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  • EXAMPLES OF INTEGRATED USE OF THE ECDIN DATABANK AND DEVELOPMENT OF A MATHEMATICAL MODEL FOR BEHAVIOUR OF XENOBIOTIC COMPOUNDS IN AN ACTIVATED SLUDGE REACTOR

Abstract

The ECDIN databank installed at the JRC, Ispra has been accessed using the program language NATURAL. The interdisciplinary character of the ECDIN databank makes it possible to combine relevant information from different files of interest. Examples are given showing data retrieval from one as well as from more data files simultaneously. Transfer of these data to another computer system in this case to SAS via a TSO dataset is demonstrated. In this study a mathematical model has been developed for the behaviour of xenobiotic compounds (organic chemicals) in an activated sludge reactor. Only one reactor is taken into account at steady state conditions but the model may be extended to a series of reactors at dynamic conditions at a later stage and structure of the computer program is based on the socalled IAWPRC-model. The language used is SAS (based on PL1 statements). The mathematical model operates with two fractions of the active biomass being capable of degrading the primary- and secondary substate, respectively. Nine processes describe the behaviour of biomass and substrates. These include: biodegradation of substrate and decay of biomass, hydrolysis of primary substrate, sorptions and desorption of secondary substrate (xenobiotic compound, XE), stripping of XE), stripping of XE to atmosphere and uptake of oxygen in the reactor.

Additional information

Authors: JACOBSEN B N JRC-ISPRA, JRC-ISPRA
Bibliographic Reference: EUR 11129 EN (1987) MF, PP 58, BFR 150, BLOW-UP COPY, BFR 290, AVAILABILITY: EUROFFICE, LUXEMBOURG, BP 1003, GDL
Availability: Can be ordered online
Record Number: 1989126079000 / Last updated on: 1989-05-01
Category: PUBLICATION
Available languages: en