V22, P1041

[4] METABOLIC REGULATION IN GLUCOSE-LIMITED CHEMOSTAT CULTURES OF ESCHERICHIA-COLI [J].