KINETIC-STUDY OF ANAEROBIC-DIGESTION OF BREWERY WASTE-WATER

被引：16

作者：

BORJA, R ^{[1
]}

MARTIN, A ^{[1
]}

DURAN, MM ^{[1
]}

LUQUE, M ^{[1
]}

ALONSO, V ^{[1
]}

机构：

[1] UNIV CORDOBA, FAC CIENCIAS, DEPT INGN QUIM, E-14004 CORDOBA, SPAIN

来源：

PROCESS BIOCHEMISTRY | 1994年 / 29卷 / 08期

关键词：

D O I：

10.1016/0032-9592(94)80041-3

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A study of the kinetics of the anaerobic digestion of brewery wastewater was carried out using a 1-litre, continuous-flow, completely-mixed, bioreactor operating at 35 degrees C and containing a saponite-immobilized biomass at a concentration of 6.2 g volatile suspended solids (VSS)/litre. The bioreactor worked satisfactorily in a range of hydraulic retention times from 1.2 to 10 days and eliminated more than 95% of the initial chemical oxygen demand (COD) in all instances. Guiot's kinetic model was used to determine the macroenergetic parameters of the system, and showed it to have a yield coefficient for the biomass (Y) of 0.080 g VSS/g COD and a specific rate of substrate uptake for cell maintenance (m) of 0.045 g COD/g VSS day. The experimental results showed the rate of substrate uptake (R(s);g COD/g VSS day), correlated with the concentration of biodegradable substrate (S-b;g COD/litre), through an equation of the Michaelis-Menten type.

引用

页码：645 / 650

页数：6

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